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Enhanced Binding in a General Class of Quantum Field Models

Asao Arai

Department of Mathematics, Hokkaido University, Sapporo 060-0810, Japan

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and

Hiroyuki Kawano

Department of Mathematics, Hokkaido University, Sapporo 060-0810, Japan

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https://doi.org/10.1142/S0129055X03001680Cited by:25 (Source: Crossref)

Abstract

We consider, in an abstract form, a system of "quantum particles" coupled to a Bose field. It is shown that, under suitable hypotheses, the composed system can have a ground state even if the uncoupled particle system has no ground state.

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