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math-ph2020
On the Ultraviolet Limit of the Pauli-Fierz Hamiltonian in the Lieb-Loss Model
Volker Bach, Alexander hach
Two decades ago, Lieb and Loss proposed to approximate the ground state energy of a free, nonrelativistic electron coupled to the quantized radiation field by the infimum $E_{α, Λ}…
math-ph2017
Suppression of Decoherence of a Spin-Boson System by Time-Periodic Control
Volker Bach, Alexander Hach
We consider a finite-dimensional quantum system coupled to the bosonic radiation field and subject to a time-periodic control operator. Assuming the validity of a certain dynamic d…