Defeating critical slowing down for Abelian gauge dynamics
Jul 3, 1991
10 pages
Published in:
- Nucl.Phys.B 368 (1992) 745-754
- Published: 1992
Report number:
- WU-B-91-22,
- IASSNS-HEP-91-39
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Abstract: (Elsevier)
Using the Connection Machine CM-2 we investigate critical slowing down for the multi-scale update algorithm (MSU) for abelian gauge theories recently proposed by two of the present authors. From our measurements on four-dimensional U(1) gauge theory on 8 4 and 16 4 lattices, we find the critical exponent z for MSU dynamics to be consistent with zero. For reference, and as a test of our analysis technique, we verified that the Metropolis local update algorithm (LU) exhibits the random walk value z ≅ 2.- gauge field theory: U(1)
- lattice field theory
- critical phenomena
- computer: time
- numerical methods: Monte Carlo
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