10 citations · 14 across the 3 of their papers we have counts for
4 papers · 1 filter
Existence of Ground State Eigenvalues for the Spin-Boson Model with Critical Infrared Divergence and Multiscale Analysis
Volker Bach, Miguel Ballesteros, Martin Könenberg +1
A two-level atom coupled to the radiation field is studied. First principles in physics suggest that the coupling function, representing the interaction between the atom and the ra…
Ground states of semi-relativistic Pauli-Fierz and no-pair Hamiltonians in QED at critical Coulomb coupling
Martin Könenberg, Oliver Matte
We consider the semi-relativistic Pauli-Fierz Hamiltonian and a no-pair model of a hydrogen-like atom interacting with a quantized photon field at the respective critical values of…
An Infinite Level Atom coupled to a Heat Bath
Martin Könenberg
We consider a -dynamical system $(\Mg,\taug)$, which models finitely many particles coupled to an infinitely extended heat bath. The energy of the particles can be described b…
Return to Equilibrium for an Anharmonic Oscillator coupled to a Heat Bath
Martin Könenberg
We study a -dynamical system describing a particle coupled to an infinitely extended heat bath at positive temperature. For small coupling constant we prove return to equilibr…