Dynamical Processes in Atomic and Molecular Physics


by

Gennadi Ogurtsov, Danielle Dowek

DOI: 10.2174/97816080524551120101
eISBN: 978-1-60805-245-5, 2012
ISBN: 978-1-60805-621-7



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Indexed in: Scopus

Atomic and molecular physics underlie a basis for our knowledge of fundamental processes in nature and technology and in such applicat...[view complete introduction]

Table of Contents

Foreword

- Pp. i

Michel Barat

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Preface

- Pp. ii

Gennadi Ogurtsov and Danielle Dowek

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List of Contributors

- Pp. iii-iv (2)

Gennadi Ogurtsov and Danielle Dowek

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Vortices in Atomic Processes

- Pp. 3-28 (26)

Joseph H. Macek

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Interatomic Electronic Decay Processes in Clusters

- Pp. 29-56 (28)

Vitali Averbukh, Lorenz S. Cederbaum, Philipp V. Demekhin, Simona Scheit, Premysl Colorenc, Ying-Chin Chiang, Kirill Gokhberg, Soren Kopelk, Nikolai V. Kryzhevoi, Alexander I. Kuleff, Nicolas Sisourat and Spas D. Stoychev

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Photoionization Dynamics: Photoemission In The Molecular Frame Of Small Molecules Ionized By Linearly And Elliptically Polarized Light

- Pp. 57-95 (39)

Danielle Dowek and Robert R. Lucchese

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Cold Molecules, Photoassociation, Optical Pumping and Laser Cooling: The Cesium Case

- Pp. 96-121 (26)

Andrea Fioretti, Pierre Pillet and Daniel Comparat

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Subject Index

- Pp. 122

Gennadi Ogurtsov

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Foreword

Atomic and molecular physics is now hundred years old, but contrary to peoples of the same age (even nowadays), this field remains surprisingly young. However, its life as that of humans suffered several ups and downs. After an exploding youth during its first 30 years, during which everything was thought to be discovered and understood, AMP fell into a winter sleep of about 20 years, when most of the scientists turned towards its younger sister, the nuclear physics. It is after the Second World War that AMP started a new life, a first rebirth that primarily involves Russia and USA physicists with the dream, still a dream nowadays, of a possible control of nuclear fusion in tokamak devices. A better understanding of the interaction between atomic species at high temperature was necessary that triggered a lot of research on atomic collisions. But, as in any field of research, breakthroughs come only with the availability of new tools. AMP did not made exception, and the new real take-off of the field came few years later with the discover of the laser, and since that time their continuous improvements lead, with each of them, to multiple new rebirths of AMD.

The book edited by G. Ogurtsov and D. Dowek provides several papers that review recent progress in the understanding of AMP related to the spectacular improvement in the exploration time of the basic atomic mechanisms. Pump probe spectroscopy in the femto- and atto-second regimes allows more and more accurate measurements of the localisation and motion of the active electrons, with a special interest in the most basic H2 and D2 molecules. New laser technologies also allow studying atomic interactions at extremely low temperature at which the quantum aspect leads to surprising atomic behavior. This was recently extended to the extreme cooling of molecules, formed by association of cold atoms.

Another tool is provided by the spectacular development of new imaging technologies with sophisticated coincidence particle detection devices that allow real advances in the understanding of photofragmentation and photoionization of small molecules after being fired by laser and synchrotron light sources. A spectacular development of many particle imaging technologies was provided by the invention of the “reaction microscope”. Its recent use in connection with intense V-UV femtosecond pump probe experiments allows time resolved imaging of molecule nuclear motions.

More generally, our understanding of the electron dynamics made spectacular progresses. New theoretical tools were invented with the introduction of complex wave functions in the time dependent Schrödinger equation showing the role of vortices in dynamical processes. The discovery of Coulombic decay involving interactions between two close atoms and molecules leads to large progress in the understanding of decay processes involving excited and ionized clusters.

Michel Barat
Institut des Siences Moléculaires
Université Paris-Sud
France


Preface

This book is aimed at highlighting the present state of experimental and theoretical studies in the field of atomic and molecular physics. Atomic and molecular physics provides a basis for our understanding of fundamental processes in nature and technology, which is also of interest for applications in other domains, such as solid state physics, chemistry and biology.

