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 Quantum Many-Body Culling


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We propose a method to produce a definite number of ground-state atoms by adiabatic reduction of the depth of a potential well that confines a degenerate Bose gas with repulsive interactions. Using a variety of methods, we map out the maximum number of particles that can be supported by the well as a function of the well depth and interaction strength, covering the limiting case of a Tonks gas as well as the mean-field regime. We also estimate the time scales for adiabaticity and discuss the recent observation of atomic number squeezing Chuu et al., Phys. Rev. Lett. {\bf 95}, 260403 2005.



Autor: A. M. Dudarev; M. G. Raizen; Qian Niu

Fuente: https://archive.org/







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