Functional Renormalization and Ultracold Quantum Gases

Modern techniques from quantum field theory are applied in this work to the description of ultracold quantum gases. This leads to a unified description of many phenomena including superfluidity for bosons and fermions, classical and quantum phase transitions, different dimensions, thermodynamic prop...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Flörchinger, Stefan (Autor)
Autor Corporativo: SpringerLink (Online service)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2010.
Edición:1st ed. 2010.
Colección:Springer Theses, Recognizing Outstanding Ph.D. Research,
Temas:
Mathematical physics.
Quantum physics.
Low temperatures.
Quantum statistics.
Theoretical, Mathematical and Computational Physics.
Quantum Physics.
Low Temperature Physics.
Quantum Gases and Condensates.
Acceso en línea:Texto Completo

MARC

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245 1 0 |a Functional Renormalization and Ultracold Quantum Gases  |h [electronic resource] /  |c by Stefan Flörchinger. 
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264 1 |a Berlin, Heidelberg :  |b Springer Berlin Heidelberg :  |b Imprint: Springer,  |c 2010. 
300 |a X, 202 p. 58 illus.  |b online resource. 
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490 1 |a Springer Theses, Recognizing Outstanding Ph.D. Research,  |x 2190-5061 
505 0 |a The Wetterich Equation -- Generalized Flow Equation -- Truncations -- Cutoff Choices -- Investigated Models -- Symmetries -- Truncated Flow Equations -- Few-Body Physics -- Many-Body Physics -- Conclusions -- Appendices. 
520 |a Modern techniques from quantum field theory are applied in this work to the description of ultracold quantum gases. This leads to a unified description of many phenomena including superfluidity for bosons and fermions, classical and quantum phase transitions, different dimensions, thermodynamic properties and few-body phenomena as bound state formation or the Efimov effect. The non-perturbative treatment with renormalization group flow equations can account for all known limiting cases by solving one single equation. It improves previous results quantitatively and brings qualitatively new insights. As an example, new quantum phase transitions are found for fermions with three spin states. Ultracold atomic gases can be seen as an interesting model for features of high energy physics and for condensed matter theory. The research reported in this thesis helps to solve the difficult complexity problem in modern theoretical physics. 
650 0 |a Mathematical physics. 
650 0 |a Quantum physics. 
650 0 |a Low temperatures. 
650 0 |a Quantum statistics. 
650 1 4 |a Theoretical, Mathematical and Computational Physics. 
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650 2 4 |a Low Temperature Physics. 
650 2 4 |a Quantum Gases and Condensates. 
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950 |a Physics and Astronomy (R0) (SpringerNature-43715) 

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