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Andreev reflection at ferromagnet/superconductor interfaces

H. Imamura, S. Takahashi, and S. Maekawa

in Concepts in Spin Electronics

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198568216
eISBN:
9780191718212
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568216.003.0009
Subject:
Physics, Condensed Matter Physics / Materials

Andreev reflection is a scattering process where electrical current is converted to supercurrent where there is an interface between a normal metal and a superconductor. Recently, much attention has ... More


Concepts in Spin Electronics

Sadamichi Maekawa (ed.)

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198568216
eISBN:
9780191718212
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568216.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

Nowadays, information technology is based on semiconductor and ferromagnetic materials. Information processing and computation are performed using electron charge in semiconductor transistors and ... More


Introduction to superconductivity

Tero T. Heikkilä

in The Physics of Nanoelectronics: Transport and Fluctuation Phenomena at Low Temperatures

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199592449
eISBN:
9780191747618
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199592449.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the main phenomena related to superconductivity. It explains the basics of the BCS theory and applies it in calculating the superconducting density of states and describing the ... More


Casimir Effect and Vacuum Energy

VOLOVIK GRIGORY E.

in The Universe in a Helium Droplet

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199564842
eISBN:
9780191709906
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199564842.003.0029
Subject:
Physics, Condensed Matter Physics / Materials, Particle Physics / Astrophysics / Cosmology

This chapter opens the part of the book devoted to quantum vacuum in non-trivial gravitational background and to vacuum energy. There are several macroscopic phenomena, which can be directly related ... More


Coherent exciton transport in semiconductors

Massimo Rontani and L. J. Sham

in Novel Superfluids: Volume 2

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198719267
eISBN:
9780191788529
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198719267.003.0008
Subject:
Physics, Condensed Matter Physics / Materials

After reviewing the physical systems that may host exciton condensation, this chapter illustrates some recent proposals concerning the detection of coherent exciton flow. It focuses on the exciton ... More


Spin polarization in magnets

K. Takanashi and Y. Sakuraba

in Spin Current

Published in print:
2017
Published Online:
December 2017
ISBN:
9780198787075
eISBN:
9780191829147
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787075.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

This chapter explains how the exchange splitting between up- and down-spin bands in ferromagnets unexceptionally generates spin-polarized electronic states at the Fermi energy. The quantity of spin ... More


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