Raphael (Rafi) Blumenfeld





EDUCATION:

 


1989

PhD Theoretical Physics, Tel Aviv University


1986

MSc (with honors) Physics, Tel Aviv University

 

PROFESSIONAL EXPERIENCE:

 


2010-Present

Research Fellow, Inst. of Shock Physics, Imperial College London


2005-Present

Research Fellow, Earth Sciences and Engineering, Imperial College London


1998-Present

Long-Term Visiting Scientist, Cavendish laboratory, Cambridge University


1997-1998

Project Leader, Molecular Simulations Inc., Cambridge, UK


1996-1997

Research Scientist (with S. Orszag), Cambridge Hydrodynamics, Princeton, NJ, USA


1993-1996

Director's Fellow (with A. R. Bishop), Los Alamos National Laboratory, Los Alamos, NM, USA


1992-1993

Research Associate (with S. Torquato), Princeton University, NJ, USA


1989-1992

Research Associate (with R. C. Ball), Cavendish laboratory, Cambridge University


1987

Visiting Scientist (with B. B. Mandelbrot), IBM, Yorktown Heights, NY, USA

 

HONORS, AWARDS, GRANTS:

 


2011

Undergraduate Research Bursary Nuffield URB/39915: 1440 GBP


2010-2014

EPSRC EP/H051716/1: 271,432 GBP


2010

Visiting Grant, Tsukuba University: 772,000 Yen


2009-present

Teaching Associate and Life member, Gonville and Caius College, Cambridge, UK


2008-2011

Alan Howard Scholarship: 229,858 GBP


2008-2009

EOARD Grant 083046: 50,000 USD


2008

StatoilHydro Grant: 50,000 GBP


2007-present

Member of the Room, Gonville and Caius College, Cambridge, UK


2005-2008

EPSRC Grant GR/T28959/01: 293,952 GBP


1993-1996

Director's Fellowship, Los Alamos National Laboratory, Los Alamos, NM, USA


1990-1992

Leo Baeck Lodge Award


1985, 88, 89

Weiler Foundation Scholarship Awards


1989

Distinction Award, Tel Aviv University, Israel


1982-1988

Scholarship Awards, Tel Aviv University, Israel

 

 

ORGANIZATIONAL / PROFESSIONAL ACTIVITIES

 


2011

Session Chair, Complexity in the Oil Industry, Inst. of Physics, Natal, Brazil, 14-18 November


2008

Session Chair, Granular Gases: Beyond the Dilute Limit, Thurnau, Germany, 8-12 September


2008

Session Chair and Discussion Leader, Structure and Packing in Gordon Conference on Granular and Granular-Fluid Flow, Waterville, Maine, US, 22-26 July


2007

Session Chair, Reservoir Simulation in Universities Forum on Reservoir Description and Simulation (UFORDS), Scarborough, UK, 2-6 September


2007

Organizer and Chairman, Workshop on Fractures, Complexity in the Oil Industry, Natal, Brazil, 5-9 August


2007

Discussion leader, Slow dynamics of granular materials and modeling quasi-statics in Workshop on Jamming, Aspen Center for Physics, Aspen CO, USA, 20 June - 3 August


2007

Discussion leader, Stress transmission and isostaticity theory in Workshop on Jamming, Aspen Center for Physics, Aspen CO, USA, 20 June - 3 August


2004-2006

Organizer and Chairman, Working Group on Dimensional Reduction in many-variable systems within the EU COST action P10 Physics of Risk


2004

Program Committee, SPIE conference Fluctuation and Noise, FaN2004, Maspalomas, Gran Canaria, Spain, 25-28 May


2003

Chairman, Statics and Dynamics of Systems of Rigid Particles, Isaac Newton Institute, Cambridge, UK 10 December


2003

Organizing Committee, SPIE conference Fluctuation and Noise, FaN2003, Santa Fe, NM, USA, 1-4 June


1999-2001

Specialist Subject Reviewer, Quality Assurance Agency (QAA) for Higher Education, UK


2000

Organizing Committee Member, MESOMECHANICS2000, China


1995

Organizer and Chairman, Workshop on Fractal Analysis and Model ling of Materials, Los Alamos National Laboratory, Los Alamos, NM, USA


1994-1996

Organizer and Chairman, Working Group on Protein Dynamics, Centre for Nonlinear Studies, Los Alamos National Laboratory, USA

 

INVITED COLLOQUIUA

 


