Many-Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces

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J. Berakdar, J. Kirschner
Springer Science & Business Media, Jul 31, 2001 - Science - 518 pages
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Since the early days of modem physics spectroscopic techniques have been employed as a powerful tool to assess existing theoretical models and to uncover novel phenomena that promote the development of new concepts. Conventionally, the system to be probed is prepared in a well-defined state. Upon a controlled perturbation one measures then the spectrum of a single particle (electron, photon, etc.) emitted from the probe. The analysis of this single particle spectrum yields a wealth of important information on the properties of the system, such as optical and magnetic behaviour. Therefore, such analysis is nowadays a standard tool to investigate and characterize a variety of materials. However, it was clear at a very early stage that real physical compounds consist of many coupled particles that may be excited simultaneously in response to an external perturbation. Yet, the simultaneous (coincident) detection of two or more excited species proved to be a serious technical obstacle, in particular for extended electronic systems such as surfaces. In recent years, however, coincidence techniques have progressed so far as to image the multi-particle excitation spectrum in an impressive detail. Correspondingly, many-body theoretical concepts have been put forward to interpret the experimental findings and to direct future experimental research. This book gives a snapshot of the present status of multi-particle coincidence studies both from a theoretical and an experimental point of view. It also includes selected topical review articles that highlight the achievements and the power of coincident techniques.
 

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Contents

EXPERIMENTAL STUDY OF INTERFERENCES IN NONCOPLANAR E 2E CROSS SECTIONS
3
IONIZATION OF LASER ORIENTED SODIUM ATOMS BY POLARIZED ELECTRONS
15
TIMEDEPENDENT CALCULATION OF ELECTRONHYDROGEN SINGLE DIFFERENTIAL IONIZATION CROSS SECTIONS USING PSEUDO...
27
E 2E PROCESSES ON ISOELECTRONIC HYDROGEN AND ALKALILIKE IONS SCALING LAWS
45
ASYMPTOTICS OF THE HELIUM BOUND STATES
57
AN APPLICATION OF THE COULOMB SCATTERING THEORY TO IONIZATION PROCESSES
71
EXACT VERSUS LOCAL EXCHANGE IN DISTORTEDWAVE BORN CALCULATIONS OF ELECTRON IMPACT IONISATION
81
ON THE INFLUENCE OF USING DIRACFOCK RATHER THAN DENSITY FUNCTIONAL POTENTIALS IN THE RELATIVISTIC DWBA APPR...
91
E 3E AS A TWOSTEP PROCESS
283
E 3E PROCESSES A BRIEF THEORETICAL REVIEW AND NEW IDEAS
291
ON THE IMPORTANCE OF THE SECOND ORDER TERM FOR DOUBLE EXCITATION PROCESSES OF HELIUM BY CHARGED PARTICLES
307
PS E+E
319
DIFFERENTIAL MEASUREMENTS OF SINGLE AND MULTIPLE IONISATION OF ARGON BY POSITRON IMPACT
331
MANYPARTICLE SPECTROSCOPY OF MOLECULES AND CLUSTERS
341
A MULTITECHNIQUE INVESTIGATION OF DOUBLY EXCITED STATES OF N₂
343
FRAGMENT IONPHOTON COINCIDENCE FIPCO STUDY OF DISSOCIATIVE IONIZATION ACCOMPANYING LIGHT EMISSION BY ELECT...
353

EFFECTIVE POTENTIAL STUDY OF E2E PROCESSES WITH POLARIZED ELECTRONS
99
LOW ENERGY E 2E IONIZATION OF ARGON IN THE EQUAL ENERGY SHARING GEOMETRY
113
LOW ENERGY INNERVALENCE ELECTRON IMPACT IONIZATION OF ARGON
127
ELECTRONELECTRON COINCIDENCE STUDIES IN XENON WITH PRECISELY TAILORED EQUIPMENT
135
INFLUENCE OF POST COLLISION INTERACTION ON THE LINESHAPE OF AUGERELECTRON SPECTRA IN ELECTRON IMPACT IONIZA...
149
DIRECT OBSERVATION OF SATELLITE AND INNER VALENCE STATES OF Xe²
163
SPINFLIP TRANSITIONS FOR THE RESONANTLY EXCITED XE6P₃₂N₅O₂ₓ₃O₂₃ AUGER SPECTRUM
173
MULTIPLE SCATTERING PROCESSES IN ION ATOM SINGLE IONISATION
189
RESCATTERING OF AN ATOMIC ELECTRON IN A TIMEDEPENDENT FIELD
203
COINCIDENCE STUDIES ON ATOMS AND IONS II MULTIPLE IONIZATIONEXCITATION PROCESSES
213
RECENT PROGRESS IN THEORY OF ATOMIC DOUBLE PHOTOIONIZATION
215
THE DOUBLE IONISATION OF HELIUM BY BOTH PHOTON AND ELECTRON IMPACT
231
IS THE OPTICAL LIMIT APPROACHED IN COPLANAR E 3E EXPERIMENTS ON HE AT HIGH AND INTERMEDIATE ENERGIES?
245
THE ROLE OF THE MOMENTUM TRANSFER IN E 3E COLLISIONS ON HELIUM
259
ELECTRONIMPACT DOUBLE IONIZATION TO INVESTIGATE ELECTRON CORRELATION
271
AN ELECTRON MOMENTUM SPECTROSCOPY STUDY ON MOLECULES HAVING TWO EQUIVALENT FUNCTIONAL GROUPS
369
STUDY OF MULTICAPTURE CROSS SECTIONS USING MULTICOINCIDENCE TECHNIQUE IN XE³⁰ ON C₆₀ COLLISIONS
381
ON THE ROLE OF SCREENING IN METALLIC CLUSTERS
395
CORRELATION AND ELECTRONIC STRUCTURE OF SOLIDS AND SURFACES STUDIED BY COINCIDENCE TECHNIQUES
405
ASSORTED REMARKS ON DENSITY FUNCTIONAL THEORY
407
E 2E STUDIES OF CONDENSED MATTER A REVIEW OF RECENT RESULTS
417
THEORY OF ELECTRON AND PHOTONINDUCED TWOELECTRON EMISSION FROM SURFACES
435
E 2E SPECTROSCOPY OF HIGHTC CUPRATE OXIDES
451
DOUBLEELECTRON PHOTOEMISSION FROM SURFACES
461
THE ELECTRONIC STRUCTURE OF AGCU100 AND PDCU100 SURFACE ALLOYS STUDIED BY AUGERPHOTOELECTRON COINCIDENCE...
471
THE EFFECT OF CONFINEMENT IN DOUBLE PHOTOEMISSION
481
SEMICLASSICAL STUDY OF THE RYDBERG ATOMS NEAR A METAL SURFACE
493
INDEX
503
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