ua nt - p h / 01 06 13 0 v 1 2 3 Ju n 20 01 Quantum Chaos at Finite Temperature

ua nt - p h / 01 02 07 0 v 1 1 3 Fe b 20 01 State Preparation and Some Applications in Quantum Optics within the context of Quantum Information Theory

nt - p h / 01 06 16 3 v 1 2 8 Ju n 20 01 On the exact solutions of the Lipkin - Meshkov - Glick model

We present the many-particle Hamiltonian model of Lipkin, Meshkov and Glick in the context of deformed polynomial algebras and show that its exact solutions can be easily and naturally obtained within this formalism. The Hamiltonian matrix of each j multiplet can be split into two submatrices associated to two distinct irreps of the deformed algebra. Their invariant subspaces correspond to even...

ua nt - p h / 01 07 09 0 v 1 1 8 Ju l 2 00 1 QUANTUM MEASUREMENT , INFORMATION , AND COMPLETELY POSITIVE MAPS

Axiomatic approach to measurement theory is developed. All the possible statistical properties of apparatuses measuring an observable with nondegenerate spectrum allowed in standard quantum mechanics are characterized.

ua nt - p h / 05 06 21 0 v 1 2 4 Ju n 20 05 On divergence , relative entropy and the substate property

In this article we study relationship between three measures of distinguishability of quantum states called as divergence [JRS02], relative entropy and the substate property [JRS02].

nt - p h / 01 06 13 5 v 1 2 4 Ju n 20 01 Equilibria of Replicator Dynamic in Quantum

An evolutionarily stable strategy (ESS) was originally defined as a static concept but later given a dynamic characterization. A well known theorem in evolutionary game theory says that an ESS is an attractor of replicator dynamic but not every attractor is an ESS. We search for a dynamic characterization of ESSs in quantum games and find that in certain asymmetric bi-matrix games evolutionary ...