2011

Controlled force mediation in the cytoskeleton: A dream model awaiting experimental verification, Institut fur Experimentelle Physik, Universitat Ulm, Ulm, Germany


2010

Da Vinci Fluid - a minimal model for flow of dense granular materials, School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel


2010

From pore-scale structural characterization to macro-scale structure-property predictions, School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel


2010

Da Vinci Fluid model for flow of dense granular materials, Department of Environmental Sciences, ETH, Zurich, Switzerland


2010

Understanding stress transmission in dense granular materials, Engineering Dept, Tokyo University, Japan


2010

Lecture course: 1. Stress transmission in granular packs - why do conventional theories struggle? 2. Stress transmission in granular packs - isostaticity theory and beyond; 3. Entropic formalism for the statistics of granular packs; 4. Stresses and force chains in granular materials: misconceptions and new directions, Engineering Dept, Kyoto University, Japan


2009

Stress transmission and incipient yield flow in dense granular materials, Civil Engineering Dept, Sydney University, Australia


2009

Systematic derivation of structure-property relations in porous and cellular materials, Civil Engineering Dept, Sydney University, Australia


2008

Stresses in Granular Systems: A paradigm of Complexity, Mathematics Dept, Brunel University, UK


2008

Stresses in granular systems, ICP, Stuttgart University, Germany


2008

The Rich Dynamics of Process Zone Limited Fracture Propagation in Heterogeneous Materials, Earth Sciences and Engineering, Imperial College London, UK


2008

Stresses in granular systems and yield flow, DAMTP, Cambridge University, UK


2008

Applied Modelling and Computation Group (AMCG), Imperial College London, UK


2008

Department of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel


2008

School of Earth Sciences, Stanford University, Stanford CA, USA


2007

Physics Department, North Carolina State University, NC, USA


2007

Physics Department, Duke University, NC, USA


2006

Physics Department, Bar Ilan University, Tel Aviv, Israel


2006

Biology Department, Bar Ilan University, Tel Aviv, Israel


2006

Physics Department, University of Manchester, Manchester, UK


2006

Laboratoire de Physique Theorique, Ecole Normale Superieure, Paris, France


2004

Department of Applied Mathematics, Bristol University, UK


2004

Institute for Physics of Geological Processes, Oslo, Norway


2004

Cavendish Laboratory, Cambridge University, Cambridge, UK


2003

Cavendish Laboratory, Cambridge University, Cambridge, UK


2003

Isaac Newton Institute, Cambridge, UK


2002

Engineering Department, Kings College, London, UK



2001

Physics Department, Leeds University, Leeds, UK


2000

Max Planck Institute, Golm, Germany


1997

Max Planck Institute, Stuttgart, Germany


1996

Physics Department, Wake Forest University, NC, USA


1996

Physics Department, University of New Mexico Albuquerque, NM, USA


1995

Santa Fe Institute, NM, USA


1996

Physics Department, University of Texas El Paso, TX, USA


1996

Physics Department, New Mexico State University Las Cruces, NM, USA


1994

Physics Department, Emory University, Atlanta, GA, USA


1994

Physics Department, Arizona State University, AZ, USA


1993

Physics Department, Clarkson University, Potsdam, NY, USA


1992

Physics Department, Birmingham University, UK

 

INVITED PRESENTATIONS IN MEETINGS / CONFERENCES

 


2011

Workshop on Fluctuations and Response in Active Materials: From Driven Granular Systems to Swarming Bacteria - Lorentz Center, Leiden, The Netherlands 20-24 June


2011

Consortium meeting on Pore-Scale Modelling - Imperial College London, London, UK 11 January


2010

Gordon Conference on Flow and Transport in Permeable Media - Lewiston, ME, USA 11-16 July


2010

Gordon Conference on Granular and Granular-Fluid Flow - Waterville, ME, USA 20-25 June


2010

Mini-symposium on Fractured Reservoirs - Delft, Netherlands 10 June


2010

PERM Affiliates meeting on Petroleum Engineering and Rock Mechanics - Imperial College London, UK 7 June


2010

Workshop on Particulate Matter: Does Dimensionality Matter? - Dresden, Germany 30 May - 4 June


2010

Workshop on Granular Materials - Tsukuba, Japan 3-4 March


2009

IUTAM-ISIMM Symposium on Mathematical Modeling and Physical Instances of Granular Flows - Reggio Calabria, Italy, 14-18 September


