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The Martians of Science: Five Physicists Who Changed the Twentieth Century

István Hargittai

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195178456
eISBN:
9780199787012
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195178456.001.0001
Subject:
Physics, History of Physics

Five men born at the turn of the 20th century in Budapest: Theodore von Kármán, Leo Szilard, Eugene Wigner, John von Neumann, and Edward Teller, became a special group often referred to as the ... More


BROADENING OF SPECTRAL LINES

Takashi Fujimoto

in Plasma Spectroscopy

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198530282
eISBN:
9780191713149
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198530282.003.0007
Subject:
Physics, Nuclear and Plasma Physics

The Doppler broadening, the natural broadening, and the quasi-static broadening are introduced. The last broadening is due to the Stark effect in the Holtsmark micro-field with the Debye shielding. ... More


Electron deficient molecules: three-center, two-electron bonds

Arne Haaland

in Molecules and Models: The molecular structures of main group element compounds

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199235353
eISBN:
9780191715594
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199235353.003.0012
Subject:
Physics, Condensed Matter Physics / Materials

Molecules containing less than two valence electrons per bond are referred to as electron deficient. The simplest such molecule is the trigonal trihydrogen cation (H3 +). The ... More


Being Martian

István Hargittai

in The Martians of Science: Five Physicists Who Changed the Twentieth Century

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195178456
eISBN:
9780199787012
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195178456.003.0006
Subject:
Physics, History of Physics

To understand the Martians, it helps to compare them with their contemporaries, like Enrico Fermi and Robert Oppenheimer. Both Szilard and Fermi worked on the applications of physical discoveries for ... More


THE R-CENTRE

A.M. Stoneham

in Theory of Defects in Solids: Electronic Structure of Defects in Insulators and Semiconductors

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507802
eISBN:
9780191709920
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507802.003.0017
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the Jahn-Teller effect together with many of the issues of two-electron centres. It discusses electronic structure of the R-centre, the Kern-Bartram model, wavefunctions, ... More


BOUND EXCITONS

A.M. Stoneham

in Theory of Defects in Solids: Electronic Structure of Defects in Insulators and Semiconductors

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507802
eISBN:
9780191709920
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507802.003.0026
Subject:
Physics, Condensed Matter Physics / Materials

In an exciton, there is a correlated motion of an electron and a hole. If the exciton encounters a defect, it may be trapped, retaining some of its exciton character. The behaviour of this complex ... More


VACANCIES IN VALENCE CRYSTALS

A.M. Stoneham

in Theory of Defects in Solids: Electronic Structure of Defects in Insulators and Semiconductors

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507802
eISBN:
9780191709920
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507802.003.0027
Subject:
Physics, Condensed Matter Physics / Materials

Vacancies in diamond and silicon are classic defects in irradiated crystals. They are complicated because of the Jahn-Teller effect and the electronic correlation, and only recently have the ... More


Satellite Networks and Services: Solutions for Pan-India Coverage

Varadharajan Sridhar

in The Telecom Revolution in India: Technology, Regulation, and Policy

Published in print:
2011
Published Online:
September 2012
ISBN:
9780198075530
eISBN:
9780199081042
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198075530.003.0007
Subject:
Economics and Finance, Development, Growth, and Environmental

This chapter describes the technologies, market structure, and regulatory issues of Very Small Aperture Terminals (VSATs). These networks if interconnected to other networks such as the Public ... More


LATTICE DISTORTION FOR DEFECT SYSTEMS

A.M. Stoneham

in Theory of Defects in Solids: Electronic Structure of Defects in Insulators and Semiconductors

Published in print:
2001
Published Online:
September 2007
ISBN:
9780198507802
eISBN:
9780191709920
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507802.003.0008
Subject:
Physics, Condensed Matter Physics / Materials

The way a defect or impurity displaces atoms in its vicinity is crucial to many defect properties. This chapter discusses four important generic situations in detail: (a) the static distortions and ... More


Equilibrium and Non-Equilibrium Collisional Regimes

Raymond Brun

in Introduction to Reactive Gas Dynamics

Published in print:
2009
Published Online:
May 2009
ISBN:
9780199552689
eISBN:
9780191720277
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199552689.003.0003
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter defines collisional regimes of gaseous flows, including equilibrium and non-equilibrium situations which are described with Euler equations. It examines monatomic and diatomic gas flows, ... More


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