Intense Field Ionization Of Atoms And Molecules

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High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules

Author : Lutz Fechner
Publisher : Springer
ISBN 13 : 3319320467
Total Pages : 158 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules by : Lutz Fechner

Download or read book High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules written by Lutz Fechner and published by Springer. This book was released on 2016-04-26 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Intense-field Ionization of Atoms and Molecules

Author : James Strohaber
Publisher :
ISBN 13 : 9780549486978
Total Pages : pages
Book Rating : 4.4/5 (869 download)

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Book Synopsis Intense-field Ionization of Atoms and Molecules by : James Strohaber

Download or read book Intense-field Ionization of Atoms and Molecules written by James Strohaber and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Interaction of Atoms and Molecules with Intense Electric Fields

Author : Courtney Ryan Feeler
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (446 download)

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Book Synopsis Interaction of Atoms and Molecules with Intense Electric Fields by : Courtney Ryan Feeler

Download or read book Interaction of Atoms and Molecules with Intense Electric Fields written by Courtney Ryan Feeler and published by . This book was released on 2000 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Atoms, Solids, and Plasmas in Super-Intense Laser Fields

Author : Dimitri Batani
Publisher : Springer Science & Business Media
ISBN 13 : 9780306466151
Total Pages : 434 pages
Book Rating : 4.4/5 (661 download)

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Book Synopsis Atoms, Solids, and Plasmas in Super-Intense Laser Fields by : Dimitri Batani

Download or read book Atoms, Solids, and Plasmas in Super-Intense Laser Fields written by Dimitri Batani and published by Springer Science & Business Media. This book was released on 2001-09-30 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 30th Course of the International School of Quantum Electronics on Atoms, Solids and Plasmas in Super-Intense Laser Fields, held 8-14 July, in Erice, Sicily

Atoms in Intense Laser Fields

Author : C. J. Joachain
Publisher : Cambridge University Press
ISBN 13 : 0521793017
Total Pages : 581 pages
Book Rating : 4.5/5 (217 download)

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Book Synopsis Atoms in Intense Laser Fields by : C. J. Joachain

Download or read book Atoms in Intense Laser Fields written by C. J. Joachain and published by Cambridge University Press. This book was released on 2012 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified account of the rapidly developing field of high-intensity laser-atom interactions, suitable for both graduate students and researchers.

Super-Intense Laser—Atom Physics

Author : A. L'Huillier
Publisher : Springer Science & Business Media
ISBN 13 : 1461579635
Total Pages : 494 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Super-Intense Laser—Atom Physics by : A. L'Huillier

Download or read book Super-Intense Laser—Atom Physics written by A. L'Huillier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid development of powerful pulsed lasers is at the origin of a conside rable interest in studying the response of an atom, a molecule (or a solid) to a strong electromagnetic field. It is now possible to produce at the laboratory scale, ultra-short 13 pulses with a duration of 100 femtoseconds (10- second) and a power of the order 12 of 1 terawatt (10 Watt). Under these conditions, very high peak intensities may be obtained and electric fields exceeding typical electron binding fields in atoms are generated. The interaction of an atom or a molecule with such electromagnetic fields has a highly non-linear character which leads to unexpected phenomena. Amongst them, - above-threshold ionization (ATI) i.e. the absorption of additional photons in excess of the minimal number necessary to overcome the ionization potential and its molecular counterpart, above-threshold dissociation (ATD); - generation of very high harmonics of the driving field; - stabilization of one-electron systems in strong fields. These processes were the main topics of two international meetings which were held in 1989 and 1991 in the United States under the common name SILAP (Super-Intense Laser-Atom Physics).

Controlling the Quantum World

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309102707
Total Pages : 245 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Controlling the Quantum World by : National Research Council

Download or read book Controlling the Quantum World written by National Research Council and published by National Academies Press. This book was released on 2007-06-21 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Atoms in Intense Laser Fields

Author : Mihai Gavrila
Publisher :
ISBN 13 :
Total Pages : 542 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Atoms in Intense Laser Fields by : Mihai Gavrila

Download or read book Atoms in Intense Laser Fields written by Mihai Gavrila and published by . This book was released on 1992 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: For graduate students, laser scientists, atomic, molecular and optical physicists, topics include the effects of superintense laser fields on multiphoton ionization and harmonic generation; novel effects with ultrashort, subpicosecond laser pulses; and Rydberg atoms in intense microwave fields.

