|
|
Gyan Bhanot
- Current Position:
- Research Staff Member
IBM research, T.J. Watson Research Center
Visiting Scientist
Dept. of Molecular Biology, Princeton University
- Contact Information:
- (914) 945-2162 (phone)
(914) 945-4506 (fax), (609)-497-0241 (home)
e-mail: gyan@us.ibm.com, gyan@watson.ibm.com
- Education:
- Ph. D. Cornell University, 1979 (Theoretical Physics)
M. A. SUNY at Stonybrook, 1975
M. Sc. Indian Institute of Technology, Bombay 1974
B.Sc. M. S. University of Baroda, India, 1972
- Research Interests:
- Modeling, Simulations, Optimization,
Computational Finance, Parallel Algorithms,
Code Optimization/Parallelization
- Work Experience:
- Research Staff Member: IBM Research, 08-1994 to present
Senior Scientist: Thinking Machines Corporation,1989-1994
Member: Institute for Advanced Study, Princeton, 1989-95
Associate Professor: Florida State University, 1985-1989.
- Post Doctoral:
- ITP, University of California at Santa Barbara, 1984-1985.
CERN, Theory Division, Switzerland, 1982-1983.
Institute for Advanced Study, Princeton 1981-84.
Brookhaven National Lab, 1979--1981.
-
- List of Publications:
0. G. Bhanot: Ph.D. Thesis: `Gluons around Quarkonium', Cornell University,
1979-80. Thesis Advisor- Professor Kurt Gottfried.
1. G. Bhanot and S. Rudaz, `A New Potential for Quarkonium', Phys. Lett.
78B, 119 (1978).
2. G. Bhanot, W. Fischler and S. Rudaz, `A Multipole Expansion and the
Casimir-Polder Effect in Quantum Chromodynamics', Nucl. Phys. B155,
208 (1979).
3. G. Bhanot and M. Peskin, `Short Distance Analysis for Heavy Quark
Systems II', Nucl. Phys. B156, 391 (1979).
4. G. Bhanot `What can we Expect from the Upsilon?', Cornell University
preprint CLNS 421, (1979).
5. G. Bhanot and M. Creutz, `The Phase Diagram of Z(N) and U(1) Gauge
Theories in Three Dimensions', Phys. Rev. D21, 2892 (1980).
6. G. Bhanot and M. Creutz, `Ising Gauge Theory at Negative Temperatures
and Spin Glasses', Phys. Rev. B22, 3370 (1980).
7. G. Bhanot `High Temperature Expansion along the self dual line of
Three Dimensional Z(2) Spin Gauge Theory', Phys. Rev. D23, 1811 (1981).
8. G. Bhanot `The Mass of the Glueball', Phys. Lett. 101B, 95 (1981).
9. G. Bhanot and G. Aeppli, `Ising Spin-Gauge Theory at Upper
Marginal Dimensionality and Spin Glasses', J. Phys. C14, L593 (1981).
10. G. Bhanot `The Nature of the Phase Transition in Compact QED', Phys.
Rev. D24, 461 (1981).
11. G. Bhanot and B. Freedman, `Finite Size Scaling for the Abelian-Higgs
Model', Nucl. Phys. B190 [FS3], 357 (1981).
12. G. Bhanot and C. Rebbi, `SU(2) String Tension, Glueball Mass and
Interquark Potential by Monte-Carlo Computations', Nucl. Phys. B180
[FS2], 469 (1981).
13. G. Bhanot and C. Rebbi, `Monte-Carlo Simulations of Lattice
Models with Finite Subgroups of SU(3) as Gauge Groups', Phys. Rev. D24,
3319 (1981).
14. G. Bhanot and M. Creutz, `Variant Action and Phase Structure
in Lattice Gauge Theory', Phys. Rev. D24, 3212 (1981).
15. G. Bhanot `SU(3) Lattice Gauge Theory in 4-dimensions with a Modified
Wilson Action', Phys. Lett. 108B, 337 (1982).
16. G. Bhanot C. Lang and C. Rebbi, `A Fast Algorithm for Monte-Carlo
Simulations of 4-d Lattice Gauge Theories with Finite Groups', Comp. Phys.
Comm. 25, 275 (1982).
17. G. Bhanot `Compact QED with an Extended Lattice Action', Nucl. Phys.
B205 [FS5], 168 (1982).
18. G. Bhanot, U. Heller and H. Neuberger, `The Quenched Eguchi-Kawai Model',
Phys. Lett. 113B, 47 (1982).
19. G. Bhanot and R. Dashen, `Do Numbers Extracted near Crossovers
Represent Continuum Physics?', Phys. Lett. 113B, 299 (1982).
20. G. Bhanot, U. Heller and H. Neuberger, `A Phase Transition in the
Quenched Eguchi-Kawai Model', Phys. Lett. 115B, 237 (1982).
21. G. Bhanot `U(1) Lattice Gauge Theory in Five Dimensions', Phys. Lett.
117B, 431 (1982).
22. G. Bhanot and D. Foerster, `Is there a Continuum Limit in Four
Dimensional Z(2) Gauge Theory? ', Phys. Lett. 118B, 395 (1982).
23. G. Bhanot `Does the Quenched, Reduced U = infinity Chiral model
Break Spontaneously in Weak Coupling?', Phys. Lett. 120B, 371 (1983).
24. G. Bhanot `Second Order Transitions in Z(2) Gauge Theory in
4-dimensions', Phys. Lett. 121B, 401 (1983).
25. G. Bhanot and K. J. M. Moriarty, `High Statistics Study
of the Reduced, Quenched Large N Gauge Theory in 4-dimensions', Phys. Lett.
122B, 271 (1983).
26. G. Bhanot `Quenched Reduced Large N Models', CERN preprint TH-3496,
Invited paper presented at the Workshop on non-perturbative field
theory and QCD, ICTP, Trieste (1982).
27. G. Bhanot `Lattice Gauge Theory, the Monte-Carlo Approach', CERN
preprint TH-3507, Proceedings of the VI High Energy
Physics Symposium, Mysore, India (1982).
28. G. Bhanot J.-M. Drouffe, A. Schiller and I. O. Stamatescu, `A
Study of Actions with Next-to-nearest Neighbor Interactions
in Four-dimensional Z(2) Gauge Theory', Phys. Lett. 125B, 67 (1983).
29. G. Bhanot, U. Heller and I. O. Stamatescu, `A New Method for
Fermion Monte-Carlo', Phys. Lett. 129B, 440 (1983).
30. G. Bhanot, E. Rabinovici, N. Seiberg and P. Woit, `Lattice
Theta Vacua', Nucl. Phys. B230 [FS10], 291 (1984).
31. G. Bhanot `Theta Parameter Monte-Carlo', Proceedings of
the 7th John's Hopkins Workshop on Current Problems in High Energy
Physics, Bonn, (1983).
32. G. Bhanot `Lattices, Demons and the Microcanonical Ensemble',
In Progress in Gauge Field Theory, proceedings of the 1983
Cargese summer school. eds. G 't Hooft et al, NATO ASI Series,
(Plenum, 1984). Also presented at the Workshop on Lattice Gauge Theory,
Visegrad, Hungary, September, 1983.
33. G. Bhanot, M. Creutz and H. Neuberger, `Microcanonical Simulation of
Ising Systems', Nucl. Phys. B235, 417 (1984).
34. G. Bhanot and N. Seiberg, `Topology and Universality in Four
Dimensions', Phys. Rev. D29, 2420 (1984).
35. G. Bhanot `Numerical Simulations - Canonical and Microcanonical',
Proceedings of the Winter School of Physics, Mahabaleshwar, India (1983).
36. G. Bhanot `A Review of Numerical Simulation Methods', In Progress
in Particle and Nuclear Physics, ed. A. Faessler (Pergamon, 1984).
37. G. Bhanot, R. Dashen, H. Levine and N. Seiberg, `Scaling and
Theta Dependence in the O(3) Sigma Model', Phys. Rev. Letts.
53 519 (1984).
38. G. Bhanot `Topology in the O(3) Sigma Model in Two
Dimensions', in Proceedings of the Workshop on Lattice Gauge Theory,
Argonne National Lab. (1984).
39. G. Bhanot and F. David, `The Phases of the O(3)
Sigma Model at Imaginary Theta', Nucl. Phys. B251 [FS13], 127
(1985).
40. G. Bhanot, H. Neuberger and J. Shapiro, `Simulation of a Critical
Ising Fractal', Phys. Rev. Lett. 53, 2277 (1984).
41. G. Bhanot `How to Track Renormalization Group Flows in Parameter
Space', Phys. Lett. 154B, 63 (1985).
42. G. Bhanot and A. D. Kennedy, `Bosonic Lattice Gauge Theory with Noise',
Phys. Lett. 157B, 70 (1985).
43. G. Bhanot `Critical Properties of Ising Models on Fractals of
Dimension 1<d<4', In Advances in Lattice Gauge Theory, Proceedings of
a workshop at the Florida State University, eds. D. Duke and J. .F. Owens,
(World Scientific, 1985).
