300 citations · 881 across the 36 of their papers we have counts for
11 papers · 1 filter
Landau-Zener formula and non-secular transitions
S. V. Kozyrev
The relationship between the Landau-Zener model (which describes transitions between energy levels for a time-dependent Hamiltonian) and non-secular master equations is discussed.…
q-Deformation and free statistics for interaction of a field and a particle
S. V. Kozyrev
Emerging of free (or quantum Boltzmann) statistics for a model of quantum particle interacting with quantum field is described in the stochastic limit without dipole approximation.…
Quantum transport in degenerate systems
S. V. Kozyrev
Transport in nonequilibrium degenerate quantum systems is investigated. Transfer rate depends on parameters of the system. In this paper we investigate dependence of the flow (tran…
Flows in nonequilibrium quantum systems and quantum photosynthesis
S. V. Kozyrev, A. A. Mironov, A. E. Teretenkov +1
A three level quantum system interacting with nonequilibrium environment is investigated. The stationary state of the system is found (both for non-coherent and coherent environmen…
Coherent quantum control of -atoms through the stochastic limit
L. Accardi, S. V. Kozyrev, A. N. Pechen
We investigate, using the stochastic limit method, the coherent quantum control of a 3-level atom in -configuration interacting with two laser fields. We prove that, in the gene…
The Contextual Quantization and the Principle of Complementarity of Probabilities
Andrei Khrennikov, Sergei Kozyrev
The Principle of Complementarity of Probabilities based on of noncommutative probability is introduced.
Noncommutative probability in classical systems
Andrei Khrennikov, Sergei Kozyrev
Two examples of the situation when the classical observables should be described by a noncommutative probability space are investigated. Possible experimental approach to find quan…
Quantum Boltzmann statistics in interacting systems
Luigi Accardi, Sergei Kozyrev
Collective operators that describe interaction of generic quantum system with discrete spectrum with a quantum field are investigated. These operators, considered as operators in t…
Interaction of 3-level atom with radiation
L. Accardi, K. Imafuku, S. V. Kozyrev
The interaction of 3-level system with a quantum field in a non-equilibrium state is considered. We describe a class of states of the quantum field for wich a stationary state driv…
Quantum decoherence and the Glauber dynamics from the Stochastic limit
L. Accardi, S. V. Kozyrev
The effects of decoherence for quantum system coupled with a bosonic field are investigated. An application of the stochastic golden rule shows that in the stochastic limit the dyn…
On the structure of Markov flows
L. Accardi, S. V. Kozyrev
A new infinitesimal characterization of completely positive but not necessarily homomorphic Markov flows from a C^*-algebra to bounded operators on the boson Fock space over L^2(R)…