paper

Resonances in an external field: the 1+1 dimensional case

arXiv:1001.1641 · doi:10.1007/JHEP04(2010)050

Abstract

Using non-relativistic effective field theory in 1+1 dimensions, we generalize Luescher's approach for resonances in the presence of an external field. This generalized approach provides a framework to study the infinite-volume limit of the form factor of a resonance determined in lattice simulations.

13 pages, 2 postscript figures

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