Classical Trajectory Perspective of Atomic Ionization in Strong Laser Fields

Author : Jie Liu
Publisher : Springer Science & Business Media
ISBN 13 : 3642405495
Total Pages : 88 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Classical Trajectory Perspective of Atomic Ionization in Strong Laser Fields by : Jie Liu

Download or read book Classical Trajectory Perspective of Atomic Ionization in Strong Laser Fields written by Jie Liu and published by Springer Science & Business Media. This book was released on 2013-09-30 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ionization of atoms and molecules in strong laser fields is an active field in modern physics and has versatile applications in such as attosecond physics, X-ray generation, inertial confined fusion (ICF), medical science and so on. Classical Trajectory Perspective of Atomic Ionization in Strong Laser Fields covers the basic concepts in this field and discusses many interesting topics using the semiclassical model of classical trajectory ensemble simulation, which is one of the most successful ionization models and has the advantages of a clear picture, feasible computing and accounting for many exquisite experiments quantitatively. The book also presents many applications of the model in such topics as the single ionization, double ionization, neutral atom acceleration and other timely issues in strong field physics, and delivers useful messages to readers with presenting the classical trajectory perspective on the strong field atomic ionization. The book is intended for graduate students and researchers in the field of laser physics, atom molecule physics and theoretical physics. Dr. Jie Liu is a professor of Institute of Applied Physics and Computational Mathematics, China and Peking University.

Coherence Phenomena in Atoms and Molecules in Laser Fields

Author : Andre D Bandrauk
Publisher : Springer Science & Business Media
ISBN 13 : 1461533643
Total Pages : 397 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Coherence Phenomena in Atoms and Molecules in Laser Fields by : Andre D Bandrauk

Download or read book Coherence Phenomena in Atoms and Molecules in Laser Fields written by Andre D Bandrauk and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures and communications presented at the NATO Advanced Research Workshop (NATO ARW 900857) which was held May 5-10, 1991 at McMaster University, Hamilton, Ontario, Canada. A scientific commitee made up of P.P. Lambropoulos (USC & Crete), P.8. Corkum (NRC, Ottawa), and H. B. vL. van den Heuvell (FOM, Amsterdam) guided the organizers, A.D. Bandrauk (Sherbrooke) and S.C. Wallace (Toronto) in preparing a programme which would cover the latest advances in the field of atom and molecule laser interactions. Since the last meeting held in July 1987 on "Atomic and Molecular Processes with Short Intense Laser Pulses", NATO ASI vol 1718 (Plenum Press 1988), considerable progress has been made in understanding high intensity effects on atoms and the concomitant coherence effects. After four years, the emphasis is now shifting more to molecules. The present volume represents therefore this trend with four sections covering the main interests of research endeavours in this area: i) Atoms in Intense Laser-Fields ii) Molecules in Intense Laser Fields iii) Atomic Coherences iv) Molecular Coherences The experience developed over the years in multiphoton atomic processes has been very useful and is the main source of our understanding of similar processes in molecules. Thus ATI (above threshold ionization) has been found to occur in molecules as well as a new phenomenon, ATD (above-threshold dissociation). Laser-induced avoided crossings of molecular electronic surfaces is also now entering the current language of high intensity molecular processes.

Strong-field Ionization of Atoms and Molecules with Two-color Laser Pulses

Author : Yonghao Mi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Strong-field Ionization of Atoms and Molecules with Two-color Laser Pulses by : Yonghao Mi

Download or read book Strong-field Ionization of Atoms and Molecules with Two-color Laser Pulses written by Yonghao Mi and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Super-Intense Laser-Atom Physics IV

Author : H.G. Muller
Publisher : Springer Science & Business Media
ISBN 13 : 9780792340485
Total Pages : 630 pages
Book Rating : 4.3/5 (44 download)

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Book Synopsis Super-Intense Laser-Atom Physics IV by : H.G. Muller

Download or read book Super-Intense Laser-Atom Physics IV written by H.G. Muller and published by Springer Science & Business Media. This book was released on 1996-05-31 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atoms in strong radiation fields are interesting objects for study, and the research field that concerns itself with this study is a comparatively young one. For a long period after the ~scovery of the photoelectric effect. it was not possible to generate electro magnetic fields that did more than perturb the atom only slightly, and (first-or~er) perturbation theory could perfectly explain what was going on at those low intensities. The development of the pulsed laser bas changed this state of affairs in a rather dramatic way, and fields can be applied that really have a large, or even dominant influence on atomic structure. In the latter case, w~ speak of super-intense fields. Since the interaction between atoms and electromagnetic waves is characterized by many parameters other than the light intensity, such as frequency, iQnization potential, orbit time, etc., it is actually quite difficult to define what is exactly meant by the term 'super-intense'. Obviously the term does not have an absolute meaning, and intensity should always be viewed in relation to other properties of the system. An atom in a radiation field can thus best be described in terms of various ratios of the quantities involved. The nature of the system sometimes drastically changes if the value of one of these parameters exceeds a certain critical value, and the new regime could be called super-intense with respect to that parameter.

