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Dynamics of Atomic Matter Waves in O...

Reeves, Jeremy Brian.

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Dynamics of Atomic Matter Waves in Optical Lattices.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Dynamics of Atomic Matter Waves in Optical Lattices./
Author:	Reeves, Jeremy Brian.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
Description:	94 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.
Contained By:	Dissertation Abstracts International77-03B(E).
Subject:	Atomic physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3731958
ISBN:	9781339185552

Dynamics of Atomic Matter Waves in Optical Lattices.
Reeves, Jeremy Brian.

Dynamics of Atomic Matter Waves in Optical Lattices. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 94 p.

Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.

Thesis (Ph.D.)--State University of New York at Stony Brook, 2015.

Quantum gases in optical lattices allow for fundamental studies in atomic and condensed-matter physics and the exploration of novel effects. After a brief introduction to the fundamentals of quantum gas experiments in optical lattices, we discuss two recent experiments focusing on driven matter waves in a one-dimensional optical lattice.

ISBN: 9781339185552Subjects--Topical Terms:

3173870
Atomic physics.

Dynamics of Atomic Matter Waves in Optical Lattices.
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100 1 $a Reeves, Jeremy Brian. $3 3284321
245 1 0 $a Dynamics of Atomic Matter Waves in Optical Lattices.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2015
300 $a 94 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.
500 $a Adviser: Dominik A. Schneble.
502 $a Thesis (Ph.D.)--State University of New York at Stony Brook, 2015.
520 $a Quantum gases in optical lattices allow for fundamental studies in atomic and condensed-matter physics and the exploration of novel effects. After a brief introduction to the fundamentals of quantum gas experiments in optical lattices, we discuss two recent experiments focusing on driven matter waves in a one-dimensional optical lattice.
520 $a The first experiment uses a tilted bichromatic optical lattice to investigate the interplay of disorder and collisional interactions in the accelerated transport of a Bose-Einstein condensate. Here, a screening effect is observed, in which the interactions effectively cancel the damping of Bloch oscillations induced by a (quasi-)disordered potential. This effect can be understood through a modification of the underlying band structure by the interactions.
520 $a The second experiment studies the dynamics of a weakly trapped condensate resonantly coupled to the orbitals of a strongly confining state-selective lattice. We observe momentum distributions that correspond to matter wave diffraction from a periodic structure; however, the diffractive dynamics remain strongly linked to the internal-state Rabi oscillations. In the regime investigated, which we call the nonadiabatic regime, no diffracting potential can be defined. We show how only for much stronger coupling, the internal and external dynamics decouple, transitioning from nonadiabatic diffraction to the well-studied Kapitza-Dirac diffraction.
520 $a We further investigate prospects for realizing dissipative spin models in our ultracold atomic gas experiment. To this end, we develop and test in the laboratory several possible implementations of effective spins with differential coupling to a superfluid background and examine their viability for a realization of the spin-boson model.
590 $a School code: 0771.
650 4 $a Atomic physics. $3 3173870
650 4 $a Physics. $3 516296
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710 2 $a State University of New York at Stony Brook. $b Physics. $3 1678240
773 0 $t Dissertation Abstracts International $g 77-03B(E).
790 $a 0771
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792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3731958