Leipzig 2002 – scientific programme
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MP: Theoretische und Mathematische Grundlagen der Physik
MP 16: Quantenfeldtheorie: Renormierungs-Gruppen Methoden u.ä. (Forts.)
MP 16.1: Fachvortrag
Monday, March 18, 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.