Ionization of atoms in a thermal field

@inproceedings{FroehlichIonizationOA,
  title={Ionization of atoms in a thermal field},
  author={Juerg Froehlich and Marco Merkli and Israel Michael Sigal}
}
We study the stationary states of a quantum mechanical system describing an atom coupled to black-body radiation at positive temperature. The stationary states of the non-interacting system are given by product states, where the particle is in a bound state corresponding to an eigenvalue of the particle Hamiltonian, and the field is in its equilibrium state. We show that if Fermi's Golden Rule predicts that a stationary state disintegrates after coupling to the radiation field then it is… CONTINUE READING

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