2009

Workshop on Statistical Mechanics of Static Granular Media - Lorentz Centre, Leiden, The Nederlands, 6-10 July (Plenary Speaker)


2009

Petroleum Engineering and Rock Mechanics (PERM) Affiliates Meeting on Pore-scale modelling, London, UK, 22 June


2008

Workshop on Flow in Porous Media - I, Brasilia, Brazil, 18-24 Oct


2008

Workshop on Flow in Porous Media - II, Brasilia, Brazil, 18-24 Oct


2008

Conference on Granular Gases: Beyond the Dilute Limit, Thurnau, Germany, 7-12 Sept


2008

Petroleum Engineering and Rock Mechanics (PERM) Affiliates Meeting on Pore-scale modelling, London, UK, 16 June


2008

The BPI-Cavendish workshop, Cambridge, UK, 10 June


2008

IOP Meeting on Condensed Matter and Materials Physics 2008, London, UK, 26-28 March


2008

Air Force Office for Scientific Research and Air Force Research Lab Meeting on Particulate Mechanics in Extreme Environments, Eglin Florida, USA, 29-31 January


2007

Meeting of the Society for Natural Philosophy on The Interface Between Atomistic and Continuum Theories, Houston, TX, 26-28 October


2007

Universities Forum on Reservoir Description and Simulation (UFORDS) - I, Scarborough, UK, 2-6 September


2007

Universities Forum on Reservoir Description and Simulation (UFORDS) - II, Scarborough, UK, 2-6 September


2007

Conference on Complexity in the Oil Industry - I, Natal, Brazil, 5-9 August


2007

Conference on Complexity in the Oil Industry - II, Natal, Brazil, 5-9 August


2007

StatPhys Satellite meeting Statics and Dynamics of Granular Media and Colloidal Suspensions, Naples, Italy


2007

Petroleum Engineering and Rock mechanics (PERM) Affiliates Meeting, Imperial College London


2007

USAF Workshop Particulate Mechanics in Extreme Environments, University of Florida, FL, US, January 23-25


2006

20th Canberra International Physics Summer School Granular Matter, The Australian National University, Canberra, Australia, December


2005

Summer School Econophysics and complexity, Academy of Economics Studies, Bucharest, Romania


2004

Summer School Econophysics and complexity, Academy of Economics Studies, Bucharest, Romania


2004

IMA Workshop Modeling of Soft Matter, Institute for Mathematics and its Applications (IMA), Minneapolis, US


2004

IChemE meeting Behaviour of Structured Granular Materials Across Length Scales, Leeds, UK


2003

Program Meeting, Physics of Risk, Nyborg, Denmark


2003

Workshop Flow Regimes, Transitions and Segregation in Granular and Particle-laden Flows, Cambridge, UK



2001

International conference on geometry, nonlinearity, and integrability in condensed matter and soft condensed matter physics, Bansko, Bulgaria


1998

The Polymer Consortium Annual Meeting, Cambridge, UK


1997

77th Statistical Mechanics Conference, Rutgers University, USA


1997

Workshop on Nonlinear Phenomena in Transforming Solids, Penn State University, USA


1996

Workshop on Fracture, Friction and Deformation, Los Alamos national Laboratory, Los Alamos, NM, USA


1996

Workshop on Nonequilibrium Phase Transformations, Santa Fe, NM, USA


1995

FRACTALS 95, Marseilles, France


1996

MRS Fall Meeting, Boston, MA, USA


1994

Gordon conference on Fractals, San Miniato, Italy


1994

Nonlinear Evolution Equations and Dynamical Systems (NEEDS94), Los Alamos, NM, USA


1994

MRS General Meeting, Boston, MA, USA


1993

Fractals in Natural Sciences, Budapest, Hungary


1992

Forum in Compaction Forming Operations, Aston University, Birmingham, UK


1994

NATO ASI Summer school Propagation of Correlations in Constrained Systems - I, Institute d'Etudes Scientifiques de Cargese, Corsica, France


1994

NATO ASI Summer school Propagation of Correlations in Constrained Systems - II, Institute d'Etudes Scientifiques de Cargese, Corsica, France

 






 

STUDENTS

 

Years

Name and Dissertation or Research Title

Degree

Place of Employment

2011

Christopher Revell: 

"Shear flow of da Vinci Fluids"

MSc project


2011

Julian Ma: 

"Stress transmission in disc-like granular systems"

MSc project


2011

Harrison Steggles: 

"Dynamics of planar fractures in disordered media"

MSc project


2011

Yipei Guo: 

"Oscillatory shear flow of da Vinci Fluids"

MSc project


2011

William Handley: 

"Stress equations in isostatic and granular systems: hyperbolic or elliptic?"

