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Selection rules for electric dipole transitions

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

The quantum-mechanical selection rules for electric dipole radiative transitions between atomic energy levels are derived, firstly for one-electron atoms without spin, and then including spin angular ... More


CPT AND SPIN STATISTICS

M. S. Sozzi

in Discrete Symmetries and CP Violation: From Experiment to Theory

Published in print:
2007
Published Online:
January 2008
ISBN:
9780199296668
eISBN:
9780191712074
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199296668.003.0005
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter discusses two ‘sacred’ principles in the current framework of physics, which are really fundamental cornerstones of the present theories: the CPT theorem and the spin-statistics ... More


Symmetry and Elements of Group Theory

Wai-Kee Li, Gong-Du Zhou, and Thomas Chung Wai Mak

in Advanced Structural Inorganic Chemistry

Published in print:
2008
Published Online:
May 2008
ISBN:
9780199216949
eISBN:
9780191711992
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199216949.003.0006
Subject:
Physics, Crystallography: Physics

This chapter covers the rudiments of group theory, with emphasis on the use of the character tables of molecular point groups. The chapter begins with the identification of the symmetry elements a ... More


Explaining Change in Party Leadership Selection Rules

Mihail Chiru, Anika Gauja, Sergiu Gherghina, and Juan Rodríguez-Teruel

in The Politics of Party Leadership: A Cross-National Perspective

Published in print:
2015
Published Online:
January 2016
ISBN:
9780198748984
eISBN:
9780191811623
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198748984.003.0003
Subject:
Political Science, Comparative Politics

Party leadership selection rules are a relevant type of organizational change owing to their functional importance, their visibility, and their broader applicability to the party organization as a ... More


7 Luminescence of excitons

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/9780199588336.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

Luminescence of excitons’ treats in a comprehensive way a series of luminescence manifestations of bound electron–hole pairs, i.e. excitons. First, the concept of a free Wannier exciton is introduced ... More


12 Electronic structure and luminescence of low-dimensional semiconductors

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/9780199588336.003.0012
Subject:
Physics, Atomic, Laser, and Optical Physics

Unlike all of the previous chapters, this one is devoted to low-dimensional semiconductor structures (quantum wells, quantum wires and quantum dots-nanocrystals). Basic classification of these ... More


Candidate Selection Rules and Democratic Outcomes: The Impact of Parties on Women’s Representation

Scott Pruysers, William P. Cross, Anika Gauja, and Gideon Rahat

in Organizing Political Parties: Representation, Participation, and Power

Published in print:
2017
Published Online:
July 2017
ISBN:
9780198758631
eISBN:
9780191818554
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198758631.003.0009
Subject:
Political Science, Comparative Politics

Using data from the Political Party Database, this chapter analyses the impact of the internal structures and rules of political parties on women’s representation (conceptualized as the number of ... More


Quantum confinement and monolayer semiconductors

Sandip Tiwari

in Semiconductor Physics: Principles, Theory and Nanoscale

Published in print:
2020
Published Online:
November 2020
ISBN:
9780198759867
eISBN:
9780191820830
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198759867.003.0020
Subject:
Physics, Condensed Matter Physics / Materials

This chapter brings together several themes and perspectives by exploring them in quantum-confined conditions or in monolayer crystals. In it, confinement of electrons and holes at heterostructure ... More


Guiding Principles

Anthony Duncan and Michel Janssen

in Constructing Quantum Mechanics: Volume 1: The Scaffold: 1900-1923

Published in print:
2019
Published Online:
October 2019
ISBN:
9780198845478
eISBN:
9780191880681
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198845478.003.0005
Subject:
Physics, History of Physics, Theoretical, Computational, and Statistical Physics

The development of the complex of assumptions and methods now referred to as the “old quantum theory” mainly took place in the first five years following the introduction of the Bohr atomic model in ... More


States and Operators

Bryan J. Dalton, John Jeffers, and Stephen M. Barnett

in Phase Space Methods for Degenerate Quantum Gases

Published in print:
2014
Published Online:
April 2015
ISBN:
9780199562749
eISBN:
9780191747311
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562749.003.0002
Subject:
Physics, Condensed Matter Physics / Materials, Atomic, Laser, and Optical Physics

This chapter sets out the second-quantisation treatment for systems of identical bosons or fermions. Key features such as the symmetrisation principle and super-selection rules are presented. ... More


Content: Constitutional Rewrites and Changes in Presidential Powers

Javier Corrales

in Fixing Democracy: How Power Asymmetries Help Explain Presidential Powers in New Constitutions, Evidence from Latin America

Published in print:
2018
Published Online:
June 2018
ISBN:
9780190868895
eISBN:
9780190869380
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190868895.003.0004
Subject:
Political Science, Comparative Politics

This chapter provides the broadest evidence on behalf of my power asymmetry argument. It begins by discussing my index of presidential powers (the dependent variable), which draws heavily from ... More


The Law of Obligations: Foreign Contracts and Foreign Torts

V.C. Govindaraj

in Private International Law: A Case Study

Published in print:
2018
Published Online:
January 2019
ISBN:
9780199489282
eISBN:
9780199095292
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199489282.003.0003
Subject:
Law, Private International Law

Professor Dicey in England and Beale in the United states propounded the ‘jurisdiction selection’ rule, according to which the law to govern a foreign contract is the law of the country where the ... More


Marginalization of Women and Male Privilege in Political Representation in Uruguay

Niki Johnson

in Gender and Representation in Latin America

Published in print:
2018
Published Online:
February 2018
ISBN:
9780190851224
eISBN:
9780190851262
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190851224.003.0010
Subject:
Political Science, Comparative Politics, Democratization

Niki Johnson shows that despite Uruguay being an institutionalized democracy, women have struggled to make numerical progress in politics. Formal and informal institutions that are inherently ridden ... More


Solutions to Schrödinger’s equation

Ian R. Kenyon

in Quantum 20/20: Fundamentals, Entanglement, Gauge Fields, Condensates and Topology

Published in print:
2019
Published Online:
November 2019
ISBN:
9780198808350
eISBN:
9780191846052
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198808350.003.0002
Subject:
Physics, Theoretical, Computational, and Statistical Physics, Particle Physics / Astrophysics / Cosmology

Eigenstates of the square well potential are calculated and displayed. Barrier penetration and the connection to total internal reflection are explained. α‎–decay by barrier penetration is calculated ... More


Small oscillations of systems with several degrees of freedom

Gleb L. Kotkin and Valeriy G. Serbo

in Exploring Classical Mechanics: A Collection of 350+ Solved Problems for Students, Lecturers, and Researchers - Second Revised and Enlarged English Edition

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198853787
eISBN:
9780191888236
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198853787.003.0006
Subject:
Physics, Condensed Matter Physics / Materials

This chapter addresses the free and forced oscillations of simple systems (with two or three degrees of freedom), the free oscillations of systems with the degenerate frequencies, and the ... More


Small oscillations of systems with several degrees of freedom

Gleb L. Kotkin and Valeriy G. Serbo

in Exploring Classical Mechanics: A Collection of 350+ Solved Problems for Students, Lecturers, and Researchers - Second Revised and Enlarged English Edition

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198853787
eISBN:
9780191888236
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198853787.003.0019
Subject:
Physics, Condensed Matter Physics / Materials

This chapter addresses the free and forced oscillations of simple systems (with two or three degrees of freedom), the free oscillations of systems with the degenerate frequencies, and the ... More


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