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Non-equilibrium dynamics of artifici...

Babadi, Mehrtash.

Non-equilibrium dynamics of artificial quantum matter.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Non-equilibrium dynamics of artificial quantum matter.
Author:	Babadi, Mehrtash.
Description:	351 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-02(E), Section: B.
Notes:	Adviser: Eugene Demler.
Contained By:	Dissertation Abstracts International75-02B(E).
Subject:	Physics, Condensed Matter.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3600137
ISBN:	9781303501388

Non-equilibrium dynamics of artificial quantum matter.
Babadi, Mehrtash.

Non-equilibrium dynamics of artificial quantum matter. - 351 p.

Source: Dissertation Abstracts International, Volume: 75-02(E), Section: B.

Thesis (Ph.D.)--Harvard University, 2013.

The rapid progress of the field of ultracold atoms during the past two decades has set new milestones in our control over matter. By cooling dilute atomic gases and molecules to nano-Kelvin temperatures, novel quantum mechanical states of matter can be realized and studied on a table-top experimental setup while bulk matter can be tailored to faithfully simulate abstract theoretical models. Two of such models which have witnessed significant experimental and theoretical attention are (1) the two-component Fermi gas with resonant s-wave interactions, and (2) the single-component Fermi gas with dipole-dipole interactions. This thesis is devoted to studying the non-equilibrium collective dynamics of these systems using the general framework of quantum kinetic theory.

ISBN: 9781303501388Subjects--Topical Terms:

226939
Physics, Condensed Matter.

Non-equilibrium dynamics of artificial quantum matter.
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100 1 $a Babadi, Mehrtash. $3 660400
245 1 0 $a Non-equilibrium dynamics of artificial quantum matter.
300 $a 351 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-02(E), Section: B.
500 $a Adviser: Eugene Demler.
502 $a Thesis (Ph.D.)--Harvard University, 2013.
520 $a The rapid progress of the field of ultracold atoms during the past two decades has set new milestones in our control over matter. By cooling dilute atomic gases and molecules to nano-Kelvin temperatures, novel quantum mechanical states of matter can be realized and studied on a table-top experimental setup while bulk matter can be tailored to faithfully simulate abstract theoretical models. Two of such models which have witnessed significant experimental and theoretical attention are (1) the two-component Fermi gas with resonant s-wave interactions, and (2) the single-component Fermi gas with dipole-dipole interactions. This thesis is devoted to studying the non-equilibrium collective dynamics of these systems using the general framework of quantum kinetic theory.
520 $a We present a concise review of the utilized mathematical methods in the first two chapters, including the Schwinger-Keldysh formalism of non-equilibrium quantum fields, two-particle irreducible (2PI) effective actions and the framework of quantum kinetic theory. We study the collective dynamics of the dipolar Fermi gas in a quasi-two-dimensional optical trap in chapter 3 and provide a detailed account of its dynamical crossover from the collisionless to the hydrodynamical regime. Chapter 4 is devoted to studying the dynamics of the attractive Fermi gas in the normal phase. Starting from the self-consistent T-matrix (pairing fluctuation) approximation, we systematically derive a set of quantum kinetic equations and show that they provide a globally valid description of the dynamics of the attractive Fermi gas, ranging from the weak-coupling Fermi liquid phase to the intermediate non-Fermi liquid pairing pseudogap regime and finally the strong-coupling Bose liquid phase. The shortcomings of the self-consistent T-matrix approximation in two spatial dimensions are discussed along with a proposal to overcome its unphysical behaviors. The developed kinetic formalism is finally utilized to reproduce and interpret the findings of a recent experiment done on the collective dynamics of trapped two-dimensional ultracold gases.
590 $a School code: 0084.
650 4 $a Physics, Condensed Matter. $3 226939
650 4 $a Physics, Low Temperature. $3 660402
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710 2 $a Harvard University. $b Physics. $3 660401
773 0 $t Dissertation Abstracts International $g 75-02B(E).
790 $a 0084
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3600137

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