44. G. Bhanot, D. Duke and R. Salvador, `Fractals and Interpolating
Dimensions', Phys. Letts. 165B, 355 (1985).
45. G. Bhanot and R. Salvador, `Ising Gauge Theory in 3.9999...
Dimensions', Phys. Lett. 167B, 343 (1986).
46. G. Bhanot, D. Duke and R. Salvador, `Finite Size Scaling in
the 3-d Ising Model', Phys. Rev. B33, 7841 (1986).
47. G. Bhanot, D. Duke and R. Salvador, `A Fast Algorithm for
the CDC Cyber 205 to Simulate the 3-d Ising Model', J. of Stat. Phys. 44,
1005 (1986).
48. G. Bhanot, A. Hasenfratz and M. Horanyi, Diffusion Limited Aggregation
at Constant Asymptotic Density, FSU-SCRI-86-47, June, 1986.
49. G. Bhanot, S. Black, P. Carter and R. Salvador, `A New Method for the
Partition Function of Discrete Systems With Application to the 3-d Ising
Model', Phys. Lett. B183, 331 (1987).
50. G. Bhanot `Finite Density Aggregation', FSU-SCRI-86-72, Nov.
1986, Invited lecture given at the Proceedings of the Workshop on Lattice
Gauge Theory, Brookhaven National Laboratory, 14-19 September, 1986.
51. G. Bhanot, K. Bitar, S. Black, P. Carter, R. Salvador, `The
Partition Function of Z(2) and Z(8) Lattice Gauge Theory in Four
Dimensions: A Novel Approach to Simulations of Lattice Systems', Phys. Lett.
B187 , 381 (1987).
52. G. Bhanot, K. Bitar, R. Salvador, `On Solving 4-Dimensional
SU(2) Gauge Theory by Numerically Finding its Partition Function',
Phys. Lett. B188, 246 (1987).
53. G. Bhanot, S. Black, P. Carter, R. Salvador and R. Toral, `An
Accurate Estimate of nu for the Three Dimensional
Ising Model from a Numerical Measurement of its Partition Function',
Phys. Rev. Letts. 59, 803 (1987).
54. G. Bhanot `The Metropolis Algorithm', Rep. Prog. Phys. 51,
429 (1988).
55. G. Bhanot, A. Gocksch and P. Rossi, `On Simulating Complex Actions',
Phys. Lett. B199, 101 (1987).
56. G. Bhanot D. Duke, R. Salvador, K. J. M. Moriarty, `A Fast
Vectorized Program for the CYBER 205 to Simulate the Ising Spin Glass in
Three Dimensions', Comp. Phys. Comm. 49, 465 (1988).
57. G. Bhanot, F. Fucito, S. Solomon, `SU(3) Topological Charge on
The Lattice', Phys. Lett. B194, 114 (1987).
58. G. Bhanot, P. Carter, `Computing Partition Functions',
Proceedings of the 3rd UC Conference on Statistical Mechanics,
University of California at Davis, March, 1988 (ed. C. Garrod).
59. G. Bhanot, K. Bitar, `Regularization Dependence of the Lattice Higgs
Mass Bound', Phys. Rev. Letts. 61, 798 (1988).
ERRATUM-ibid.61:2900,1988.
60. G. Bhanot, K. Bitar, `Lattice Higgs Mass Bounds and Different Cutoff
Schemes'. Proceedings of the `Lattice Higgs Workshop', Tallahassee, FL
16-18 May, 1988. ed. Berg, Bhanot, Burbank, Creutz and Owens, World
Scientific (1988).
61. G. Bhanot, R. Salvador and K. J. M. Moriarty, `Evidence Against a
Spin Glass Transition in Three Dimensions?', Phys. Rev. B39, 356 (1989).
62. G. Bhanot `How Reliable Are The Lattice Higgs Mass Bounds?',
in `Lattice 88', Nucl. Phys. B9 (Proc. Suppl.), 18 (1989).
63. S. Adler and G. Bhanot `Study of an Overrelaxed Method for Gauge
Theories', Phys. Rev. Letts. 62, 121 (1989).
64. G. Bhanot, V. Sheorey, J. Parikh and A. Pandey, `A New Signature for
Quantum Chaos', Int. J. of Mod. Phys. C 1 No. 4, 279 (1991).
65. G. Bhanot `Finite Size Scaling in Lattice Gauge Theory', in
`Finite Size Scaling and Numerical Simulation of Statistical Systems', pp.
435-464, ed. V. Privman, World Scientific, 1990.
66. G. Bhanot, S. Sanielevici, `Binder-Challa-Landau Cumulent
and Lattice Gauge Theories: the Order of the Deconfinement Transition',
Phys. Rev. D. 40, 3454 (1989).
