5 papers
Entanglement of a mixed state of two qubit system
Levan Chotorlishvili
Interaction with environment may lead to the transition of quantum system from pure state to the mixed one. In this case, the problem of definition of entanglement may arise. In pa…
Quantum chaos and its kinetic stage of evolution
L. Chotorlishvili, A. Ugulava
Usually reason of irreversibility in open quantum-mechanical system is interaction with a thermal bath, consisting form infinite number of degrees of freedom. Irreversibility in th…
Chaotic dynamics of two 1/2 spin-qubit system in the optical cavity
L. Chotorlishvili, Z. Toklikishvili
Spin systems are one of the most promising candidates for quantum computation. At the same time control of a system's quantum state during time evolution is one of the actual probl…
Paul Trap and the Problem of Quantum Stability
L. Chotorlishvili, K. Nickoladze, G. Mchedlishvili
This work is devoted to the investigation of possibility of controlling of ions motion inside Paul trap. It has been shown that by proper selection of the parameters of controlling…
Quantum chaos at the Kinetic Stage of Evolution
A. Ugulava, L. Chotorlishvili, K. Nickoladze
It is shown that a periodic perturbation of the quantum pendulum (similarly to the classical one) in the neighbourhood of the separatrix can bring about irreversible phenomena. As…