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Ions and electrons in liquid helium

Armando Francesco Borghesani

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199213603
eISBN:
9780191707421
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213603.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

In liquid helium, an electron is surrounded by a cavity called an electron bubble of 20 Ångstroms in diameter. A positive helium ion is solvated by an electrostriction induced solid helium-ice shell ... More


IONS AND ELEMENTARY EXCITATIONS

A.F. Borghesani

in Ions and electrons in liquid helium

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199213603
eISBN:
9780191707421
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213603.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

This chapter introduces the concept of drift mobility and its relationship with the elementary excitations of the superfluid.


RECOLLECTIONS

Elias Burstein

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

This chapter includes recollections by Elias Burstein about his meetings with L. V. Keldysh in 1960s. It describes research links between US and USSR condensed matter physicists over four decades ... More


Electron-Phonon Interactions in Low-Dimensional Structures

Lawrence Challis (ed.)

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198507321
eISBN:
9780191709319
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507321.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

The study of electrons and holes confined to two, one, and even zero dimensions has uncovered a rich variety of new physics and applications. This book describes the interaction between these ... More


Nuclear Structure from a Simple Perspective

Richard F. Casten

Published in print:
2001
Published Online:
January 2010
ISBN:
9780198507246
eISBN:
9780191709333
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507246.001.0001
Subject:
Physics, Nuclear and Plasma Physics

This textbook on nuclear structure takes a unique and complementary approach compared to existing texts on the topic. Avoiding complicated calculations and complex mathematical formalism, it explains ... More


Introduction

L.J. Challis

in Electron-Phonon Interactions in Low-Dimensional Structures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198507321
eISBN:
9780191709319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507321.003.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

While the physics of low-dimensional structures mainly involves their electronic properties, an understanding of the interaction between the electrons and holes and the phonons present within and ... More


PHONON-PHONON INTERACTION

J. M. Ziman

in Electrons and Phonons: The Theory of Transport Phenomena in Solids

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507796
eISBN:
9780191709937
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507796.003.0003
Subject:
Physics, Condensed Matter Physics / Materials

This chapter begins with a discussion of the general theory of transition possibilities. It then discusses anharmonic lattice forces, effects of selection rules, interaction with optical modes, ... More


ELECTRON-PHONON INTERACTION

J. M. Ziman

in Electrons and Phonons: The Theory of Transport Phenomena in Solids

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507796
eISBN:
9780191709937
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507796.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

This chapter examines the interaction between an electron, conceived to be in a particular state described by a wave function, and a lattice vibration, described by a phonon eigenstate. Topics ... More


Phonon-assisted tunnelling

F.F. Ouali and L.J. Challis

in Electron-Phonon Interactions in Low-Dimensional Structures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198507321
eISBN:
9780191709319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507321.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the roles of phonon-assisted tunnelling and, to a lesser extent, phonon scattering, in two related types of low-dimensional semiconducting structures: resonant tunnelling ... More


4 Phonons and their participation in optical phenomena

Ivan Pelant and Jan Valenta

in Luminescence Spectroscopy of Semiconductors

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199588336
eISBN:
9780191738548
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199588336.003.0004
Subject:
Physics, Atomic, Laser, and Optical Physics

Description of phonons and their participation in optical phenomena deals with the electron–phonon and exciton–phonon interactions, effects being crucial for understanding the luminescence processes ... More


Metals and quantum wires

Helmut Hofmann

in The Physics of Warm Nuclei: with Analogies to Mesoscopic Systems

Published in print:
2008
Published Online:
September 2008
ISBN:
9780198504016
eISBN:
9780191708480
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198504016.003.0015
Subject:
Physics, Nuclear and Plasma Physics

This chapter discusses conductivity in metals and semiconductor heterostructures. It aims to exhibit the similarities to nuclear transport problems. Semi-classical transport equations are used and ... More


Nonstationary Theory

Nikolai B. Kopnin

in Theory of Nonequilibrium Superconductivity

Published in print:
2001
Published Online:
January 2010
ISBN:
9780198507888
eISBN:
9780191709722
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507888.003.08
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter considers two methods designed for calculating the real-time (retarded, advanced, and Keldysh) Green functions of nonstationary superconductors: (i) the method of analytical continuation ... More


ELECTRON–HOLE LIQUID IN SEMICONDUCTORS

N. N. Sibeldin

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0016
Subject:
Physics, Condensed Matter Physics / Materials

This chapter reviews an electron-hole liquid. This very interesting phase — observed mainly in bulk indirect semiconductors, Ge and Si — was thoroughly investigated in the late 1960s to mid 1980s. ... More


ACOUSTICALLY INDUCED SUPERLATTICES: FROM PHOTONS AND ELECTRONS TO EXCITONS, TO-PHONONS AND POLARITONS

A. L. Ivanov

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0019
Subject:
Physics, Condensed Matter Physics / Materials

This chapter reviews the recently proposed concept of resonant acousto-optics, when interaction between the light and acoustic waves is mediated and strongly enhanced by the polarization field ... More


Phonon drag thermopower of low-dimensional systems

R. Fletcher, E. Zaremba, and U. Zeitler

in Electron-Phonon Interactions in Low-Dimensional Structures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198507321
eISBN:
9780191709319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507321.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter reviews the experimental and theoretical literature on phonon drag thermopower in reduced dimensionality conductors, particularly in the two-dimensional (2-D) case. It emphasizes the ... More


Exciton–phonon interaction in quantum wells

A.V Akimov

in Electron-Phonon Interactions in Low-Dimensional Structures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198507321
eISBN:
9780191709319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507321.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the interaction of two-dimensional excitons with phonons. The specific feature of the exciton-phonon interaction is the importance of both electrons and holes coupled by ... More


MOBILITY IN SEMICONDUCTORS

J. M. Ziman

in Electrons and Phonons: The Theory of Transport Phenomena in Solids

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507796
eISBN:
9780191709937
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507796.003.0010
Subject:
Physics, Condensed Matter Physics / Materials

This chapter considers the transport properties of charge carriers in semiconductors and near-insulators. That is, it discusses in detail the mobility and thermopower associated with a given density ... More


SIZE AND SURFACE EFFECTS

J. M. Ziman

in Electrons and Phonons: The Theory of Transport Phenomena in Solids

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507796
eISBN:
9780191709937
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507796.003.0011
Subject:
Physics, Condensed Matter Physics / Materials

This chapter begins with a discussion of the limitation of the mean free path. It then discusses the boundary scattering of phonons, electrical conductivity of thin wires and films, the ... More


SUPERFLUIDITY AND CHARGE CARRIERS

A.F. Borghesani

in Ions and electrons in liquid helium

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199213603
eISBN:
9780191707421
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213603.003.0001
Subject:
Physics, Condensed Matter Physics / Materials

This chapter briefly summarizes the main features of superfluid helium. The Landau velocity criterion for the onset of superfluidity is discussed, and the spectrum of the elementary excitations is ... More


TRANSPORT PROPERTIES OF CHARGE CARRIERS AT LOW TEMPERATURE

A.F. Borghesani

in Ions and electrons in liquid helium

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199213603
eISBN:
9780191707421
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213603.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

This chapter describes the main experimental techniques used to measure the drift velocity in superfluid 4He at low temperature. The experimental results are then presented by showing the ... More


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