Part III (Summer student)


2009

Simon Nathan: 

"Couette Flow of a da Vinci Fluid"

MSci project


2009

Harry R. Kennard: 

"The famous packing problem – ellipses"

MSci project


2010

Finn Grimwood: 

"Gravitational Flow of a DaVinci Fluid"

MSci project


2010

Joseph Jordan: 

"Computing entropy and ordering of granular materials: From description to prediction"

PhD


2010

Imbert Wang: 

"Coarse-graining the fabric tensor of the Isostaticity stress field equations"

Part II (Summer student)


2010

Zilvinas Rimas: 

"Characterisation of force chain networks"

Part II (Summer student)


2010

Chris Revell: 

"Characterisation of packing of ellipses"

Part II (Summer student)


2009

Rebecca Hihinashvili: 

"Morphological characterization of porous electrodes and membranes for fuel cells"

PhD


2009

Lauri Toikka: 

"The famous particle packing problem"

MSci project


2008

Anna Timoshina: 

"Statistics of force chain networks in granular systems - skeletonization"

MSci project


2008

Joe Jordan: 

"Statistics of force chain networks in granular systems"

MSci project


2008

Hannah Davies: 

"Shaken not Stirred: conductivity of shaken graphite particles" (with W. Proud)

MSci project


2008

Phil Tooke: 

"Structural analysis of deposited particles in two dimensions"

MSci project


2007

Michael Peyton-Jones: 

"Quantitative analysis of contact forces in a two-dimensional poly-distributed particle bed using photoelastic methods" (with W. Proud)

Summer student


2007

Ian Hewett: 

"A study of gas permeation through granular beds" (with W. Proud)

MSci project


2007

Arutchelvi Harichandran: 

"Distribution of heights on top of a granular pack"

MSc project


1994-5

Rudolph Held: 

"Characterization of, and flow in, porous media"

MSc summer student

HydroStatoil, Trondheim, Norway

1995

Yi Jiang: 

1. "Growth of planar Laplacian surfaces"

2. "Parameter flow in coarse-graining of disordered systems"

PhD Summer student

Los Alamos National Laboratory, Los Alamos, NM, USA

 

 

PUBLICATIONS:

2012

R. Hihinashvili and R. Blumenfeld, Structural-entropic characteristics of dense planar granular systems, Granular Matter, to appear

2011

R. Blumenfeld and Sam F. Edwards, Theory of strains in auxetic materials, Festschrift for Prof. J. Friedel's 90th birthday; arXiv:1111.xxxx

2011

R. Blumenfeld, G. F. Grimwood, M. Schwartz, and Sam F. Edwards, Da Vinci Fluid as a model for dense granular flow, Granular Matter, submitted

2011

M. Schwartz and R. Blumenfeld, Plug flow formation and growth in da Vinci Fluids, Granular Matter 13, 241-245 (2011)

2010

R. Blumenfeld, Sam F. Edwards and M. Schwartz, Da Vinci Fluids, catch-up dynamics and dense granular flow, European J. Phys. E 32, 333-338 (2010)

2009

G. Frenkel, R. Blumenfeld, P. King, M. Blunt, Topological Analysis of Foams and Tetrahedral Structures, Adv. Eng. Mat. 11, 169-176 (2009)

2009

R. Blumenfeld and S. F. Edwards, On granular stress statistics: compactivity, angoricity and some open issues, J. Phys. Chem. B 113, 3981-3987 (2009)

2008

M. Gerritsen, G. Kreiss, R. Blumenfeld, Stress chain solutions in two-dimensional isostatic granular systems: fabric-dependent paths, leakage and branching, Phys. Rev. Lett. 101, 098001 (2008)

2008

M. Gerritsen, G. Kreiss, R. Blumenfeld, Analysis of stresses in two-dimensional isostatic granular systems, Physica A 387, 6263-6276 (2008)

2008

G. Frenkel, R. Blumenfeld, Z. Grof, P. R. King, The structure and statistics of 2D granular systems, Phys. Rev. E. 77, 041304 (2008)

2007*

G. Frenkel, R. Blumenfeld, P. R. King and M. Blunt, Topological Analysis of Foams and Tetrahedral Structures, in Proceedings of MetFoam 2007 - Conference on Porous Metals and Metallic Foams, Montreal, Canada

