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Etude Des Atomes Dhelium Et De Beryllium En Champ Laser Intense Et Bref
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Book Synopsis Etude des atomes d'hélium et de béryllium en champ laser intense et bref by : Stéphane Laulan
Download or read book Etude des atomes d'hélium et de béryllium en champ laser intense et bref written by Stéphane Laulan and published by . This book was released on 2004 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nous présentons une étude théorique de l'interaction entre un atome à deux électrons actifs et un champ laser de fort éclairement (10exposant14 à 10exposant15 W/cm2) et de durée d'impulsion ultra-brève (quelques 10exposant-15 à quelques 10exposant-18 s). Nous décrivons dans une premier temps les techniques expérimentales actuelles capables de produire un rayonnement cohérent de haute puissance dans le domaine spectral UV-XUV, et de durée d'impulsion de l'ordre de la femtoseconde ou subfemtoseconde. Un modèle semi-classique d'une impulsion laser avec de telles caractéristiques est alors défini. Puis, nous développons une méthode numérique basée sur l'utilisation des fonctions B-splines pour décrire la structure électronique d'un atome à deux électrons actifs. Un traitement non perturbatif de type spectral est alors proposé pour représenter la propagation dans le temps de la fonction d'onde du système irradié, où le point important est de définir le plus précisément possible la région du double continuum atomique. Nous exposons finalement des résultats sur la double ionisation des atomes d'hélium et de béryllium en présence d'un champ laser intense et bref, issus de notre approche numérique. Ils concernent en particuler des calculs de sections efficaces totales d'ionisation, et de distributions énergétiques entre les électrons éjectés dans le double continuum après absorption d'un photon et de deux photons.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy: a Continuing Bibliography with Indexes by :
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1978 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Refinery Energy Profile written by and published by . This book was released on 1979 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ANL/CNSV written by and published by . This book was released on 1981 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA-600/7 written by and published by . This book was released on 1978 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microscopic Simulation of Interfacial Phenomena in Solids and Liquids: Volume 492 by : Simon R. Philllpot
Download or read book Microscopic Simulation of Interfacial Phenomena in Solids and Liquids: Volume 492 written by Simon R. Philllpot and published by . This book was released on 1998-04-24 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.
Book Synopsis Recycling by : Karl J. Thome-Kozmiensky
Download or read book Recycling written by Karl J. Thome-Kozmiensky and published by Springer. This book was released on 1979-12-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dedicated to the Technical University, Berlin for Its 100. Anniversary
Book Synopsis Technology for Large Space Systems by :
Download or read book Technology for Large Space Systems written by and published by . This book was released on 1979 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Academy of Engineering Publisher :Office of Publications National Academy of Sciences ISBN 13 : Total Pages :84 pages Book Rating :4.3/5 (91 download)
Book Synopsis The Outlook for Nuclear Power by : National Academy of Engineering
Download or read book The Outlook for Nuclear Power written by National Academy of Engineering and published by Office of Publications National Academy of Sciences. This book was released on 1980 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: