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math-ph2026
Bounds on the Bogoliubov--Hartree--Fock Energy of the Pauli--Fierz Hamiltonian
Volker Bach, Matthias Herdzik
A variational analysis of the Bogoliubov--Hartree--Fock (BHF) energy of the translation-invariant, spinless Pauli--Fierz Hamiltonian with massless dispersion relation built up on w…
math-ph2026
On the Ultraviolet Problem for the Ground State Energy of the Translation-Invariant Pauli--Fierz Model at Zero Total Momentum
Volker Bach, Miguel Ballesteros, Merten Mlinarzik
We study the ground state energy of the Pauli--Fierz model in the absence of external potentials. We consider the fiber decomposition of the Pauli--Fierz operator with respect to t…