Vortex Formation by Merging and Interference of Multiple Trapped Bose-Einstein Condensates

Persistent Link:
http://hdl.handle.net/10150/194657
Title:
Vortex Formation by Merging and Interference of Multiple Trapped Bose-Einstein Condensates
Author:
Scherer, David Rene
Issue Date:
2007
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
An apparatus for producing atomic-gas Bose-Einstein condensates (BECs) of 87-Rb atoms is described. The apparatus produces 87-Rb BECs in a dual-chamber vacuumsystem that incorporates magnetic transport of trapped atoms from the magneto-optical trapping cell to the BEC production cell via the operation of a series of overlapping magnet coils. The design, construction, and operation of the apparatus are described in detail.The apparatus is used to study the creation of quantized vortices in BECs by the merging and interference of multiple trapped condensates. In this experiment, a single harmonic potential well is partitioned into three sections by an optical barrier,enabling the simultaneous formation of three independent, uncorrelated BECs. The BECs may either merge together during their growth, or, for high-energy barriers, the BECs can be merged together by barrier removal after their formation. Either process may instigate vortex formation in the resulting BEC, depending on the initially indeterminate relative phases of the condensates and the merging rate.
Type:
text; Electronic Dissertation
Keywords:
vortex; bose-einstein condensate; superfluid; BEC; matter-wave interference
Degree Name:
Ph.D.
Degree Level:
doctoral
Degree Program:
Optical Sciences; Graduate College
Degree Grantor:
University of Arizona
Advisor:
Anderson, Brian P.
Committee Chair:
Anderson, Brian P.

Full metadata record

DC FieldValue Language
dc.language.isoenen_US
dc.titleVortex Formation by Merging and Interference of Multiple Trapped Bose-Einstein Condensatesen_US
dc.creatorScherer, David Reneen_US
dc.contributor.authorScherer, David Reneen_US
dc.date.issued2007en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractAn apparatus for producing atomic-gas Bose-Einstein condensates (BECs) of 87-Rb atoms is described. The apparatus produces 87-Rb BECs in a dual-chamber vacuumsystem that incorporates magnetic transport of trapped atoms from the magneto-optical trapping cell to the BEC production cell via the operation of a series of overlapping magnet coils. The design, construction, and operation of the apparatus are described in detail.The apparatus is used to study the creation of quantized vortices in BECs by the merging and interference of multiple trapped condensates. In this experiment, a single harmonic potential well is partitioned into three sections by an optical barrier,enabling the simultaneous formation of three independent, uncorrelated BECs. The BECs may either merge together during their growth, or, for high-energy barriers, the BECs can be merged together by barrier removal after their formation. Either process may instigate vortex formation in the resulting BEC, depending on the initially indeterminate relative phases of the condensates and the merging rate.en_US
dc.typetexten_US
dc.typeElectronic Dissertationen_US
dc.subjectvortexen_US
dc.subjectbose-einstein condensateen_US
dc.subjectsuperfluiden_US
dc.subjectBECen_US
dc.subjectmatter-wave interferenceen_US
thesis.degree.namePh.D.en_US
thesis.degree.leveldoctoralen_US
thesis.degree.disciplineOptical Sciencesen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.advisorAnderson, Brian P.en_US
dc.contributor.chairAnderson, Brian P.en_US
dc.contributor.committeememberCronin, Alexanderen_US
dc.contributor.committeememberJessen, Poul S.en_US
dc.identifier.proquest2023en_US
dc.identifier.oclc659746620en_US
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