04-73 Isabelle Catto, Pavel Exner and Christian Hainzl
Enhanced binding revisited for a spinless particle in non-relativistic QED (285K, .pdf) Mar 10, 04
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Abstract. We consider a spinless particle coupled to a quantized Bose field and show that such a system has a ground state for two classes of short-range potentials which are alone too weak to have a zero-energy resonance.

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