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An introduction to superfluidity and superconductivity

K. H. Bennemann and J. B. Ketterson

in Novel Superfluids: Volume 1

Published in print:
2013
Published Online:
May 2013
ISBN:
9780199585915
eISBN:
9780191747526
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199585915.003.0001
Subject:
Physics, Nuclear and Plasma Physics

This chapter covers some of the basics of superfluidity. It discusses Bose–Einstein condensation in an ideal gas; the Bogoliubov transformation; superfluid helium II; microscopic interpretation of ... More


The Casimir Effect For Two Ideal-Metal Planes

M. Bordag, G. L. Klimchitskaya, U. Mohideen, and V. M. Mostepanenko

in Advances in the Casimir Effect

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199238743
eISBN:
9780191716461
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238743.003.0007
Subject:
Physics, Condensed Matter Physics / Materials, Atomic, Laser, and Optical Physics

This chapter considers the simple but most important configuration of two parallel ideal-metal planes. First, the theory of the scalar and electromagnetic Casimir effects between parallel planes is ... More


Superfluids

Tom Lancaster and Stephen J. Blundell

in Quantum Field Theory for the Gifted Amateur

Published in print:
2014
Published Online:
June 2014
ISBN:
9780199699322
eISBN:
9780191779435
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199699322.003.0043
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The first condensed matter physics example is the superfluid. The chapter shows how an approximation due to Bogoliubov allows weakly interacting Bose systems to be treated. The quasiparticles are ... More


Weakly Interacting Bose Gas

Lev Pitaevskii and Sandro Stringari

in Bose-Einstein Condensation and Superfluidity

Published in print:
2016
Published Online:
March 2016
ISBN:
9780198758884
eISBN:
9780191818721
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198758884.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

This chapter develops the mean-field Bogoliubov theory of the weakly interacting Bose–Einstein condensed gas. Results for the ground state energy, momentum distribution, and excitation spectrum are ... More


Canonical Transformations

Bryan J. Dalton, John Jeffers, and Stephen M. Barnett

in Phase Space Methods for Degenerate Quantum Gases

Published in print:
2014
Published Online:
April 2015
ISBN:
9780199562749
eISBN:
9780191747311
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562749.003.0006
Subject:
Physics, Condensed Matter Physics / Materials, Atomic, Laser, and Optical Physics

This chapter focuses on linear canonical unitary transformations of mode annihilation and creation operators, both for bosons and for fermions. The generators of such transformations (which form a ... More


Temporal and spectral properties of quantum light

Birgit Stiller, Ulrich Seyfarth, and Gerd Leuchs

in Quantum Optics and Nanophotonics

Published in print:
2017
Published Online:
August 2017
ISBN:
9780198768609
eISBN:
9780191822353
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198768609.003.0004
Subject:
Physics, Atomic, Laser, and Optical Physics, Particle Physics / Astrophysics / Cosmology

This chapter starts from the classical optics description of a light field and its spectral densities, their measurement, and their interpretation, and discusses how these aspects are related to the ... More


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