Computer Simulation Studies in Condensed-Matter Physics XII: Proceedings of the Twelfth Workshop, Athens, Ga, Usa, March 8-12, 1999

by Landau, David P.; Lewis, S. P.; Schuttler, H. B.

• ISBN13: 9783540665656
• ISBN10: 354066565X
• Format: Hardcover
• Copyright: 1999-12-01
• Publisher: Springer Verlag

Summary

Provides a status report based on the presentation and discussion that took place during the 12th Annual workshop on Computer Simulation Studies in Condensed-matter Physics at the Center for Simulation Physics at the University of Georgia, March 8-12, 1999.

Table of Contents

Computer Simulation Studies in Condensed Matter Physics: An Introduction	1	(6)
D. P. Landau
S. P. Lewis
H.-B. Schuttler
Part I Electronic Structure and Quantum Monte Carlo
Beyond Wavelets: Exactness Theorems for Physical Calculations	7	(15)
T.A. Arias
T.D. Engeness
Introduction	7	(1)
Electronic Structure of Matter	8	(2)
Compact Representation of Fields	10	(2)
Expression of Physical Couplings	12	(6)
Efficient Solutions	18	(4)
References	21	(1)
Screening of a Point Charge: A Fixed-Node Diffusion Monte Carlo Study	22	(15)
Erik Koch
Olle Gunnarsson
Richard M. Martin
Introduction	22	(1)
Model Hamiltonian	23	(2)
Screening of a Point Charge	25	(3)
Quantum Monte Carlo	28	(9)
References	34	(3)
Quantum Simulations of Strongly Correlated Electron Systems	37	(16)
S. Zhang
E. C. Allman
Introduction	37	(2)
New Quantum Monte Carlo Methods	39	(4)
Is the Hubbard Model the Right One for High-Tc?	43	(8)
Concluding Remarks	51	(2)
References	51	(2)
Competing Effects in Perovskite Manganites: Ferromagnetism vs. Phase Separation	53	(18)
S. Yunoki
A. Moreo
E. Dagotto
Introduction	53	(1)
One-Orbital Ferromagnetic Kondo Model	54	(6)
Two-Orbital FM Kondo Model with Jahn-Teller Phones	60	(5)
Conclusions	65	(6)
Acknowledgments	66	(1)
References	66	(5)
Part II Phase Transitions and Critical Phenomena
Critical Finite-Size Scaling with Constraints: Fisher Renormalization Revisited	71	(15)
M. Krech
Introduction	71	(2)
Model and Simulation Method	73	(3)
Ising Universality Class	76	(4)
XY Universality Class	80	(4)
Summary and Conclusions	84	(2)
References	85	(1)
Monte Carlo Simulation of Spin Models with Long-Range Interactions	86	(14)
E. Luijten
Introduction	86	(1)
Description of the Algorithm	87	(4)
Applications	91	(7)
Outlook and Conclusion	98	(2)
References	99	(1)
Phase Diagram of the Spin-3/2 Blume-Capel Model	100	(5)
J. A. Plascak
D. P. Landau
Introduction	100	(1)
Monte Carlo Simulations	101	(3)
Summary	104	(1)
References	104	(1)
Dynamic Phase Transition and Hysteresis in Kinetic Ising Models	105	(15)
P. A. Rikvold
G. Korniss
C. J. White
M. A. Novotny
S. W. Sides
Introduction	105	(2)
Model and Relevant Quantities	107	(3)
Decay of Metastable Phases	110	(1)
Results	111	(6)
Summary and Discussion	117	(3)
References	118	(2)
Application of the 8-State Clock Model to FM/AFM/FM Trilayers	120	(4)
P. D. Scholten
V. Ranjbar
References	123	(1)
Monte Carlo Study of Critical Point Shifts in Thin Films	124	(5)
O. Dillmann
M. Muller
W. Janke
K. Binder
Introduction	124	(1)
Model	124	(1)
Phase Coexistence Curve and Scaling Predictions	125	(1)
Monte Carlo Procedures and Results	126	(2)
Summary and Outlook	128	(1)
References	128	(1)
