High Resolution Experiments On Strong Field Ionization Of Atoms And Molecules

Author : Lutz Fechner
Publisher : Springer
Page : 151 pages
File Size : 45,7 Mb
Release : 2016-04-26
Category : Science
ISBN : 9783319320465

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High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules by Lutz Fechner Pdf

In this thesis, the ionization of atoms and small molecules in strong laser fields is experimentally studied using a reaction microscope. The population of autoionizing doubly excited states in the laser fields is proven and a possible connection to the well-known dielectronic recombination processes is discussed. The fundamental process of tunnel ionization in strong laser fields is subject of investigation in a pump-probe experiment with ultrashort laser pulses. A coherent superposition of electronic states in singly charged argon ions is created within the first, and subsequently tunnel-ionized with the second pulse. This gives access to state-selective information about the tunneling process and allows to test common models. Moreover, the ionization of krypton and argon at different wavelengths is studied, from the multiphoton to the tunneling regime. The wavelength-dependent investigations are furthermore extended to molecular hydrogen. In addition to ionization, this system might undergo different dissociative processes. Channel-selective electron momentum distributions are presented and compared to each other.

Author : Ireneusz Grabowski
Publisher : Springer Nature
Page : 300 pages
File Size : 49,8 Mb
Release : 2024-06-17
Category : Electronic
ISBN : 9783031520785

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Advances in Methods and Applications of Quantum Systems in Chemistry, Physics, and Biology by Ireneusz Grabowski Pdf

Author : Anonim
Publisher : Academic Press
Page : 382 pages
File Size : 43,9 Mb
Release : 1985-11-08
Category : Science
ISBN : 008056481X

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Advances in Atomic and Molecular Physics by Anonim Pdf

Advances in Atomic and Molecular Physics

Author : C.A. Nicolaides,Charles W. Clark,Munir H. Nayfeh
Publisher : Springer Science & Business Media
Page : 532 pages
File Size : 46,8 Mb
Release : 2013-11-11
Category : Science
ISBN : 9781475793345

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Atoms in Strong Fields by C.A. Nicolaides,Charles W. Clark,Munir H. Nayfeh Pdf

This book collects the lectures given at the NATO Advanced Study Institute on "Atoms in Strong Fields", which took place on the island of Kos, Greece, during the two weeks of October 9-21,1988. The designation "strong field" applies here to an external electromagnetic field that is sufficiently strong to cause highly nonlinear alterations in atomic or molecular struc ture and dynamics. The specific topics treated in this volume fall into two general cater gories, which are those for which strong field effects can be studied in detail in terrestrial laboratories: the dynamics of excited states in static or quasi-static electric and magnetic fields; and the interaction of atoms and molecules with intense laser radiation. In both areas there exist promising opportunities for research of a fundamental nature. An electric field of even a few volts per centimeter can be very strong on the atom ic scale, if it acts upon a weakly bound state. The study of Rydberg states with high reso lution laser spectroscopic techniques has made it possible to follow the transition from weak-field to strong-field behavior in remarkable detail, using static fields of modest lab oratory strength; in the course of this transition the atomic system evolves from one which can be thoroughly understood in terms of field-free quantum numbers, to one which cannot be meaningfully associated at all with the zero-field states of the atom.

Author : Anonim
Publisher : Unknown
Page : 872 pages
File Size : 40,9 Mb
Release : 1988
Category : Power resources
ISBN : MSU:31293010868804

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Energy Research Abstracts by Anonim Pdf

Author : Bretislav Friedrich,Horst Schmidt-Böcking
Publisher : Springer Nature
Page : 639 pages
File Size : 42,5 Mb
Release : 2021-06-19
Category : Science
ISBN : 9783030639631

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Molecular Beams in Physics and Chemistry by Bretislav Friedrich,Horst Schmidt-Böcking Pdf

