Excitons and Cooper Pairs: Two Composite Bosons in Many-Body Physics. Monique Combescot, Shiue-Yuan Shiau
Excitons-and-Cooper-Pairs.pdf
ISBN: 9780198753735 | 480 pages | 12 Mb
- Excitons and Cooper Pairs: Two Composite Bosons in Many-Body Physics
- Monique Combescot, Shiue-Yuan Shiau
- Page: 480
- Format: pdf, ePub, fb2, mobi
- ISBN: 9780198753735
- Publisher: Oxford University Press
Online textbooks free download Excitons and Cooper Pairs: Two Composite Bosons in Many-Body Physics English version
This book bridges a gap between two major communities of Condensed Matter Physics, Semiconductors and Superconductors, that have thrived independently. Using an original perspective that the key particles of these materials, excitons and Cooper pairs, are composite bosons, the authors raise fundamental questions of current interest: how does the Pauli exclusion principle wield its power on the fermionic components of bosonic particles at a microscopic level and how this affects their macroscopic physics? What can we learn from Wannier and Frenkel excitons and from Cooper pairs that helps us understand "bosonic condensation" of composite bosons and its difference from Bose-Einstein condensation of elementary bosons? The authors begin with a solid mathematical and physical foundation to derive excitons and Cooper pairs. They further introduce Shiva diagrams as a graphic support to grasp the many-body physics induced by fermion exchange in the absence of fermion-fermion interaction - a novel mechanism not visualized by standard Feynman diagrams. Advanced undergraduate or graduate students in physics with no specific background will benefit from this book. The developed concepts and formalism should also be useful for current research on ultracold atomic gases and exciton-polaritons, and quantum information.
Condensation and pattern formation in cold exciton gases in
Department of Physics, University of California at San Diego, San Diego, CA, USA excitons a model system for studies of collective states and many-body to Cooper pairs and the exciton condensate, called the excitonic acting Bose gas in two dimensions (n is the density, m is the boson mass, and a
Previous seminars in Kapitza Institute for Physical Problems
In a two-stage procedure, a renormalization group calculation based on the In order to describe physical effects involving excitons in a convenient way, phase possibly being a BCS condensate of «electron-hole Cooper pairs». F. DUBIN, The many-body physics of composite bosons, Physics Report 463, 215 ( 2008).
Full text of ""Gray" BCS condensate of excitons and internal
Made of two fermions, they are bosonic par- ticles. So, many- body effects controlled by the dimensionless parameter 77 = N(ax I L) D where N The exciton composite nature also appears through the fact that excitons come in two electrons pro- duces a BCS condensate of Cooper pairs in standard su- perconductivity.
Cooper pair - Wikipedia, the free encyclopedia
In condensed matter physics, a Cooper pair or BCS pair is a pair of electrons (or Electrons have spin-⁄2, so they are fermions, but a Cooper pair is a composite boson The gap appears due to many-body effects between electrons feeling the mechanisms based on other attractive interactions such as electron–exciton
Exciton-polariton condensates : Nature Physics : Nature Publishing
Various aspects of the physics of exciton-polariton condensates are now reviewed. Superconductivity, viewed as a condensation of Cooper pairs, allows a virtue of being composite particles made of two fermions, obey bosonic statistics as where complex quantum many-body systems are realized which are beyond
High-temperature superfluidity with indirect excitons in van - arXiv
bosons (atoms, molecules, Cooper pairs) made of an even number of fermions. 1Department of Physics, University of California San Diego, La Jolla, 9500 Gilman Drive, posed from an electron and a hole located in two different MoS2 gous to a coherent state of indirect excitons in other 2D systems.
Exciton many-body effects and Bose-Einstein condensation
Exciton many-body effects and Bose-Einstein condensation dense phase possibly being a BCS condensate of «electron-hole Cooper pairs». The many-body physics of composite bosons, Physics Report 463, 215 (2008). [2] M. COMBESCOT, O. BETBEDER-MATIBET, General many-body formalism for
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