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Selection of measure and a Large Deviation Principle for the general XY model
the general XY model Large Deviation Principle Dynamical Systems
2011/7/28
Selection of measure and a Large Deviation Principle for the general XY model.
On the general XY Model: positive and zero temperature, selection and non-selection
the general XY Model positive zero temperature non-selection Dynamical Systems
2011/7/28
On the general XY Model: positive and zero temperature, selection and non-selection.
Phase transition of two-dimensional generalized XY model
Phase transition two-dimensional generalized XY model
2010/11/16
We study the two-dimensional generalized XY model that depends on an integer $q$ by the Monte Carlo method. This model was recently proposed by Romano and Zagrebnov. We find a single Kosterlitz-Thoul...
On Quantum Markov Chains on Cayley tree II: Phase transitions for the associated chain with XY-model on the Cayley tree of order three
On Quantum Markov Chains Cayley tree II
2010/11/15
In the present paper we study forward Quantum Markov Chains (QMC) defined on a Cayley tree. Using the tree structure of graphs, we give a construction of quantum Markov chains on a Cayley tree. By me...
We study the evolution of entanglement, quantum correlation and classical correlation for the one dimensional XY model in external transverse magnetic field. The system is initialized in the full pola...
On Random Field Induced Ordering in the Classical XY Model
Random Field Induced Ordering Classical XY Model
2010/12/13
Consider the classical XY model in a weak random external field pointing along the Y axis with strength . We study the behavior of this model as the range of the interaction is varied.
We prove that...
Effects of Staggered Magnetic Field on Entanglement in
the Anisotropic XY Model
thermal entanglement staggered magnetic field anisotropic XY model
2007/8/15
2006Vol.45No.1pp.61-66DOI:
Effects of Staggered Magnetic Field on Entanglement in
the Anisotropic XY Model
SUN Zhe and WANG Xiao-Guang
Zhejiang Institute of Modern Phys...
Critical Behavior of the Fully Frustrated Two Dimensional XY Model
Critical Behavior the Fully Frustrated Two Dimensional XY Model
2010/10/19
Using Monte Carlo simulations we have investigated the critical behavior of the classical fully frustrated XY model in two dimensions in a square lattice. There are two phase transitions in themodel, ...