2007*

R. Blumenfeld, On entropic characterization of granular materials, in Lecture Notes in Complex Systems Vol. 8: Granular and Complex Materials, pp 43-53, eds. T. Aste, A. Tordesillas and T. D. Matteo (World Scientific 2007), Singapore)

2007*

S. F. Edwards and R. Blumenfeld, Thermodynamics of granular materials, in Physics of Granular Materials, ed. A. Mehta (Cambridge University Press, Cambridge 2007)

2007

R. Blumenfeld and S. F. Edwards, Blumenfeld and Edwards Reply to Comment on "Granular Entropy: Explicit Calculations for Planar Assemblies", Phys. Rev. Lett. 99, 089402 (2007)

2007

R. Blumenfeld, Stresses in two-dimensional isostatic granular systems: Exact solutions, New Journal of Physics 9, 160 (2007)

2006

R. Blumenfeld, Isostaticity and action at a distance in the cytoskeleton - A model awaiting experimental evidence, Biophysical Journal 91, 1970 (2006)

2006

R. Blumenfeld and S. F. Edwards, Geometric partition functions of cellular systems: Explicit calculation of the entropy in two and three dimensions, EuroPhys. J. E 19, 23 (2006)

2006

R. Blumenfeld, Auxetic strains - insight from iso-auxetic materials, Molecular Simulations 31, 867 (2005)

2006*

R. Blumenfeld and P. King, Entropy-mediated structure-permeability relations in skeletal porous materials, in Proceedings of CMWR XVI 2006 - Computational Methods in Water Resources XVI International Conference, Copenhagen, Denmark

2005

R. Blumenfeld, S. F. Edwards and R. C. Ball, Granular matter and the marginal rigidity state, J. Phys.: Cond. Mat. 17, S2481 (2005)

2005*

R. Blumenfeld, Stress transmission and isostatic states of non-rigid particulate systems, IMA Volumes in Mathematics and its Applications, Vol. 141: Modeling of Soft Matter, eds. M-.C.T. Calderer and E. M. Terentjev, (Springer-Verlag, New York 2005)

2004

R. Blumenfeld, Stresses in isostatic granular systems and emergence of force chains, Phys. Rev. Lett. 93, 118301 (2004)

2004

R. Blumenfeld, Stress in planar cellular solids: Coarse-graining the constitutive equation, Physica A 336, 361 (2004)

2003

R. C. Ball and R. Blumenfeld, From Plasticity to a renormalisation group, Phil. Trans. R. Soc. Lond. 360 , 731 (2003)

2003

R. Blumenfeld and S. F. Edwards, Granular entropy: Explicit calculations for planar assemblies, Phys.Rev. Lett. 90, 114303 (2003)

2003

R. Blumenfeld, Stress transmission in planar disordered solid foams, J. Phys. A: Math. Gen. 36, 2399-2411 (2003)

2002

R. C. Ball and R. Blumenfeld, The stress field in granular systems: Loop forces and potential formulation, Phys. Rev. Lett. 88, 115505 (2002)

2002

R. Blumenfeld, Dynamics of twists on antiferromagnetic spin chains: Theory, Eur. Phys. J. B 29, 261 (2002)

2001

R. Blumenfeld, Strange dynamics of domain walls and periodic stripes on antiferromagnetic chains, cond-mat/0108470 (2001)

2000

R. Blumenfeld and R. Balakrishnan, Exact multi-twist solutions for the Belavin-Polyakov equation and application to magnetic systems, J. Phys. A 33, 2459 (2000)

2000

R. Blumenfeld, Pulling a chain's leg: The pullout dynamics of entangled chains, Macromolecules 32, 1082 (2000)

1999

R. Blumenfeld, Hierarchical structure of domain walls in magnetic layers, Phase Transitions 69, 237 (1999)

1998

R. Blumenfeld, Dynamics of fracture propagation in the mesoscale: Theory, Theor. And Appl. Frac. Mech. 30, 209 (1998)

1998*

R. Blumenfeld, Dynamics of fracture propagation in the mesoscale: Theory, in Proceedings of MESOMECHANICS98, Tel Aviv, Israel (2008)

1997

R. Balakrishnan and R. Blumenfeld, On the twist excitations in a classical anisotropic antiferromagnetic chain, Phys. Lett. A 237, 69 (1997)

1997

A.E. Garcia, R. Blumenfeld, G. Hummer and J. A. Krumhansl, Multi-Basin Dynamics of a Protein in a Crystal Environment, Physica D 107, 225, (1997)

