Adiabatic nonlinear probes of one-dimensional bose gases

We discuss two complimentary problems: adiabatic loading of one-dimensional bosons into an optical lattice and merging two one-dimensional Bose systems. Both problems can be mapped to the sine-Gordon model. This mapping allows us to find power-law scalings for the number of excitations with the ramp...

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Veröffentlicht in:	Physical review letters 2008-12, Vol.101 (23), p.230402-230402, Article 230402
Hauptverfasser:	De Grandi, C, Barankov, R A, Polkovnikov, A
Format:	Artikel
Sprache:	eng
Schlagworte:	BOSE-EINSTEIN GAS BOSONS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EXCITATION INTERACTING BOSON MODEL MAPPING NONLINEAR PROBLEMS ONE-DIMENSIONAL CALCULATIONS PERTURBATION THEORY SINE-GORDON EQUATION
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