A pedestrian introduction to coherent and squeezed states

This review is intended for readers who want to have a quick understanding on the theoretical underpinnings of coherent states and squeezed states which are conventionally generated from the prototype harmonic oscillator but not always restricting to it. Noting that the treatments of building up suc...

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Published inInternational journal of modern physics. A, Particles and fields, gravitation, cosmology Vol. 35; no. 19; p. 2030011
Main Authors Bagchi, Bijan, Ghosh, Rupamanjari, Khare, Avinash
Format Journal Article
LanguageEnglish
Published Singapore World Scientific Publishing Company 10.07.2020
World Scientific Publishing Co. Pte., Ltd
Subjects
Harmonic oscillators
Physics
Squeezed states (quantum theory)
phase operator
squeezed states
Bogoliubov transformation
Coherent states
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Summary:This review is intended for readers who want to have a quick understanding on the theoretical underpinnings of coherent states and squeezed states which are conventionally generated from the prototype harmonic oscillator but not always restricting to it. Noting that the treatments of building up such states have a long history, we collected the important ingredients and reproduced them from a fresh perspective but refrained from delving into detailed derivation of each topic. By no means we claim a comprehensive presentation of the subject but have only tried to recapture some of the essential results and pointed out their interconnectivity.
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ISSN:0217-751X
1793-656X
DOI:10.1142/S0217751X20300112