Finite-size scaling of heavy-light mesons

Details Finite-size scaling of heavy-light mesons Finite-size scaling of heavy-light mesons

2009-10-14

arxiv.org/abs/0910.2630v1

PoS LAT2009:067,2009

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 2 figures, Contributed to 27th International Symposium on Lattice Field Theory, Beijing, China, 26 - 31 Jul 2009

Scientific paper

We study the finite-size scaling of heavy-light mesons in the static limit. The most relevant effects are due to the pseudo-Goldstone boson cloud. In the HMChPT framework we compute two-point functions of left current densitities as well as pseudoscalar densitites for the cases in which some or all of them lay in the epsilon-regime. As expected, finite volume dependence turns out to be significant in this regime and can be predicted in the effective theory in terms of the infinite-volume low-energy couplings. These results might be relevant for extraction of heavy-light meson properties from lattice simulations.

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