In recent years, atomic and molecular physics has undergone a revolutionary change due to tremendous achievements in computing and experimental technique. Now it is possible to study the processes inaccessible before and, in particular, correlated quantum dynamics, i.e., time evolution of a quantum system composed of interacting atoms and molecules. The use of super-computers and novel experimental methods based on laser cooling, femto- and attosecond imaging technique have led to new discoveries in the dynamics of atomic and molecular processes.

The book includes five chapters, chosen to cover advanced directions in the modern atomic and molecular physics. Chapter 1 is devoted to the discussion of newly discovered phenomenon of vortices in electronic wave functions that are solutions of the time-dependent Schrödinger equation. Chapter 2 discusses the interatomic electron transitions in molecular systems, the sources of super-fast decay of these systems. Chapter 3 considers current perspectives on the study of molecular frame photoemission in one- and multiphoton photoionization of small polyatomic molecules. Chapter 4 introduces the reader to the recent achievements in laser cooling of atomic and molecular systems. Chapter 5 reviews experimental methods based on the use of attosecond laser pulses, and their applications.

The primary target audiences of this book are those who are interested in atomic and molecular physics. They include researchers, developers and graduate students. The book could be a useful reference in university courses in atomic and molecular physics.

We would like to express our sincere appreciation to all the authors of the chapters of the book. We would like to thank Prof. Michel Barat for writing foreword, and the Bentham Science Publishers, in particular, Manager Bushra Siddiqui, for their support and efforts.

G. Ogurtsov, D. Dowek
Editors

List of Contributors

Editor(s):
Gennadi Ogurtsov
A. F. Ioffe Physico-Technical Institute
Russia


Danielle Dowek
Université Paris-Sud
France




Contributor(s):
Vitali Averbukh
Department of Physics
Imperial College London
Prince Consort Road
London
SW7 2AZ
United Kingdom


Lorenz Cederbaum
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229 D-69120
Heidelberg
Germany


Ying-Chin Chiang
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229 D-69120
Heidelberg

Germany


Přemysl Colorenč
Institute of Theoretical Physics
Charles University in Prague
V Holešovičkách 2
180 Prague
Chech Republic


Daniel Comparat
Laboratoire Aime Cotton CNRS
Université Paris-Sud
Bld 505
91405 Orsay
Cedex
France


Philipp V. Demekhin
Institut fur Physik, Experimental Physik IV
Universitat Kessel
Heinrich-Plett Str. 40
D-34132 Kessel
Germany


Danielle Dowek
Institut des Siences Moléculaires d’Orsay
Federation Lumiere Matiere
Bat.350, Université Paris-Sud
91405 Orsay
France


Andrea Fioretti
Laboratoire Aime Cotton CNRS
Université Paris-Sud
Bld 505
91405 Orsay Cedex
France


Kirill Gokhberg
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229 D-69120
Heidelberg
Germany


Per Johnsson
FOM-Institute AMOLF, Science Park 104, 1098 XG Amsterdam
The Netherlands and Department of Physics
Lund Iniversity, P.O. Box 118 SE- 221 00
Lund
Sweden


Freek Kelkensberg
FOM-Institute AMOLF
Science Park 104
Amsterdam, 1098 XG
The Netherlands


Sören Kopelke
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229
Heidelberg, D-69120
Germany


Nikolai V. Kryzhevoi
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229
Heidelberg, D-69120
Germany


Alexander I. Kuleff
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229
Heidelberg, D-69120
Germany


Robert R. Lucchese
Department of Chemistry
Texas A&M University
College Station
Texas, 77843-3255
USA


Joseph H. Macek
Departmebt of Physics and Astronomy
University of Tennessee and Oak Ridge National Laboratory
TN 37996-1501
Knoxville
USA


Pierre Pillet
Laboratoire Aime Cotton CNRS
Université Paris-Sud
Bld 505 91405
Orsay Cedex
France


Simona Scheit
Department of Basic Science
Graduate School of Arts and Sciences
The University of Tokyo
Tokyo, 153-8902
Japan


Nicolas Sisourat
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229
Heidelberg, D-69120
Germany


Wing Kiu Siu
FOM-Institute AMOLF
Science Park 104
Amsterdam, 1098 XG
The Netherlands


Spas D. Stoychev
Physikalisch-Chemisches Institut
Universität Heidelberg
Im Neuenheimer Feld 229
Heidelberg, D-69120
Germany


Marc Vrakking
FOM-Institute AMOLF
Science Park 104
Amsterdam, 1098 XG
The Netherlands
/
Max-Born-Institut
Max Born Strasse 2A
Berlin, D-12489
Germany




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