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Structure Functions And Parton Distributions

GÜNTHER DISSERTORI, IAN G. KNOWLES, and MICHAEL SCHMELLING

in Quantum Chromodynamics: High Energy Experiments and Theory

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199566419
eISBN:
9780191708060
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199566419.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter presents the determination of structure functions and parton distributions from deep inelastic lepton-nucleon scattering, both for the case of charged lepton-nucleon and the case of ... More


The bond valence model

I. David Brown

in The Chemical Bond in Inorganic Chemistry: The Bond Valence Model

Published in print:
2006
Published Online:
January 2010
ISBN:
9780199298815
eISBN:
9780191708879
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199298815.003.0003
Subject:
Physics, Crystallography: Physics

The electrostatic flux of a bond is identified with the bond valence. As bonds become shorter, the electrostatic flux linking them increases, so that the bond length can be used to estimate the bond ... More


The quark-parton model

Robin Devenish and Amanda Cooper-Sarkar

in Deep Inelastic Scattering

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198506713
eISBN:
9780191709562
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506713.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter introduces the quark-parton model (QPM). The cross-section expressions for point-like elastic electron-quark and quasi-elastic neutrino-quark scattering are developed. The full ... More


Tunneling Matrix Elements

C. Julian Chen

in Introduction to Scanning Tunneling Microscopy: Second Edition

Published in print:
2007
Published Online:
September 2007
ISBN:
9780199211500
eISBN:
9780191705991
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211500.003.0003
Subject:
Physics, Condensed Matter Physics / Materials

This chapter presents systematic methods to evaluate the tunneling matrix elements in the Bardeen tunneling theory. A key problem in applying the Bardeen tunneling theory to STM is the evaluation of ... More


The Development Of QCD

GÜNTHER DISSERTORI, IAN G. KNOWLES, and MICHAEL SCHMELLING

in Quantum Chromodynamics: High Energy Experiments and Theory

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199566419
eISBN:
9780191708060
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199566419.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter reviews and puts into context the experiments which lead to the formulation of QCD. Starting from the static quark model, the phenomenology of deep inelastic scattering processes is ... More


Linear Response Function

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/9780198758884.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter develops the formalism of linear response function, dynamic structure factor, dynamic polarizability, and sum rules. The behaviour of the density response function in a superfluid is ... More


Magnetic Scattering: General Properties

Andrew T. Boothroyd

in Principles of Neutron Scattering from Condensed Matter

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862314
eISBN:
9780191895081
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862314.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics, Condensed Matter Physics / Materials

The basic theory of magnetic scattering is presented. A response function for magnetic scattering is defined, and expressed in terms partial response functions. The relation between the partial ... More


Dynamics of a Trapped Condensate

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/9780198758884.003.0012
Subject:
Physics, Condensed Matter Physics / Materials

This chapter provides a general discussion of the dynamic behaviour characterizing a harmonically trapped interacting Bose gas. Explicit results for the frequencies of the collective oscillations ... More


Landau’s Theory of a Fermi Liquid

J. B. Ketterson

in The Physics of Solids

Published in print:
2016
Published Online:
December 2016
ISBN:
9780198742906
eISBN:
9780191821523
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198742906.003.0037
Subject:
Physics, Condensed Matter Physics / Materials

This chapter analyses Landau’s Fermi liquid theory. A fundamental postulate of Landau’s Fermi liquid theory is that quasiparticle energies are a function of the momentum, p, and that the momentum, ... More


In the Vicinity of the Critical Points

Giuseppe Mussardo

in Statistical Field Theory: An Introduction to Exactly Solved Models in Statistical Physics

Published in print:
2020
Published Online:
May 2020
ISBN:
9780198788102
eISBN:
9780191830082
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198788102.003.0015
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 15 introduces the notion of the scaling region near the critical points, identified by the deformations of the critical action by means of the relevant operators. The renormalization group ... More


Kinematical Theory of Scattering

Andrew T. Boothroyd

in Principles of Neutron Scattering from Condensed Matter

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862314
eISBN:
9780191895081
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862314.003.0003
Subject:
Physics, Atomic, Laser, and Optical Physics, Condensed Matter Physics / Materials

The chapter introduces the kinematical theory of scattering, which is based on the Born approximation. It is shown that the neutron scattering response function can be written as the time Fourier ... More


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