Generators for Symmetric Universal Quantum Cloning Machines

Jiang, Mingming; Yu, Sixia

doi:10.1088/0256-307x/27/1/010303

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2015

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“…In paper [41], the phenomenon of the Bose-Einstein condensation of the relativistic ideal Bose gas with deformed commutation relations for positions and momenta operators is investigated.…”

Section: Introductionmentioning

confidence: 99%

The theory of a many boson system with the deformed Heisenberg algebra

Vakarchuk¹,

Panochko²

2015

Condens. Matter Phys.

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We propose to consider nonlinear fluctuations in the theory of liquid 4 He deforming the commutation relations between the generalized coordinates and momenta. Generalized coordinates are coefficients of density fluctuations of Bose particles. The deformation parameter takes into account the effects of three-and four-particle correlations in the behavior of a system. This parameter is defined from the experimental values of the elementary excitation spectrum and the structure factor extrapolated to T = 0 K. The numerical estimation of the ground state energy and the Bose condensate fraction is made. The elementary excitation spectrum and the potential of interaction between the helium atoms are recovered.

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“…In paper [41], the phenomenon of the Bose-Einstein condensation of the relativistic ideal Bose gas with deformed commutation relations for positions and momenta operators is investigated.…”

Section: Introductionmentioning

confidence: 99%