1997

R. Balakrishnan and R. Blumenfeld, Transformation of general curve evolution to a modified Belavin-Polyakov equation, J. Math. Phys. 38, 5878 (1997)

1997

R. Blumenfeld and Benoit B. Mandelbrot, Mass fractal lacunarity, L\'evy dusts, Mittag-Leffler statistics, and perceived dimension, Phys. Rev. E 56, 112 (1997)

1997

R. Blumenfeld, Planar curve representation of many-body systems and dynamics, Phys. Rev. Lett. 78, 1203 (1997)

1997

B. L. Holian, R. Blumenfeld and P. Gumbsch, An Einstein model of brittle crack propagation, Phys. Rev. Lett. 78, 78 (1997)

1996

R. Blumenfeld and D. J. Bergman, Strongly nonlinear composite dielectrics: a method for exact solution for the potential field and effective bulk properties - Addition, Phys. Rev. B 54, 9555 (1996)

1996

R. Blumenfeld, Nonequilibrium brittle fracture propagation: Steady state, oscillations and intermittency, Phys. Rev. Lett. 76, 3703 (1996)

1996*

A. E. Garcia, R. Blumenfeld, G. Hummer and J. Sobehart, Diffusion of a protein in configuration space, in Proceedings of The 9th Conversation in Biomolecular Stereodynamics, Eds. R.H. Sarma and M.H. Sarma (Adenine Press, Schenectady, NY 1996)

1996*

S. Zhou, R. Blumenfeld, B. Holian and P. S. Lomdahl, Study of fiber composite failure criterion, in MRS Proceedings V409 Fracture-instability dynamics, scaling, and ductile/brittle behavior, Eds. R. L. Blumberg Selinger et al., (1996)

1995

R. Blumenfeld, Pattern formation in Laplacian growth: Theory, Center for Nonlinear Studies Newsletter 112, April (1995)

1995

R. Blumenfeld and R. C. Ball, Two dimensional Laplacian growth as a system of creating and annihilating particles, Phys. Rev. E, Phys. Rev. E 51, 3434 (1995)

1995*

R. Blumenfeld and Robin C. Ball, Characterization of fractal and hierarchical morphologies beyond the fractal dimension, in Proceedings of the MRS General Meeting, Boston, MA, USA (1995)

1995*

R. Blumenfeld, A theory for the morphology of Laplacian growths from statistics of equivalent many-body systems, in Fractal Reviews in the Natural and Applied Sciences, Ed. M. M. Novak (Chapman-Hill, 1995)

1995*

R. Blumenfeld, A morphological theory for Laplacian nonlinear growth processes via statistics of equivalent many-body systems, in Nonlinear Evolution Equations and Dynamical Systems (NEEDS94), Eds. V.G. Makhankov, A.R. Bishop, and D.D. Holm (World Scientific, 1995)

1995*

R. Blumenfeld, Towards a theory of growing surfaces: Mapping Laplacian growth onto Hamiltonian dynamics and statistics, in Fluctuations and Order: The New Synthesis, Ed. M. M. Millonas (Springer-Verlag, 1995)

1994

R. Blumenfeld, Formulating a first-principles statistical theory of growing surfaces in two-dimensional Laplacian fields, Phys. Rev. E 50, 2952 (1994)

1994

V. Milman, N. A. Stelmashenko and R. Blumenfeld, Fracture surfaces: A critical review and a morphological analysis of scanning tunneling microscopy measurements, Prog. Mater. Sci. 38, 425-474 (1994)

1994

R. Blumenfeld, Two dimensional Laplacian growth can be mapped onto Hamiltonian dynamics, Phys. Lett. A 186, 317-322 (1994)

1994*

R. Blumenfeld, A theory for growing interfaces in Laplacian fields: a many-body formulation and statistical analysis, in Proceedings of the MRS General Meeting, Boston, MA, USA (1994)

1993

R. Blumenfeld and R. C. Ball, Quantifying morphology of scale-invariant structures beyond the fractal dimension, Fractals 1, 985-991 (1993)

1993

R. Blumenfeld and S. Torquato, A coarse-graining procedure to generate and analyze heterogeneous materials: Theory, Phys. Rev. E 48, 4492-4500 (1993)

1993

V. Milman, R. Blumenfeld, N. A. Stelmashenko and R. C. Ball, Experimental measurements of the roughness of brittle cracks, Phys. Rev. Lett. 71, 204 (1993)

