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Macromolecular Crystallization and Crystal Perfection

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.001.0001
Subject:
Physics, Crystallography: Physics

Structural crystallography provides key information to understand the mechanism involved for biological processes. The technique requires high‐quality crystals. The book Macromolecular ... More


Diffuse scattering – thermal, short-range order, gaseous, liquid, and amorphous scattering

Erich H. Kisi and Christopher J. Howard

in Applications of Neutron Powder Diffraction

Published in print:
2008
Published Online:
January 2009
ISBN:
9780198515944
eISBN:
9780191705663
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198515944.003.0010
Subject:
Physics, Condensed Matter Physics / Materials

This chapter deals with diffuse scattering attributable to departures from perfect crystallinity and from gaseous, liquid, or amorphous states. First, the way in which thermal vibration of atoms ... More


Introduction

Naomi E. Chayen, John R. Helliwell, and Edward H. Snell

in Macromolecular Crystallization and Crystal Perfection

Published in print:
2010
Published Online:
May 2010
ISBN:
9780199213252
eISBN:
9780191707575
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199213252.003.0001
Subject:
Physics, Crystallography: Physics

Macromolecules are the machinery of life and their function is determined by their 3D structure. Visual observation with a light microscope is not possible as the sizes of macromolecules are well ... More


Interacting Fermion Systems

Xiao-Gang Wen

in Quantum Field Theory of Many-Body Systems: From the Origin of Sound to an Origin of Light and Electrons

Published in print:
2007
Published Online:
February 2010
ISBN:
9780199227259
eISBN:
9780191713019
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199227259.003.05
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter first studies the interaction effect of a Fermi sea on a single particle propagator and the related phenomenon of orthogonality catastrophe in X-ray spectrum. It then looks at a weakly ... More


CHEMICAL LOCALIZATION

V.F. Gantmakher

in Electrons and Disorder in Solids

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198567561
eISBN:
9780191718267
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567561.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter presents an analysis of experimental data which shows that the metal-insulator transition is possible in materials composed of atoms of only metallic elements. Such a transition may ... More


MORE EXPERIMENTS ON SINGLE-MOLECULE MAGNETS

Dante Gatteschi, Roberta Sessoli, and Jacques Villain

in Molecular Nanomagnets

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198567530
eISBN:
9780191718298
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567530.003.0013
Subject:
Physics, Condensed Matter Physics / Materials

This chapter describes sophisticated measurements reported on the archetypal SMM, which allows for a more detailed understanding of their properties. Firstly this chapter discusses the role of fourth ... More


Order/Disorder in Soft Matter

Wim H. de Jeu

in Basic X-Ray Scattering for Soft Matter

Published in print:
2016
Published Online:
June 2016
ISBN:
9780198728665
eISBN:
9780191795442
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198728665.003.0003
Subject:
Physics, Crystallography: Physics, Soft Matter / Biological Physics

This chapter is, to some extent, an intermezzo. Having discussed essentially disordered systems in the previous chapter, and before coming to ordered crystals in the next one, the various types of ... More


Long-range Order, Symmetry Breaking, and Order Parameter

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/9780198758884.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

This chapter introduces the fundamental concepts of off-diagonal long-range order, breaking of gauge symmetry, and order parameter, which underlie the concept of Bose–Einstein condensation. The ... More


Superfluidity and Superconductivity

Norman J. Morgenstern Horing

in Quantum Statistical Field Theory: An Introduction to Schwinger's Variational Method with Green's Function Nanoapplications, Graphene and Superconductivity

Published in print:
2017
Published Online:
January 2018
ISBN:
9780198791942
eISBN:
9780191834165
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198791942.003.0013
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 13 addresses Bose condensation in superfluids (and superconductors), which involves the field operator ψ‎ having a c-number component (<ψ(x,t)>≠0), challenging number conservation. The ... More


A-15 superconductors

A.V. Narlikar

in Superconductors

Published in print:
2014
Published Online:
June 2014
ISBN:
9780199584116
eISBN:
9780191747496
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199584116.003.0009
Subject:
Physics, Condensed Matter Physics / Materials

This chapter describes the prominent characteristics of A-15 superconductors, which constitute the second generation of low-temperature conductors, extensively used to supplement and boost the ... More


Periodicity, symmetry and crystallography

D. S. Sivia

in Elementary Scattering Theory: For X-ray and Neutron Users

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199228676
eISBN:
9780191775116
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199228676.003.0007
Subject:
Physics, Condensed Matter Physics / Materials, Crystallography: Physics

This chapter delves into the crystalline state – the one occupying the top position in the hierarchy of the phases of matter. A look at elastic scattering with a consideration of the crystalline ... More


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