Vanishing of Nonabelian Berry Phases in Heavy Solitonic Baryons

Details Vanishing of Nonabelian Berry Phases in Heavy Solitonic Baryons Vanishing of Nonabelian Berry Phases in Heavy Solitonic Baryons

1993-02-18

arxiv.org/abs/hep-ph/9302274v1

Phys.Rev.D48:2329-2336,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 21 pages; no figures; DSM-CEA T93/021

Scientific paper

10.1103/PhysRevD.48.2329

In this article, we show -- using a reasoning applicable to both the excitation spectrum in the chiral bag model and the hyperfine structure of diatomic molecules -- that the generic form of a non- abelian Berry potential appears in heavy-quark effective theory (HQET) and that the Berry potential vanishes for the soliton- heavy meson bound state in the heavy-quark limit. The vanishing of the Berry potential in HQET is shown to be related to the restoration of heavy-quark symmetry in infinite heavy-quark-mass limit in close analogy to diatomic molecules at infinite internuclear separation.

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