1993

R. Blumenfeld, Explicitly exact solutions for waves in a family of nonlinear media, Physica D 66, 7-13 (1993)

1993

R. Blumenfeld and R. C. Ball, A probe for morphology and hierarchical correlations in scale invariant structures, Phys. Rev. E 47, 2298-2302 (1993)

1993

J. Adler, A. Aharony, R. Blumenfeld, A. B. Harris and Y. Meir, The distribution of the logarithms of currents in percolating resistor networks, II. Series expansion, Phys. Rev. B 47, 5770-5782 (1993)

1993

A. Aharony, R. Blumenfeld and A. B. Harris, The distribution of the logarithms of currents in percolating resistor networks, I. Theory, Phys. Rev. B 47, 5756-5769 (1993)

1993

C. Bowen, D. L. Hunter, R. Blumenfeld and N. Jan, Magnetism and high Tc superconductors, J. Physique I France 3, 83-92 (1993)

1992

R. C. Ball and R. Blumenfeld, Universal scaling of the stress field at the vicinity of a wedge crack in two dimensions and oscillatory self-similar corrections to scaling, Phys. Rev. Lett. 68, 2254 (1992)

1992

E. Duering, R. Blumenfeld, D. J. Bergman, A. Aharony and M. Murat, Current distributions in a two-dimensional random-resistor-network, J. Stat. Phys. 67, 113-121 (1992)

1992

R. Blumenfeld, An exact solution for electromagnetic waves in strongly nonlinear media, J. Phys. A: Math. Gen. 25, L275-L282 (1992)

1991

R. Blumenfeld and R. C. Ball, Onset of scaling behaviour in 2D slow cracking, Modern Phys. Lett. B 5, 1567-1573 (1991)

1991

R. Blumenfeld and D. J. Bergman, Strongly nonlinear composite dielectrics: a method for exact solution for the potential field and effective bulk properties, Phys. Rev. B 44, 7378-7386 (1991)

1991

R. Blumenfeld and R. C. Ball, Onset of scale-invariant pattern in growth processes: The cracking problem, Physica A 177, 407-415 (1991)

1991

R. C. Ball, P. W. H. Barker and R. Blumenfeld, Sidebranch selection in fractal growth, EuroPhys. Lett. 16, 47-52 (1991)

1991

R. Blumenfeld, The functional form of the $T_c(x)$ line in the phase diagram of high temperature superconductors, Physica C 178, 119-124 (1991)

1991

R. C. Ball and R. Blumenfeld, Exact results on exponential screening in two-dimensional diffusion limited aggregation, Phys. Rev. A 44, R828-R831 (1991)

1991

R. Blumenfeld and D. J. Bergman, Nonlinear susceptibilities of granular matter, Phys. Rev. B 43, 13682-13683 (1991)

1991

R. Blumenfeld, Geometrical correlations and the origin of x values at the maximum and intersects of $T_c(x)$ in $La_{2-x}Sr_xCuO_4$, J. de Physique 1, 159-166 (1991)

1991

R. Blumenfeld, Phase coherence oscillation of holes in $La_{2-x}Sr_xCuO_4$, dynamics of single holes in the $CuO$ plane and the typical pairing time, Physica A 168, 705-713 (1990); (Erratum) Physica {\bf A 180}, 462 (1991)

1990

G. Corsten, C. Liem, R. Blumenfeld and N. Jan, Pairing of holes via vortex/antivortex attraction in doped $La_{2-x}Sr_xCuO_4$, J. de Physique 51, 2229-2233 (1990)

1990

R. Blumenfeld and A. Aharony, Reply to Comment on "Breakdown of multifractal behaviour in diffusion limited aggregates", Phys. Rev. Lett. 64, 1843 (1990)

1990

R. C. Ball and R. Blumenfeld, Universal scaling of the stress field at the vicinity of a wedge crack in two dimensions and oscillatory self-similar corrections to scaling, Phys. Rev. Lett. 6, 1784-1787 (1990)

1990

R. Blumenfeld, Novel flux solutions in nonlinear continuum systems with negative dynamic resistance, Physica A 168, 697-704 (1990)

1990*

R. Blumenfeld, Novel flux solutions in nonlinear conducting continuum systems with negative dynamic resistance, in Proceedings of the EPS-8 meeting Trends in Physics, Ed. F. Pleiter (1990)