Atoms in Strong Fields

Author : C.A. Nicolaides
Publisher : Springer Science & Business Media
ISBN 13 : 1475793340
Total Pages : 532 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Atoms in Strong Fields by : C.A. Nicolaides

Download or read book Atoms in Strong Fields written by C.A. Nicolaides and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Super-Intense Laser-Atom Physics

Author : Bernard Piraux
Publisher : Springer Science & Business Media
ISBN 13 : 9780792368632
Total Pages : 444 pages
Book Rating : 4.3/5 (686 download)

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Book Synopsis Super-Intense Laser-Atom Physics by : Bernard Piraux

Download or read book Super-Intense Laser-Atom Physics written by Bernard Piraux and published by Springer Science & Business Media. This book was released on 2001-03-31 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of atomic systems exposed to super-intense laser fields de fines an important area in atomic, molecular and optical physics. Although the concept of super-intense field has no absolute meaning, it is now usual to call an electromagnetic field super-intense when it exceeds the atomic binding field. In the case of the simplest atomic system, hydrogen in its 16 2 ground state, this occurs above an intensity of 3. 5 x 10 Wattfcm which is the atomic unit of intensity. Presently at the laboratory scale and in ex tremely short and tightly focussed laser pulses, the electric field strength 16 18 2 reaches peak values which are of the order of 10 - 10 Wattfcm in the infrared frequency regime, the prospect being that such peak intensities may be reached within a few years in a regime of much higher frequencies (XUV or even X). The interaction of such electromagnetic fields with an atomic system has a highly non-linear character which has led to the observation of to tally unexpected phenomena. There are three fundamental processes which have marked the beginning of an intensive research in the field of super intense laser-atom physics (SILAP). These processes which only involve one atomic electron are (i) the so-called above-threshold ionisation i. e.

Trends in Atomic and Molecular Physics

Author : Krishan K. Sud
Publisher : Springer Science & Business Media
ISBN 13 : 1461542596
Total Pages : 426 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Trends in Atomic and Molecular Physics by : Krishan K. Sud

Download or read book Trends in Atomic and Molecular Physics written by Krishan K. Sud and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contemporary research in atomic and molecular physics concerns itself with studies of interactions of electron, positron, photons, and ions with atoms, molecules, and clusters; interactions of intense ultrashort laser interaction with atoms, molecules, and solids; laser assisted atomic collisions, optical, and magnetic traps of neutral atoms to produce ultracold and dense samples; high resolution atomic spectroscopy and experiments by using synchrotron radiation sources and ion storage rings. In recent years, important advances have been made in the experimental as well as theoretical understanding of atomic and molecular physics. The advances in atomic and molecu lar physics have helped us to understand many other fields, like astrophyics, atmo spheric physics, environmental science, laser physics, surface physics, computational physics, photonics, and electronics. XII National Conference on Atomic and Molecular Physics was held at the Physics Department, M. 1. S. University, Udaipur from 29th Dec. 1998 to 2ndJan. 1999 under the auspices of the Indian Society of Atomic and Molecular Physics. This volume is an outcome of the contributions from the invited speakers at the conference. The volume contains 24 articles contributed by the distinguished scientists in the field. The contrib utors have covered a wide range of topics in the field in which current research is being done. This also reflects the trend of research in this field in Indian universities and research institutes. We are grateful to the national programme committee, national, and local organiz ing committees, and members of the Physics Department and Computer Centre, M. 1.

Tunnel Ionization in Strong Fields in Atoms and Molecules and Its Applications

Author : Ryan Murray
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (827 download)

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Book Synopsis Tunnel Ionization in Strong Fields in Atoms and Molecules and Its Applications by : Ryan Murray

Download or read book Tunnel Ionization in Strong Fields in Atoms and Molecules and Its Applications written by Ryan Murray and published by . This book was released on 2011 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: We look at the theory of ionization of atoms and molecules in the presence of a strong laser field. The history of ionization of atoms is reviewed and the methods used to calculate the ionization rates are examined in detail. In particular the quasi-classical methods used to solve for atomic rates are examined in detail. Early work on the ionization of molecules is also examined. A new method of calculating ionization rates is developed which allows for clear, analytic descriptions of atoms and molecules in intense light fields. The results and implications of this new theory are also examined in both atoms and molecules. The results are compared against known analytic results in the case of atoms and against numerical computation for molecules. Finally, applications of the study of atoms and molecules in intense fields are examined. We show how processes such as high harmonic generation and laser induced electron diffraction occur in strong fields and give an overview of the current state of the art and likely goals for the future. The process of laser induced electron diffraction is given close examination and ways of optimizing the diffraction patterns are discussed. The use of two-color orthogonal fields is shown to greatly increase contrast and efficiency when the carrier phases are tuned correctly.

Atoms in Intense Laser Fields

Author : C. J. Joachain
Publisher : Cambridge University Press
ISBN 13 : 9780521793018
Total Pages : 580 pages
Book Rating : 4.7/5 (93 download)

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Book Synopsis Atoms in Intense Laser Fields by : C. J. Joachain

Download or read book Atoms in Intense Laser Fields written by C. J. Joachain and published by Cambridge University Press. This book was released on 2011-12-15 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.