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Start Over Descriptor "Tan's contact" Journal journal of low temperature physics
1 results on '"Tan's contact"'

1. Ground-State Properties of a Dilute Two-Dimensional Bose Gas.

Author

Pastukhov, Volodymyr

Subjects
*BOSE-Einstein gas, *HYDRODYNAMICS, *PERTURBATION theory, *BOSE-Einstein condensation, *DENSITY functional theory
Abstract

We revisit the problem of the calculation of zero-temperature properties for the dilute two-dimensional Bose gas. By using Popov's hydrodynamic approach and perturbation theory on the two-loop level, we recover not only the known expansion for the ground-state energy but also calculate for the first time the condensate density and Tan's contact. [ABSTRACT FROM AUTHOR]

Published
2019
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