67. G. Bhanot `A Numerical Method to Exactly Compute the Partition
Function with Applications to Z(n) Theories in Two Dimensions', J. of
Stat. Phys. Vol. 60, 55 (1990).
68. G. Bhanot and S. Sastry, `Solving the Ising Model Exactly
on a 5x4x5 Lattice Using the Connection Machine', J. of Stat. Phys.,
Vol. 60, 333 (1990).
69. G. Bhanot, G. Mandal and O. Narayan, 'Phase Transitions in One
Matrix Models', Phys. Letts. B251, 388 (1990).
70. G. Bhanot, B. Berg, M. Burbank, M. Creutz, J. Owens, eds.,
'Lattice Higgs Workshop', (Proc.), (World Scientific, 1988).
71. G. Bhanot 'O(4) on F_4', Nucl. Phys. B17 (Proc. Suppl.),
653 (1990)
72. G. Bhanot, K. Bitar, U. Heller, H. Neuberger,
'Phi4 on F_4: Analytic Results', Nucl. Phys. B343, 467 (1990).
73. G. Bhanot, K. Bitar, U. Heller, H. Neuberger,
'Phi4 on F_4: Numerical Results', Nucl. Phys. B353, 551 (1991);
ERRATUM-ibid. B375 (1992) 503.
74. G. Bhanot and S. Adler, `Accelerating Abelian Gauge Dynamics',
Nucl. Phys. B20 (Proc. Supp.) (1991) 114.
75. G. Bhanot and S. Adler, `Accelerating Abelian Gauge Dynamics',
Phys. Rev. Letts. 66, 1807 (1991).
76. G. Bhanot, J. C. Parikh, V. B. Sheorey and A. Pandey,
`Quantum Chaos and Sensitivity to System Parameters', International Journal
of Modern Physics C, Vol. 1 (1990) 279.
77. G. Bhanot and B. Baaquie, `Microcanonical Simulation
of the Four Dimensional SU(2) Non-linear Sigma Model'
Nucl. Phys. B382 (1992) 409.
78. G. Bhanot, S. Adler, T. Lippert, K. Schilling, P. Ueberholz,
`Defeating Critical Slowing Down for Abelian Gauge Dynamics', Nucl. Phys.
B368 (1992) 745.
79. G. Bhanot and S. Adler, `Parallel Acceleration Algorithm for
Spin Models', Int. J. of Mod. Phys. C, Vol. 3, No. 4(1992) 605.
80. G. Bhanot, S. Wholey and C. Lasser, 'Flo67: A Case Study in
Scalable Programming', The. Int. J. of Supercomp. Appl. Vol. 6.4 (1992).
81. G. Bhanot and C. Liu, `The QCD Kernel on the CM-5', Thinking
Machines Internal Report, Dec. 1991.
82 G. Bhanot `Porting Code to the Connection Machine - an Example',
Thinking Machines Corporation Internal Report, 1991.
83. G. Bhanot, T. Lippert, K. Schilling, P. Ueberholz, `First Order
Transitions and the Multihistogram Method', Nucl. Phys. B378 (1992) 633.
84. G. Bhanot and S. Adler, `V Cycle Dynamical Exponent for the
MSU Algorithm for the 2-d XY Model', Institute for Advanced Study Preprint,
IASSNS-HEP-92/16. Phys. Rev. D. (Brief Reports).
85. G. Bhanot and J. Lacki,` Partition Function Zeros and the 3-d Ising
Spin Glass', J. Stat. Phys. 71 (1993) 259.
86. G. Bhanot, M Creutz and J. Lacki,` Low Temperature Expansion for the 3-d
Ising Model', Phys. Rev. Letts. 69 (1992) 1841.
87. G. Bhanot `3-d Spin Glasses and Ising Models, New Methods on New
Architectures', IASSNS-HEP-92-71. Proceedings of the European CM Users
Meeting, Wuppertal, April, 1992.
88. G. Bhanot `A New Method to Generate Large Order Low Temperature
Expansions', Nucl. Phys. (Proc. Supp.) B 30 (1993) 236.
Proceedings of Lattice 92, Amsterdam, September, 1992.
89. S. Aoki, R. Shrock, B. Berg, K. Bitar, R. Edwards,
U.M. Heller, A. Kennedy, S. Sanielevici, C. Bernard, M. Ogilvie, D.
Petcher, G. Bhanot, P. Rossi, R. Brower, J. Potvin, C. Rebbi, F.R.
Brown, N. Christ, R. Mawhinney, C. Detar, T. Draper, K.F. Liu, S.
