Quantum Infrared Physics
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Quantum Infrared Physics
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Author : Herbert Martin Fried
language : en
Publisher: World Scientific
Release Date : 1995-05-09
Quantum Infrared Physics written by Herbert Martin Fried and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05-09 with categories.
The common thread of the contributions collected here is an infrared approach to pressing problems in quantum field theory. Both high and low energy physics are represented, with much emphasis on QCD (Gribov horizons, infrared models, semiclassical applications, and effective Lagrangians). Other fields of interest are thermal infrared singularities, soft Pomeron physics, eikonal scattering phenomenology and the physics of bound states.
Quantum Infrared Physics
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Author : H. M. Fried
language : en
Publisher:
Release Date : 1994-12-28
Quantum Infrared Physics written by H. M. Fried and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-12-28 with categories.
Proceedings Of The Workshop On Quantum Infrared Physics
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Author :
language : en
Publisher:
Release Date : 1995
Proceedings Of The Workshop On Quantum Infrared Physics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Quantum chromodynamics categories.
The Physics Of Quantum Well Infrared Photodetectors
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Author : Kwong-kit Choi
language : en
Publisher: World Scientific
Release Date : 1997-06-12
The Physics Of Quantum Well Infrared Photodetectors written by Kwong-kit Choi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-06-12 with Science categories.
In the past, infrared imaging has been used exclusively for military applications. In fact, it can also be useful in a wide range of scientific and commercial applications. However, its wide spread use was impeded by the scarcity of the imaging systems and its high cost. Recently, there is an emerging infrared technology based on quantum well intersubband transition in III-V compound semiconductors. With the new technology, these impedances can be eliminated and a new era of infrared imaging is in sight. This book is designed to give a systematic description on the underlying physics of the new detectors and other issues related to infrared imaging.
Quantum Well Infrared Photodetectors
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Author : Harald Schneider
language : en
Publisher: Springer
Release Date : 2006-10-18
Quantum Well Infrared Photodetectors written by Harald Schneider and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-10-18 with Science categories.
Addressed to both students as a learning text and scientists/engineers as a reference, this book discusses the physics and applications of quantum-well infrared photodetectors (QWIPs). It is assumed that the reader has a basic background in quantum mechanics, solid-state physics, and semiconductor devices. To make this book as widely accessible as possible, the treatment and presentation of the materials is simple and straightforward. The topics for the book were chosen by the following criteria: they must be well-established and understood; and they should have been, or potentially will be, used in practical applications. The monograph discusses most aspects relevant for the field but omits, at the same time, detailed discussions of specialized topics such as the valence-band quantum wells.
Towards Infrared Finite S Matrix In Quantum Field Theory
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Author : Hayato Hirai
language : en
Publisher: Springer Nature
Release Date : 2021-07-17
Towards Infrared Finite S Matrix In Quantum Field Theory written by Hayato Hirai and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-17 with Science categories.
This book presents the better understanding of infrared structures of particle scattering processes in quantum electrodynamics (QED) in four-dimensional spacetime. An S-matrix is the fundamental quantity in scattering theory. However, if a theory involves massless particles, such as QED and gravity, the conventional S-matrix has not been well defined due to the infrared divergence, and infrared dynamics thus needs to be understood in-depth to figure out the S-matrix. The book begins with introducing fundamental nature of the charge conservation law associated with asymptotic symmetry, and explaining its relations to soft theorems and memory effect. Subsequently it looks into an appropriate asymptotic state of the S-matrix without infrared divergences. The Faddeev-Kulish dressed state is known as a candidate of such a state, and its gauge invariant condition and its relation to the asymptotic symmetry are discussed. It offers an important building blocks for constructing the S-matrix without infrared divergences.
Advances In Research And Development
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Author :
language : en
Publisher: Elsevier
Release Date : 1995-11-22
Advances In Research And Development written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-11-22 with Science categories.
Physics of Thin Films is one of the longest running continuing series in thin film science, consisting of twenty volumes since 1963. The series contains quality studies of the properties of various thinfilms materials and systems. In order to be able to reflect the development of today's science and to cover all modern aspects of thin films, the series, starting with Volume 20, has moved beyond the basic physics of thin films. It now addresses the most important aspects of both inorganic and organic thin films, in both their theoretical as well as technological aspects. Therefore, in order to reflect the modern technology-oriented problems, the title has been slightly modified from Physics of Thin Films to Thin Films. Discusses the latest research about structure, physics, and infrared photoemissive behavior of heavily doped silicon homojunctions and Ge and GaAs-based alloy junctions Reviews the current status of SiGe/Si quantum wells for infrared detection Discusses key developments in the growing research on quantum-well infrared photodetectors (QWIPs) Reviews Chois development of a family of novel three-terminal, multi-quantum well devices designed to improve high-temperature IR detectivity at long wavelengths Describes recent studies aimed at using multi-quantum well structures to achieve higher performance in solar cell devices based on materials systems
Physical Principles Of Far Infrared Radiation
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Author :
language : en
Publisher: Academic Press
Release Date : 1973-09-21
Physical Principles Of Far Infrared Radiation written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973-09-21 with Science categories.
Physical Principles of Far-Infrared Radiation
Optically Detected Resonances Induced By Far Infrared Radiation In Quantum Wells And Quantum Dots
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Author : Michael Gerbracht
language : en
Publisher: GRIN Verlag
Release Date : 2008-07-18
Optically Detected Resonances Induced By Far Infrared Radiation In Quantum Wells And Quantum Dots written by Michael Gerbracht and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-18 with Science categories.
Doctoral Thesis / Dissertation from the year 2008 in the subject Physics - Theoretical Physics, grade: 1,0, University of Dortmund (Experimentelle Physik II), language: English, abstract: Abstract Photoluminescence (PL) and optically detected resonances (ODR) where studied on semiconductor quantum wells and quantum dots. Magnetic fields of up to 33 T where applied to samples at temperatures between 0.25 K and 10 K. In nonmagnetic quantum wells optically detected cyclotron resonance was used to determine basic properties such as effective mass and mobility of GaAs/AlGaAs quantum wells. In CdTe/CdMgTe quantum wells evidence for the singlet and triplet state of the negatively and positively charged exciton was found at high magnetic fields. In a highly n-type doped GaAs/AlGaAs quantum well, signatures of the fractional quantum hall effect were observed in PL and ODR data. Also shake up processes in a variety of quantum wells are discussed. In magnetic quantum wells, cusps in the exciton shift are present at moderate magnetic fields which could be assigned to next nearest neighbor interactions between Mn2+ ion pairs and single ions. Resonances in InGaAs/GaAs quantum dots induced by far-infrared radiation have been observed optically. They were studied in quantum dots with different confinement potential and under a series of tilting angles between sample normal and magnetic field direction. The resonances could be assigned to trion formation due to cyclotron resonance in the wetting layer and transitions in the internal energy structure of the dots. Also magnetic CdMnTe/ZnCdTe quantum dots with different Mn content were measured at magnetic fields up to 17 T. At low Mn concentrations a competition between the giant and intrinsic Zeeman splitting leads to a reduction of the polarization of the sample at high magnetic field which makes it possible to determine the Mn content by photoluminescence measurements.
Radiation And Quantum Physics
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Author : David John Edward Ingram
language : en
Publisher: Oxford University Press, USA
Release Date : 1973
Radiation And Quantum Physics written by David John Edward Ingram and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Science categories.