| |
 |
UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:01 |
 |
|
|
|
Conference: Bucharest University Faculty of Physics 2009 Meeting
Section: Solid State Physics and Materials Science
Title:
Sampling of complex energy landscapes at low temperature with application in the Ising Spin-Glass model
Authors:
Răzvan-Cosmin Radulescu, George-Alexandru Nemnes
Affiliation:
University of Bucharest
E-mail
razvanc87@gmail.com
Keywords:
complex system, energy landscape, sampling, spin glass, disordered ferromagnet
Abstract:
Systems with complex energy landscapes are a challenge as far as dynamic relaxation models are concerned. The methods used for describing the dynamic relaxation of such systems are used not only in physics, but also in computer science (as in neuronal networks), in social behavior redictions, economy etc. For complex systems in physics, where energy and temperature are the key parameters, up to now Monte Carlo methods have given us the possibility to estimate
their dynamic evolution efficiently only for relatively high temperature values.For estimating the dynamics at low temperatures, we propose a method based on the features (local minimum, saddle points) of the underlaying energy landscape which we will call Dynamic Relevant Sequences (DRS). This presentation makes use of the 2D Ising Spin-Glass model for this purpose.
|
|
|
|