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Publications [#245723] of Shailesh Chandrasekharan
search www.slac.stanford.edu.Papers Published
- Brower, R; Chandrasekharan, S; Negele, JW; Wiese, UJ, LATTICE QCD AT FIXED TOPOLOGY,
Phys. Lett. B, vol. 560
(2003),
pp. 64-74
(last updated on 2025/07/04)Abstract:
Since present Monte Carlo algorithms for lattice QCD may become trapped in a fixed topological charge sector, it is important to understand the effect of calculating at fixed topology. In this work, we show that although the restriction to a fixed topological sector becomes irrelevant in the infinite volume limit, it gives rise to characteristic finite size effects due to contributions from all $\theta$-vacua. We calculate these effects and show how to extract physical results from numerical data obtained at fixed topology.