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Photoionization and photodetachment. 002. Part II
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ISBN: 9812813470 9789812813473 9810238924 9789810238926 9810239513 9789810239510 9810239521 9789810239527 Year: 2000 Volume: v. 10A & 10B Publisher: Singapore : World Scientific Publishing Co,

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Abstract

Owing to the advances of vacuum ultraviolet and ultrafast lasers and third generation synchrotron sources, the research on photoionization, photoelectrons, and photodetachment has gained much vitality in recent years. These new light sources, together with ingenious experimental techniques, such as the coincidence imaging, molecular beam, pulsed field ionization photoelectron, mass-analyzed threshold ion, and pulsed field ion pair schemes, have allowed spectroscopic, dynamic, and energetic studies of gaseous species to a new level of detail and accuracy. Profitable applications of these methods to liquids are emerging. This invaluable two-volume review consists of twenty-two chapters, focusing on recent developments in photoionization and photodetachment studies of atoms, molecules, transient species, clusters, and liquids.


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Photoionization Modelling as a Density Diagnostic of Line Emitting/Absorbing Regions in Active Galactic Nuclei
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ISBN: 9783030227364 9783030227371 Year: 2019 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book presents timely work on the nature of the physical processes underpinning two of the basic characteristics of the gas structure in the innermost region of Active Galactic Nuclei (AGN): ionized outflows and emission line regions. In addition, it describes physics-based methods for estimating the density of the astrophysical plasma surrounding AGN. All numerical computations of the photoionized gas employ the most advanced codes available (CLOUDY and TITAN). Calculations of the radiative transfer are based on the assumption of thermal and ionization equilibrium. Promising preliminary examples of comparison with current observations are included for several individual AGN. All of them suggest that the absorbing/emitting gas should have a density on the order of 1012 cm-3. Future observations will provide more objects to verify these results, and will allow us to put constraints on the launch radius of ionized outflows and therefore on the mass loading and kinetic energy outflow rates. These rates, in turn, are crucial to estimating whether the outflows have a significant feedback impact on star formation and metal enrichment in the interstellar medium of the host galaxy. In closing, the book discusses a representative example of applying powerful photoionization techniques to explain the complex physics of the AGN environment. .


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Photoelectron-ion correlation in photoionization of a hydrogen molecule and molecule-photon dynamics in a cavity
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ISBN: 9789811917783 Year: 2022 Publisher: Singapore : Springer Nature Singapore Pte Ltd.,

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Photoionization of polyvalent ions
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ISBN: 1617286613 9781617286612 1607410710 9781607410713 Year: 2010 Publisher: New York : Nova Science Publishers,

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Book
Atoms in intense laser fields
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ISBN: 9780521793018 9781139126816 1139126814 9780511993459 0511993455 9781139109628 1139109626 1139113984 9781139113984 9781139116152 1139116150 0521793017 9781107424777 1107424771 1107218101 1280886706 9786613728012 1139121898 1139111795 Year: 2011 Publisher: Cambridge : Cambridge University Press,

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The development of lasers capable of producing high-intensity pulses has opened a new area in the study of light-matter interactions. The corresponding laser fields are strong enough to compete with the Coulomb forces in controlling the dynamics of atomic systems and give rise to multiphoton processes. This book presents a unified account of this rapidly developing field of physics. The first part describes the fundamental phenomena occurring in intense laser-atom interactions and gives the basic theoretical framework to analyze them. The second part contains a detailed discussion of Floquet theory, the numerical integration of the wave equations and approximation methods for the low- and high-frequency regimes. In the third part, the main multiphoton processes are discussed: multiphoton ionization, high harmonic and attosecond pulse generation, and laser-assisted electron-atom collisions. Aimed at graduate students in atomic, molecular and optical physics, the book will also interest researchers working on laser interactions with matter.

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