Bounds on Correlation Functions of Quantum Rotators
Mathematical Physics
2007-05-23 v1 math.MP
Abstract
We derive a McBryan-Spencer bound to the correlation function of a one-dimensional array of quantum rotators in the Villain approximation of the cosine interaction. We obtain the partition function of the system in the gas representation and establish a lower bound on the external charge correlation function. We also discuss the possible existence of a Kosterlitz-Thouless phase for the quantum rotator in the Villain approximation.
Keywords
Cite
@article{arxiv.math-ph/9905004,
title = {Bounds on Correlation Functions of Quantum Rotators},
author = {Oscar Bolina and J. Rodrigo Parreira},
journal= {arXiv preprint arXiv:math-ph/9905004},
year = {2007}
}
Comments
Latex 7 pages