Towards a precise determination of the order of the phase transition in compact pure gauge QED

We present results obtained with a new numerical method, which in principle allows to determine the partition function of a lattice gauge theory, and its derivatives, with an accuracy dictated only by statistical fluctuations. We have used this method in order to determine the order of the phase tra...

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Bibliographic Details
Published inPhysics letters. B Vol. 238; no. 2; pp. 355 - 359
Main Authors Azcoiti, V., Di Carlo, G., Grillo, A.F.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 05.04.1990
Elsevier Science
Subjects
Exact sciences and technology
Physics
Statistical physics, thermodynamics, and nonlinear dynamical systems
Heat capacity
Fluctuations
Gauge theory
Statistical mechanics
Phase transitions
Lattice model
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Summary:We present results obtained with a new numerical method, which in principle allows to determine the partition function of a lattice gauge theory, and its derivatives, with an accuracy dictated only by statistical fluctuations. We have used this method in order to determine the order of the phase transition of pure gauge, compact QED and we have found that the height of the peak in the specific heat grows with the lattice size not faster than L 2.4±0.3 for L⩽10.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(90)91748-Z