This Open Access book gives a comprehensive account of both the history and current achievements of molecular beam research. In 1919, Otto Stern launched the revolutionary molecular beam technique. This technique made it possible to send atoms and molecules with well-defined momentum through vacuum and to measure with high accuracy the deflections they underwent when acted upon by transversal forces. These measurements revealed unforeseen quantum properties of nuclei, atoms, and molecules that became the basis for our current understanding of quantum matter. This volume shows that many key areas of modern physics and chemistry owe their beginnings to the seminal molecular beam work of Otto Stern and his school. Written by internationally recognized experts, the contributions in this volume will help experienced researchers and incoming graduate students alike to keep abreast of current developments in molecular beam research as well as to appreciate the history and evolution of this powerful method and the knowledge it reveals.

Author : Kirsten Schnorr
Publisher : Springer
Page : 191 pages
File Size : 49,9 Mb
Release : 2014-12-29
Category : Science
ISBN : 9783319121390

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XUV Pump-Probe Experiments on Diatomic Molecules by Kirsten Schnorr Pdf

This book explores the relaxation dynamics of inner-valence-ionized diatomic molecules on the basis of extreme-ultraviolet pump-probe experiments performed at the free-electron laser (FEL) in Hamburg. Firstly, the electron rearrangement dynamics in dissociating multiply charged iodine molecules is studied in an experiment that made it possible to access charge transfer in a thus far unexplored quasimolecular regime relevant for plasma and chemistry applications of the FEL. Secondly the lifetime of an efficient non-radiative relaxation process that occurs in weakly bound systems is measured directly for the first time in a neon dimer (Ne2). Interatomic Coulombic decay (ICD) has been identified as the dominant decay mechanism in inner-valence-ionized or excited van-der-Waals and hydrogen bonded systems, the latter being ubiquitous in all biomolecules. The role of ICD in DNA damage thus demands further investigation, e.g. with regard to applications like radiation therapy.

Author : Dimitri Batani,Charles J. Joachain,S. Martellucci,Arthur N. Chester
Publisher : Springer Science & Business Media
Page : 409 pages
File Size : 42,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461513513

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Atoms, Solids, and Plasmas in Super-Intense Laser Fields by Dimitri Batani,Charles J. Joachain,S. Martellucci,Arthur N. Chester Pdf

The recent developement of high power lasers, delivering femtosecond pulses of 20 2 intensities up to 10 W/cm , has led to the discovery of new phenomena in laser interactions with matter. At these enormous laser intensities, atoms, and molecules are exposed to extreme conditions and new phenomena occur, such as the very rapid multi photon ionization of atomic systems, the emission by these systems of very high order harmonics of the exciting laser light, the Coulomb explosion of molecules, and the acceleration of electrons close to the velocity of light. These phenomena generate new behaviour of bulk matter in intense laser fields, with great potential for wide ranging applications which include the study of ultra-fast processes, the development of high-frequency lasers, and the investigation of the properties of plasmas and condensed matter under extreme conditions of temperature and pressure. In particular, the concept of the "fast ignitor" approach to inertial confinement fusion (ICF) has been proposed, which is based on the separation of the compression and the ignition phases in laser-driven ICF. The aim of this course on "Atom, Solids and Plasmas in Super-Intense Laser fields" was to bring together senior researchers and students in atomic and molecular physics, laser physics, condensed matter and plasma physics, in order to review recent developments in high-intensity laser-matter interactions. The course was held at the Ettore Majorana International Centre for Scientific Culture in Erice from July 8 to July 14,2000.

