Wilson loops, string tension and correlations in Monte Carlo simulation of compact U(1) lattice gauge theory
✍ Scribed by M.J. Cole; K.J.M. Moriarty; P.E. Stolorz
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 555 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0010-4655
No coin nor oath required. For personal study only.
✦ Synopsis
Nature of the physical problem The program calculates Wilson loops, their correlations and the Catalogue number: ACFJ string tension for U(1) lattice gauge theory. These are useful observables [11 for studying the phase structure of U(1) lattice Program available from: CPC Program Library, Queen's Uni-gauge theory. versity of Belfast, N. Ireland (see application form in this issue) Method of solution Monte Carlo techniques are used to generate a series of field Computer: DEC VAX 11/780; Installation: Royal Holloway College Computer Centre configurations of the lattice system at a given temperature. For each configuration the Wilson loops are calculated, the string tension extracted and, if desired, correlations between the loops Operating system: DEC VAX 11/780: VMS 3.2 are evaluated. The program uses the technique of sweeping Programming language used: FORTRAN-77 through the lattice described in ref. [2]. Restrictions on the complexity of the program High speed storage required: 16 Kwords The storage required is dependent on the lattice size. The execution time increases with the lattice size and with the No. of bits in a word: 32 number of Monte Carlo iterations required, and is typically rather long. At temperatures much below the critical point, the Peripherals used: card reader, line printer Monte Carlo vetoing process becomes very slow. Total no. of lines in combined program and test deck: 1301 Typical running time The test run took 13.5 s on the DEC VAX 11/780.