QED(1+1) at Finite Temperature -- a Study with Light-Cone Quantisation
High Energy Physics - Theory
2009-10-30 v1 High Energy Physics - Lattice
Abstract
We explore quantum electrodynamics in (1+1) dimensions at finite temperature using the method of Discretized Light-Cone Quantisation. The partition function, energy and specific heat are computed in the canonical ensemble using the spectrum of invariant masses computed with a standard DLCQ numerical routine. In particular, the specific heat exhibits a peak which grows as the continuum limit is numerically approached. A critical exponent is tentatively extracted. The surprising result is that the density of states contains significant finite size artifacts even for a relatively high harmonic resolution. These and the other outstanding problems in the present calculation are discussed.
Cite
@article{arxiv.hep-th/9601045,
title = {QED(1+1) at Finite Temperature -- a Study with Light-Cone Quantisation},
author = {Stephan Elser and Alex C. Kalloniatis},
journal= {arXiv preprint arXiv:hep-th/9601045},
year = {2009}
}
Comments
10 pages, 11 Postscript figures, uses epsf.sty