Density of states in gauge theories
Abstract
The density of states is calculated for a SU(2) and a compact U(1) lattice gauge theory using a modified version of the Wang-Landau algorithm. We find that the density of states of the SU(2) gauge theory can be reliably calculated over a range of 120,000 orders of magnitude for lattice sizes as big as 20^4. We demonstrate the potential of the algorithm by reproducing the SU(2) average action, its specific heat and the critical couplings of the weak first order transition in U(1).
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Journal
Physical Review Letters
Volume
109
Issue
11
Pagination
n/a - ? (5)
Author URL
Publisher URL
Number
111601
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