Titlebook: Quantum Communication and Information Technologies; Alexander S. Shumovsky,Valery I. Rupasov Conference proceedings 2003 Kluwer Academic P

NOMAD

Different Scattering Regimes in Two-Dimensional Bose-Einstein Condensates,m coupling which depends on the density of the condensate as the system starts to be influenced by two-dimensional collisions. We trace the regions of experimentally accessible system parameters for which the crossover between different dimensionality behaviors in the scattering properties may become observable.

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Optic-Disk

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Schmidt-Mode Analysis of Entanglement for Quantum Information Studies,tion technology. Pure non-separable two-particle states are analysed using the Schmidt decomposition and we introduce the number of effective eigenmodes as a measure of entanglement. We give an elementary illustration, as well as an overview of more complex calculations we have carried out in situat

MELON

Quantum Metrology and Quantum Information Processing with Hyper-Entangled Quantum States,y, time, polarization, and momentum quantum correlations. This entanglement involving more than one pair of quantum variable, known as hyper-entanglement entanglement, serves as a powerful tool in fundamental studies of foundations of the quantum theory, in the development of novel information proce

MOTTO

MELD

Cavity Quantum Electrodynamics with Single Atoms,tudy quantum phenomena in the atom-radiation interaction. The first one deals with the one-atom maser and the second one with another cavity quantum electrodynamic device on the basis of trapped ions. The latter device has interesting applications in quantum computing Quantum computing and quantum i

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Multipole Radiation in Quantum Domain,ed by atomic transitions. In particular, the angular momentum Angular momentum of photons including the angular momentum entanglement, the quantum phase of photons, and the spatial properties of polarization are discussed.

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Theory of Atomic Hyperfine Structure,ith respect to particle and its antiparticle, (ii) predicts the hyperfine structure of electron energy levels in Coulomb field of nucleus with zero magnetic moment, (iii) explains the Lamb shift and electron anomalous magnetic moment without secondary quantization either the matter or the radiation

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Interaction of Mesoscopic Devices with Non-Classical Electromagnetic Fields,ween the two electron beams is a quantum mechanical operator, whose expectation value with respect to the density matrix . describing the microwaves, determines the interference. It is shown that the quantum noise of the microwaves destroys slightly the interference. The results are interpreted phys