Gottlieb, H. Hamber, G. Kilcup, J. Shigemitsu, J. Kogut, A. Kronfeld,
I.H. Lee, J. Negele, S. Ohta, J.C. Sexton, E. Shuryak, D.K. Sinclair,
A. Soni, W. Wilcox. Int. J. Mod. Phys. C2 (1991) 829-947.
90. G. Bhanot, M Creutz, Uwe Glassner, Ivan Horvath, Jan Lacki,
Klaus Schilling and John Weckel, ` Low Temperature Expansion for Potts Models'
Phys. Rev. B48 (1993) 6183.
91. G. Bhanot and R. Ben-Av, `Measuring the Decorrelation Times of
Fourier Modes in Simulations', Phys. Letts. B305 (1993) 131.
92. G. Bhanot, M Creutz, I. Horvath, Jan Lacki and John Weckel,
`Series Expansions Without Diagrams', Phys. Rev. E 49 (1994) 2445.
93. G. Bhanot, J. Lacki, `Generating Low Temperature Expansions for
Ising Spin Glasses', Phys. Rev. B49 (1994) 5978.
94. G. Bhanot, K. Demeterfi and I. Klebanov, `1+1-Dimensional Large
N QCD Coupled to Adjoint Matter', Phys. Rev. D48 (1993) 4980.
95. G. Bhanot, S. Adler, J. Weckel, `Proof of Jacobi Identity in
Generalized Quantum Dynamics', J. of Math Phys. 35 (1994) 531.
96. G. Bhanot, K. Demeterfi and I. Klebanov, `Glueball Spectrum in a
1+1-Dimensional Model for QCD', Nucl. Phys. B418 (1994) 15.
97. G. Bhanot, M. Creutz, U. Glassner, K. Schilling, `Specific
Heat Exponent for the 3-d Ising Model from a 24 th Order High
Temperature Series', Phys. Rev. B49 1994-II, 12909.
98. G. Bhanot, S. Adler and J. D. Weckel, `Algorithmic Aspects
of a Neuron for Coherent Wave Synapse Realizations', IEEE Transactions on
Neural Networks, Vol. 7, No. 5, pp.1262-1271 (1996).
99. G. Bhanot, J. Janak, V. Sonnad, R. Walkup, ``Hierarchical
Decomposition: A Parallel Implementation of the Barnes-Hut Algorithm",
International Journal of High Speed Computing, Vol. 8, No. 1 (1996).
100. G. Bhanot, S. Y. Chen and P. Seiden, eds. `Some New Directions
in Science on Computers', World Scientific Inc., Singapore (1997).
101 G. Bhanot, M. Gupta and R. Narayanan, ``Performance of Some
Scientific Kernels in HPF and MPI", IBM Internal Report, October, 1996.
102 G. Bhanot, S. Bhavsar and S. Sahi, ` Extreme Value Theory and the
Stock Market', preprint, Feb., 1998.
103 G. Bhanot `How to Use Multiple CPUs on a Node With Little Effort', Invited
talk given at the conference on `Recent Developments in Computer Simulation Studies
in Condensed Matter Physics', U. of Georgia, Feb 23-27, 1998. To appear in the
proceedings.
104. G. Bhanot and R. Walkup, `Pthreads Programming and Optimization',
Chapter 4, IBM Redbook SG24-5611-00: `Scientific Applications in
RS/6000 SP Environments', 1999.
105. G. Bhanot, V. Sonnad, C. G. Tamirisa, `Mixed Models with Pthreads
and MPI', in `Industrial Strength Parallel Computing', Ed. Alice
Koniges, Morgan Kaufman Publishers, October, 1999.
106. G. Bhanot, Raimond L. Winslow, David Scollan, Joseph Greenstein,
Christina Yung, William Baumgartner, Donna Gresh and Bernice Rogowitz,
`Mapping, Modeling and Visual Exploration of Structure-Function
Relationships in the Heart', Johns Hopkins School of Medicine
preprint, October, 2000.
107. G. Bhanot, Yoram Louzoun, Martin Weigert, `Endocytosis and Tolerance in B-Cells', Princeton University Preprint, April, 2001.
108. G. Bhanot, Yoram Louzoun, Martin Weigert, `Capacity Revisited:
Some Analytic Results Relating the Binding Capacity of Antibodies to
Immune System Dynamics', Princeton University Preprint, May, 2001.
109. G. Bhanot, 'Resolution of Some Paradoxes in B-Cell Binding to
Antigen: A Computer Study', Invited paper presented at
`Patterns - Trends - Predictions 2001', May 9-12,2001, DelRay Beach FL.
|
|
