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Numerical simulations of stellar SiO maser variability. Investigation of the effect of shocks

Autor: Humphreys, E. M. L., Gray, M. D., Yates, J. A., Field, D., Bowen, G. H., Diamond, P. J.

A stellar hydrodynamic pulsation model has been combined with a SiO maser model in an attempt to calculate the temporal variability of SiO maser emission in the circumstellar envelope (CE) of a model AGB star. This study investigates whether the vari

Externí odkaz: http://arxiv.org/abs/astro-ph/0202426

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Teleportation as a Depolarizing Quantum Channel, Relative Entropy and Classical Capacity

Autor: Bowen, G., Bose, S.

Publikováno v: Phys. Rev. Lett 87, 267901 (2001)

We show that standard teleportation with an arbitrary mixed state resource is equivalent to a generalized depolarizing channel with probabilities given by the maximally entangled components of the resource. This enables the usage of any quantum chann

Externí odkaz: http://arxiv.org/abs/quant-ph/0107132

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Classical information capacity of superdense coding

Autor: Bowen, G.

Publikováno v: Phys. Rev. A 63, 022302 (2001)

Classical communication through quantum channels may be enhanced by sharing entanglement. Superdense coding allows the encoding, and transmission, of up to two classical bits of information in a single qubit. In this paper, the maximum classical chan

Externí odkaz: http://arxiv.org/abs/quant-ph/0101117

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