Phys. Rev. Lett. 98, 063001 (2007) [4 pages]Quantum Many-Body Culling: Production of a Definite Number of Ground-State Atoms in a Bose-Einstein CondensateReceived 11 July 2006; published 9 February 2007 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. 95 260403 (2005)]. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.063001
DOI:
10.1103/PhysRevLett.98.063001
PACS:
32.80.Pj, 03.75.Nt, 05.30.Fk, 05.30.Jp
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