20 citations · 38 across the 2 of their papers we have counts for
4 papers
Quantum stochastic equation for test particle interacting with dilute Bose gas
A. N. Pechen
We use the stochastic limit method to study long time quantum dynamics of a test particle interacting with a dilute Bose gas. The case of arbitrary form-factors and an arbitrary, n…
A stochastic golden rule and quantum Langevin equation for the low density limit
L. Accardi, A. N. Pechen, I. V. Volovich
A rigorous derivation of quantum Langevin equation from microscopic dynamics in the low density limit is given. We consider a quantum model of a microscopic system (test particle)…
Quantum Multipole Noise and Generalized Quantum Stochastic Equations
A. N. Pechen, I. V. Volovich
A notion of quantum multipole (in particular, dipole) noise is considered. Quantum dipole noise is an analogue of quantum white noise but it acts in a Fock space with indefinite me…
Quantum stochastic equation for the low density limit
L. Accardi, A. N. Pechen, I. V. Volovich
A new derivation of quantum stochastic differential equation for the evolution operator in the low density limit is presented. We use the distribution approach and derive a new alg…