First-order transition in the l-component spin model with Gaussian random field

1998 ◽  
Vol 254 (3-4) ◽  
pp. 466-476 ◽  
Author(s):  
A. Benyoussef ◽  
D. Dohmi ◽  
A. Elkenz
Keyword(s):  
Random Field ◽  
Gaussian Random Field ◽  
Spin Model ◽  
Order Transition ◽  
First Order ◽  
First Order Transition

First-Order Transition in a Quantum Ising Model with p -Spin Interactions and a Random Field

1997 ◽  
Vol 27 (4) ◽  
pp. 419-422
Author(s):  
Yu-Qiang Ma ◽  
Z.D. Wang ◽  
Li Sheng ◽  
Jian-Xin Zhu ◽  
Chang-De Gong
Keyword(s):  
Ising Model ◽  
Random Field ◽  
Order Transition ◽  
First Order ◽  
Spin Interactions ◽  
Quantum Ising Model ◽  
First Order Transition

FIRST-ORDER TRANSITION, FINITE-ISOLATED SYSTEM AND MICROCANONICAL MONTE CARLO SIMULATIONS

2002 ◽  
Vol 16 (24) ◽  
pp. 3567-3572 ◽  
Author(s):  
SMITA OTA ◽  
SNEHADRI BIHARI OTA
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Simulations ◽  
Spin Model ◽  
Order Transition ◽  
Microcanonical Ensemble ◽  
Two Dimensional ◽  
First Order ◽  
Equilibrium Response ◽  
First Order Transition

We have investigated the first-order transition in the classical two-dimensional (2D) extended XY-spin model using Monte Carlo simulations. The simulations have been carried out on a system with 100 spins in the microcanonical ensemble, which represents a finite-isolated system. The energy as a function of temperature is found to exhibit a 'S'-shape at the first-order transition. We conclude that the observed phenomena at the first-order transition should be interpreted as the equilibrium response of a finite-isolated system.

scholarly journals First Order Transition for the Optimal Search Time of Lévy Flights with Resetting

2014 ◽  
Vol 113 (22) ◽  
Author(s):  
Lukasz Kusmierz ◽  
Satya N. Majumdar ◽  
Sanjib Sabhapandit ◽  
Grégory Schehr
Keyword(s):  
Search Time ◽  
Order Transition ◽  
Optimal Search ◽  
Lévy Flights ◽  
First Order ◽  
Levy Flights ◽  
First Order Transition

Fluctuation-induced first-order transition in the Hubbard model

1990 ◽  
Vol 74 (11) ◽  
pp. 1175-1179 ◽  
Author(s):  
M.D. Coutinho-Filho ◽  
M.L. Lyra ◽  
A.M. Nemirovsky
Keyword(s):  
Hubbard Model ◽  
Order Transition ◽  
First Order ◽  
First Order Transition
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