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Manuscript Title: Program package for multicanonical simulations of U(1) lattice gauge theory
Authors: Alexei Bazavov, Bernd A. Berg
Program title: STMC_U1MUCA
Catalogue identifier: AEET_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 180(2009)2339
Programming language: Fortran 77.
Computer: Any capable of compiling and executing Fortran code.
Operating system: Any capable of compiling and executing Fortran code.
Keywords: Markov Chain Monte Carlo, Multicanonical Wang-Landau Recursion, Fortran, Lattice gauge theory, U(1) gauge group.
PACS: 02.70.-c, 11.15.Ha.
Classification: 11.5.

Nature of problem:
Efficient Markov chain Monte Carlo simulation of U(1) lattice gauge theory close to its phase transition. Measurements and analysis of the action per plaquette, the specific heat, Polyakov loops and their structure factors.

Solution method:
Multicanonical simulations with an initial Wang-Landau recursion to determine suitable weight factors. Reweighting to physical values using logarithmic coding and calculating jackknife error bars.

Running time:
The prepared tests runs took up to 74 minutes to execute on a 2GHz PC.