1990*

R. Blumenfeld, N. Jan, G. Corsten and C. Liem, Evidence for vortex/antivortex mediated pairing of holes in doped $La_{2-x}Sr_xCuO_4$ and a possible mechanism for the holes movement, in Proceedings of the EPS-8 meeting Trends in Physics, Ed. F. Pleiter (1990)

1990*

R. C. Ball and R. Blumenfeld, Universal scaling of the stress field generated by a two dimensional wedge crack and periodic self-similar corrections to scaling, in Proceedings of the EPS-8 meeting Trends in Physics, Ed. F. Pleiter (1990)

1990*

G. Corsten, C. Liem, R. Blumenfeld, N. Jan and C. Bowen, Vortex-antivortex pairing of holes in frustrated XY spin systems, in Correlations and connectivity, Eds. H. E. Stanley and N. Ostrowsky (Kluwer Academic Publishers, Dordrecht, 1990)

1990*

R. Blumenfeld and R. C. Ball, Universally correlated scale-invariant sidebranching in propagation of a two-dimensional cracking growth, in Correlations and connectivity, Eds. H. E. Stanley and N. Ostrowsky (Kluwer Academic Publishers, Dordrecht, 1990)

1989

O. Entin-Wohlman, U. Sivan, R. Blumenfeld and Y. Meir, Dynamic structure factor of fractals, Physica D 38, 93-97 (1989)

1989

R. Blumenfeld and D. J. Bergman, Exact calculation to second order of the effective dielectric constant of a strongly nonlinear composite, Phys. Rev. B 40, (Rapid Comm.) 1987-1989 (1989)

1989

R. Blumenfeld, Universality and superuniversality of multifractals in nonlinear networks, J. Stat. Phys. 56, 233-241 (1989)

1989

R. Blumenfeld and A. Aharony, Breakdown of multifractal behaviour in diffusion limited aggregates, Phys. Rev. Lett. 62, 2977-2980 (1989)

1989

R. Blumenfeld and D. J. Bergman, Nonlinear dielectrics: electrostatics of random media and propagation of waves in a homogeneous slab, Physica A 157, 428-436 (1989)

1989

A. Aharony, R. Blumenfeld, P. Breton, B. Fourcade, A. B. Harris, Y. Meir and A. -M. S. Tremblay, Negative moments of currents in percolating resistor networks, Phys. Rev. 40, (Brief Report) 7318 (1989)

1988

U. Sivan, R. Blumenfeld, Y. Meir and O. Entin-Wohlman, Dynamic structure factor of a deterministic fractal, Europhys. Lett. 7, 249-253 (1988)

1988

R. Blumenfeld, Probability densities of homogeneous functions: Explicit approximation and applications to percolating networks, J. Phys. A: Math. Gen. 21, 815-825 (1988)

1987

Y. Meir, R. Blumenfeld, A. B. Harris and A. Aharony, Series analysis of randomly diluted nonlinear networks with negative nonlinearity exponent, Phys. Rev. B 36, 3950-3952 (1987)

1987

R. Blumenfeld and D. J. Bergman, Fluid flow in a random porous medium: A network model and effective medium approximation, J. Appl. Phys. 62, 1616-1621 (1987)

1987

R. Blumenfeld, Y. Meir, A. Aharony and A. B. Harris, Resistance fluctuations in randomly diluted networks, Phys. Rev. B 35, 3524-3535 (1987)

1986

Y. Meir, R. Blumenfeld, A. Aharony and A. B. Harris, Series analysis of randomly diluted nonlinear resistor networks, Phys. Rev. B 34, 3424-3428 (1986)

1986

R. Blumenfeld, Y. Meir, A. B. Harris and A. Aharony, Infinite set of exponents describing physics on fractal networks, J. Phys. A: Math. Gen. 19, L791-L796 (1986)

1989

1985

R. Blumenfeld and A. Aharony, Nonlinear resistor fractal networks, topological distances, singly connected bonds and fluctuations, J. Phys. A: Math. Gen. 18, L443-L448 (1985)

1985*

R. Blumenfeld and A. Aharony, Nonlinear resistor fractal networks, topological distances, singly connected bonds and fluctuations, J. Phys. A: Math. Gen. 18, L443-L448 (1985)

1985*

R. Blumenfeld and A. Aharony, Nolinear resistor fractal networks, in Scaling phenomena in disordered systems, Eds. R. Pynn and A Skjeltorp (Plenum, 1985)

 

*

papers in proceedings or a book chapter