Volume Effects for Pion Two-Point Functions in Constant Electric and Magnetic Fields

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dc.creatorTiburzi, Brian C.
dc.date2008-09-10
dc.date2009-01-08
dc.date.accessioned2026-07-07T13:15:22Z
dc.date.available2026-07-07T13:15:22Z
dc.descriptionWe compute finite volume effects relevant for lattice QCD simulations using background fields. Focusing on constant electric and magnetic fields on a periodic lattice, we determine volume corrections to pion two-point functions using chiral perturbation theory. Among such corrections are the finite volume shifts to the electric and magnetic polarizabilities, which are numerically shown to be non-negligible. We additionally find that all terms in the single-particle effective action can be renormalized by infrared effects. This includes Born couplings to the pion current and total charge-squared, which can be renormalized due to the nature of gauge invariance on a torus.
dc.description16 pages, 6 figures, PQ results added, discussion improved
dc.identifierhttps://arxiv.org/abs/0809.1886
dc.identifierhttp://arxiv.org/abs/0809.1886
dc.identifierPhys.Lett.B674:336-343,2009
dc.identifierdoi:10.1016/j.physletb.2009.03.040
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230450
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleVolume Effects for Pion Two-Point Functions in Constant Electric and Magnetic Fields
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