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Quantum phases of low-dimensional ul...

Mathey, Ludwig G.

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Quantum phases of low-dimensional ultra-cold atom systems.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Quantum phases of low-dimensional ultra-cold atom systems./
作者:	Mathey, Ludwig G.
面頁冊數:	230 p.
附註:	Advisers: Antonio H. Castro Neto; Bertrand Halperin.
Contained By:	Dissertation Abstracts International68-05B.
標題:	Physics, Atomic. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3265035
ISBN:	9780549042976

Quantum phases of low-dimensional ultra-cold atom systems.
Mathey, Ludwig G.

Quantum phases of low-dimensional ultra-cold atom systems. - 230 p.

Advisers: Antonio H. Castro Neto; Bertrand Halperin.

Thesis (Ph.D.)--Harvard University, 2007.

In this thesis we derive and explore the quantum phases of various types of ultracold atom systems, as well as their experimental signature. The technology of cooling, trapping and manipulating ultracold atoms has advanced in an amazing fashion during the last decade, which has led to the study of many-body effects of atomic ensembles. We first consider atomic mixtures in one dimension, which show a rich structure of phases, using a Luttinger liquid description. We then go on to consider how noise correlations in time-of-flight images of one-dimensional systems can be used to draw conclusions about the many-body state that they're in. Thirdly, we consider the quantum phases of Bose-Fermi mixtures in optical lattices, either square lattices or triangular lattices, using the powerful method of functional renormalization group analysis. Lastly, we study the phases of two-coupled quasi-superfluids in two dimensions, which shows unusual phases, and which could be used to realize the Kibble-Zurek mechanism, i.e. the generation of topological defects by ramping across a phase transition, first proposed in the context of an early universe scenario.

ISBN: 9780549042976Subjects--Topical Terms:

1029235
Physics, Atomic.

Quantum phases of low-dimensional ultra-cold atom systems.
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245 1 0 $a Quantum phases of low-dimensional ultra-cold atom systems.
300 $a 230 p.
500 $a Advisers: Antonio H. Castro Neto; Bertrand Halperin.
500 $a Source: Dissertation Abstracts International, Volume: 68-05, Section: B, page: 3114.
502 $a Thesis (Ph.D.)--Harvard University, 2007.
520 $a In this thesis we derive and explore the quantum phases of various types of ultracold atom systems, as well as their experimental signature. The technology of cooling, trapping and manipulating ultracold atoms has advanced in an amazing fashion during the last decade, which has led to the study of many-body effects of atomic ensembles. We first consider atomic mixtures in one dimension, which show a rich structure of phases, using a Luttinger liquid description. We then go on to consider how noise correlations in time-of-flight images of one-dimensional systems can be used to draw conclusions about the many-body state that they're in. Thirdly, we consider the quantum phases of Bose-Fermi mixtures in optical lattices, either square lattices or triangular lattices, using the powerful method of functional renormalization group analysis. Lastly, we study the phases of two-coupled quasi-superfluids in two dimensions, which shows unusual phases, and which could be used to realize the Kibble-Zurek mechanism, i.e. the generation of topological defects by ramping across a phase transition, first proposed in the context of an early universe scenario.
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650 4 $a Physics, Condensed Matter. $3 1018743
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