Leipzig 2002 – wissenschaftliches Programm

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MP: Theoretische und Mathematische Grundlagen der Physik

MP 16: Quantenfeldtheorie: Renormierungs-Gruppen Methoden u.ä. (Forts.)

MP 16.1: Fachvortrag

Montag, 18. März 2002, 16:20–16:40, HS 18

Enhanced Binding in non-relativistic QED — •Semjon Wugalter¹, Christian Hainzl¹, and Vitali Vougalter² — ¹Mathematisches Institut der LMU, Theresienstrasse 39, 80333 Muenchen — ²University of British Columbia, Canada

We consider a spinless particle coupled to a photon field and prove that even if the Schroedinger operator p²+V does not have eigenvalues the system can have a ground state. We describe the coupling by means of the Pauli-Fierz Hamiltonian and our result holds in the case where the coupling constant α is small.