Publicação: Effect of anharmonicities in the critical number of trapped condensed atoms with an attractive two-body interaction
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The quantitative effect in the maximum number of particles and other static observables was determined. A deviation in the harmonic trap potential that is effective only outside the central part of the potential, with the addition of a term that is proportional to a cubic or quartic power of the distance was considered. Results showed that this study could be easily transferred to other trap geometries to estimate anharmonic effects.
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Algorithms, Approximation theory, Condensation, Harmonic analysis, Kinetic energy, Oscillators (mechanical), Quantum theory, Bose-Einstein condensation (BEC), Atomic physics
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Physical Review A - Atomic, Molecular, and Optical Physics, v. 66, n. 4, p. 436051-436055, 2002.
