A FORMULA FOR THE HOPPING EXPANSION OF EIGHT-VERTEX MODELS COUPLED TO AN EXTERNAL FIELD-Reference-Cited by-同舟云学术

A FORMULA FOR THE HOPPING EXPANSION OF EIGHT-VERTEX MODELS COUPLED TO AN EXTERNAL FIELD

Published:1999-12-10 Issue:30 Volume:14 Page:4853-4863
ISSN:0217-751X
Container-title:International Journal of Modern Physics A
language:en
Short-container-title:Int. J. Mod. Phys. A

Author:

GATTRINGER CHRISTOF¹

Affiliation:

1. Massachusetts Institute of Technology, Center for Theoretical Physics, 77 Massachusetts Avenue Cambridge MA 02139, USA

Abstract

We study a generalized eight-vertex model where the vertices are coupled to a locally varying field. We rewrite the partition function as an integral over Grassmann variables. In this form it is possible to explicitly evaluate all terms of the hopping expansion. Applications of the resulting formula, in particular its relation to 2D lattice field theories with fermions are discussed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217751X99002293

Reference21 articles.

1. Ising Model with Second-Neighbor Interaction. I. Some Exact Results and an Approximate Solution

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