Author : Anonim
Publisher : Academic Press
Page : 368 pages
File Size : 51,7 Mb
Release : 2008-10-28
Category : Science
ISBN : 0080880274

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Advances in Atomic, Molecular, and Optical Physics by Anonim Pdf

This volume continues the tradition of the Advances series. It contains contributions from experts in the field of atomic, molecular, and optical (AMO) physics. The articles contain some review material, but are intended to provide a comprehensive picture of recent important developments in AMO physics. Both theoretical and experimental articles are included in the volume. • International experts • Comprehensive articles • New developments

Author : Benjamin Bederson,Herbert Walther
Publisher : Gulf Professional Publishing
Page : 429 pages
File Size : 44,5 Mb
Release : 2002-12-09
Category : Science
ISBN : 9780120038480

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Advances in Atomic, Molecular, and Optical Physics by Benjamin Bederson,Herbert Walther Pdf

This series, established in 1965, is concerned with recent developments in the general area of atomic, molecular and optical physics. The field is in a state of rapid growth, as new experimental and theoretical techniques are used on many old and new problems. Topics covered include related applied areas, such as atmospheric science, astrophysics, surface physics and laser physics. Articles are written by distinguished experts who are active in their research fields. The articles contain both relevant review material and detailed descriptions of important recent developments.

Author : S. C. Singh,H.B. Zeng,Chunlei Guo,Weiping Cai
Publisher : John Wiley & Sons
Page : 793 pages
File Size : 43,5 Mb
Release : 2012-10-22
Category : Technology & Engineering
ISBN : 9783527646845

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Nanomaterials by S. C. Singh,H.B. Zeng,Chunlei Guo,Weiping Cai Pdf

The first in-depth treatment of the synthesis, processing, and characterization of nanomaterials using lasers, ranging from fundamentals to the latest research results, this handy reference is divided into two main sections. After introducing the concepts of lasers, nanomaterials, nanoarchitectures and laser-material interactions in the first three chapters, the book goes on to discuss the synthesis of various nanomaterials in vacuum, gas and liquids. The second half discusses various nanomaterial characterization techniques involving lasers, from Raman and photoluminescence spectroscopies to light dynamic scattering, laser spectroscopy and such unusual techniques as laser photo acoustic, fluorescence correlation spectroscopy, ultrafast dynamics and laser-induced thermal pulses. The specialist authors adopt a practical approach throughout, with an emphasis on experiments, set-up, and results. Each chapter begins with an introduction and is uniform in covering the basic approaches, experimental setups, and dependencies of the particular method on different parameters, providing sufficient theory and modeling to understand the principles behind the techniques.

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on AMO 2010
Publisher : National Academies Press
Page : 245 pages
File Size : 43,6 Mb
Release : 2007-06-21
Category : Science
ISBN : 9780309102704

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Controlling the Quantum World by National Research Council,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on AMO 2010 Pdf

As part of the Physics 2010 decadal survey project, the Department of Energy and the National Science Foundation requested that the National Research Council assess the opportunities, over roughly the next decade, in atomic, molecular, and optical (AMO) science and technology. In particular, the National Research Council was asked to cover the state of AMO science, emphasizing recent accomplishments and identifying new and compelling scientific questions. Controlling the Quantum World, discusses both the roles and challenges for AMO science in instrumentation; scientific research near absolute zero; development of extremely intense x-ray and laser sources; exploration and control of molecular processes; photonics at the nanoscale level; and development of quantum information technology. This book also offers an assessment of and recommendations about critical issues concerning maintaining U.S. leadership in AMO science and technology.

Author : Anonim
Publisher : Unknown
Page : 1004 pages
File Size : 43,8 Mb
Release : 1989
Category : Power resources
ISBN : MSU:31293010869067

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Energy Research Abstracts by Anonim Pdf

Author : Anonim
Publisher : Unknown
Page : 1028 pages
File Size : 53,6 Mb
Release : 1983
Category : Power resources
ISBN : UIUC:30112018073764

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ERDA Energy Research Abstracts by Anonim Pdf

Author : Anonim
Publisher : Unknown
Page : 456 pages
File Size : 45,8 Mb
Release : 1995
Category : Aeronautics
ISBN : MINN:30000006324606

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Scientific and Technical Aerospace Reports by Anonim Pdf

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.