Universität zu Köln

Pudlik, Tadeusz ORCID: 0000-0001-6468-7954, Hennig, Holger, Witthaut, Dirk ORCID: 0000-0002-3623-5341 and Campbell, David K. (2014). Tunneling in the self-trapped regime of a two-well Bose-Einstein condensate. Phys. Rev. A, 90 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1094-1622

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Abstract

Starting from a mean-field model of the Bose-Einstein condensate dimer, we reintroduce classically forbidden tunneling through a Bohr-Sommerfeld quantization approach. We find closed-form approximations to the tunneling frequency more accurate than those previously obtained using different techniques. We discuss the central role that tunneling in the self-trapped regime plays in a quantitatively accurate model of a dissipative dimer leaking atoms to the environment. Finally, we describe the prospects of experimental observation of tunneling in the self-trapped regime, both with and without dissipation.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Pudlik, Tadeusz UNSPECIFIED orcid.org/0000-0001-6468-7954 UNSPECIFIED Hennig, Holger UNSPECIFIED UNSPECIFIED UNSPECIFIED Witthaut, Dirk UNSPECIFIED orcid.org/0000-0002-3623-5341 UNSPECIFIED Campbell, David K. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-423461
DOI:	10.1103/PhysRevA.90.053610
Journal or Publication Title:	Phys. Rev. A
Volume:	90
Number:	5
Date:	2014
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1094-1622
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language DOUBLE-WELL; QUANTUM DYNAMICS; INTERFEROMETRY; LIMIT; ENTANGLEMENT; OSCILLATIONS; BOSONS; STATES; GASES; SPINS Multiple languages Optics; Physics, Atomic, Molecular & Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42346