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Applications of the symmetry princip...

Stanford University.

Applications of the symmetry principle in condensed matter and cold atomic systems.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Applications of the symmetry principle in condensed matter and cold atomic systems.
Author:	Wu, Congjun.
Description:	105 p.
Notes:	Adviser: Shou-Cheng Zhang.
Notes:	Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4289.
Contained By:	Dissertation Abstracts International66-08B.
Subject:	Physics, Condensed Matter.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3186420
ISBN:	9780542287220

Applications of the symmetry principle in condensed matter and cold atomic systems.
Wu, Congjun.

Applications of the symmetry principle in condensed matter and cold atomic systems. - 105 p.

Adviser: Shou-Cheng Zhang.

Thesis (Ph.D.)--Stanford University, 2005.

First, we study the relative spin-orbit symmetry breaking effect in the Fermi surface instability of the Landau-Pomeranchuk type in the Fa1 channel. It provides a new mechanism to generate spin-orbit coupling arising from many-body interactions, in contrast to the conventional mechanism which originates from the single-body relativistic effect. This mechanism is essentially a p-wave generalization of ferromagnetism, and also a particle-hole channel analogy of the superfluid 3He-B phase.

ISBN: 9780542287220Subjects--Topical Terms:

226939
Physics, Condensed Matter.

Applications of the symmetry principle in condensed matter and cold atomic systems.
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020 $a 9780542287220
035 $a 00242821
040 $a UnM $c UnM
100 0 $a Wu, Congjun. $3 244822
245 1 0 $a Applications of the symmetry principle in condensed matter and cold atomic systems.
300 $a 105 p.
500 $a Adviser: Shou-Cheng Zhang.
500 $a Source: Dissertation Abstracts International, Volume: 66-08, Section: B, page: 4289.
502 $a Thesis (Ph.D.)--Stanford University, 2005.
520 # $a First, we study the relative spin-orbit symmetry breaking effect in the Fermi surface instability of the Landau-Pomeranchuk type in the Fa1 channel. It provides a new mechanism to generate spin-orbit coupling arising from many-body interactions, in contrast to the conventional mechanism which originates from the single-body relativistic effect. This mechanism is essentially a p-wave generalization of ferromagnetism, and also a particle-hole channel analogy of the superfluid 3He-B phase.
520 # $a My thesis work consists of several applications of the symmetry principle in condensed matter and cold atomic systems.
520 # $a Second, we rigorously prove a hidden and generic SO(5) symmetry in spin-3/2 systems with contact interactions, which may be realized in cold atomic systems in optical traps or lattices with candidate atoms such as 132Cs, 9Be, 135Ba, 137Ba. This symmetry sets up a framework to unify many seemingly unrelated properties of Fermi liquid theory, Cooper pairing structures in such systems.
520 # $a Third, we study the relation between time-reversal symmetry and the sign problem in fermionic quantum Monte-Carlo (QMC) simulations. We rigorously prove a general criterion dubbed T-invariant decomposition for the absence of this problem in the auxiliary field QMC method. We apply this criterion to the two-dimensional staggered current phase, which has received extensive attention in high Tc superconductivity. Its existence is conclusively demonstrated for the first time in a bi-layer model.
590 $a School code: 0212.
650 # 0 $a Physics, Condensed Matter. $3 226939
690 $a 0611
710 0 # $a Stanford University. $3 212607
773 0 # $g 66-08B. $t Dissertation Abstracts International
790 $a 0212
790 1 0 $a Zhang, Shou-Cheng, $e advisor
791 $a Ph.D.
792 $a 2005
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