Incipient Spanning Clusters in Square and Cubic Percolation	129	(20)
L. N. Shchur
Introduction	129	(1)
Percolation	130	(2)
Incipient Spanning Probability	132	(1)
Coexistence of Incipient Spanning Clusters in 2D	133	(3)
Computational Method	136	(1)
Finite Size Corrections of Spanning Probabilities. Free Boundaries	137	(5)
Periodic Boundary Conditions	142	(1)
Incipient Spanning Clusters in Simple Cubic Lattice	143	(1)
Discussion	144	(1)
Acknowledgments	145	(4)
Part III Spin Glasses
Bivariate Multicanonical Monte Carlo of the 3D ± J Spin Glass	149	(13)
N. Hatano
J. E. Gubernatis
Introduction	149	(1)
Spin Glass	150	(4)
Multicanonical Monte Carlo Method	154	(3)
Numerical Results	157	(1)
Discussions	158	(4)
References	160	(2)
Monte Carlo Simulation of the Three-Dimensional Ising Spin Glass	162	(7)
M. Palassini
S. Caracciolo
Introduction	162	(1)
Model and Simulation	162	(1)
Finite Size Scaling Analysis	163	(2)
Nature of the Phase Transition	165	(4)
References	166	(3)
Part IV Computer Simulation Methods
Molecular Dynamics Simulations with IMD	169	(5)
J. Roth
J. Stadler
M. Brunelli
F. Gahler
J. Hahn
M. Hohl
C. Horn
R. Mikulla
G. Schaaf
H.-R. Trebin
Introduction	169	(1)
Online Visualization and the Generation of Pictures	170	(1)
Metacomputing	171	(1)
Shock Waves in Quasicrystals and Crystals	172	(2)
Further Applications of the Broad Histogram Method for Continuous Systems	174	(5)
J. D. Munoz
H. J. Herrmann
Introduction	174	(1)
The BHMC Method	174	(2)
Example: The Classical Heisenberg Model	176	(1)
Results	177	(1)
How to Include an External Field	177	(1)
Conclusions	178	(1)
Acknowledgments	178	(1)
References	178	(1)
Introduction to the Propp-Wilson Method of Exact Sampling for the Ising Model	179	(6)
M. A. Novotny
References	184	(1)
Magnetic Properties of Finite Systems: Microcanonical Finite-Size Scaling	185	(6)
M. Promberger
M. Kastner
A. Huller
Introduction: Microcanonical Description of Finite Systems	185	(2)
Microcanonical Finite-Size Scaling (MFSS)	187	(2)
Conclusion	189	(2)
References	190	(1)
Molecular Dynamic Simulation of Directional Crystal Growth	191	(8)
B. V. Costa
P.Z. Coura
O.N. Mesquita
Introduction	191	(1)
Simulation	191	(3)
Cellular Instability	194	(5)
References	196	(3)
Part V Polymers and Surfactants
Escape Transition of a Grafted Polymer Chain	199	(12)
A. Milchev
V. Yamakov
K. Binder
Introduction	199	(1)
Theoretical Background	200	(4)
The Model	204	(2)
Simulational Results	206	(3)
Summary	209	(2)
References	210	(1)
Monte Carlo Simulations of Model Nonionic Surfactants	211	(12)
A.P. Chatterjee
A.Z. Panagiotopoulos
Introduction	211	(1)
Models and Methods	212	(3)
Results	215	(6)
Discussion	221	(2)
References	221	(2)
A New Model to Simulate the Growth of Branched Polymers	223	(5)
H. Rego
L. Lucena
G. M. Viswanathan
The Branched Polymer Growth Model	223	(1)
Self-Organized Criticality in the Growth of Branched Polymers	224	(1)
The Fixed Number of Tips Model (FNTM)	225	(1)
Results	225	(1)
Conclusion	226	(2)
References	227	(1)
Molecular Dynamics Simulations of the Adsorption of Single Chains on Surfaces	228
A. Michel
S. Kreitmeier
B. Wunderlich
Introduction	228
Simulation Method and Model	228
Preliminary Results and Discussion	231
Acknowledgement	231
References	231