Search Results - (Author, Cooperation:L. B. Madsen)

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  1. 1
    N. I. Shvetsov-Shilovski, M. Lein, and L. B. Madsen
    American Physical Society (APS)
    Published 2018
    Staff View
    Publication Date:
    2018-08-14
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    1050-2947
    Electronic ISSN:
    1094-1622
    Topics:
    Physics
    Keywords:
    Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2018-12-08
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    1050-2947
    Electronic ISSN:
    1094-1622
    Topics:
    Physics
    Keywords:
    Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    P. M. Kraus ; B. Mignolet ; D. Baykusheva ; A. Rupenyan ; L. Horny ; E. F. Penka ; G. Grassi ; O. I. Tolstikhin ; J. Schneider ; F. Jensen ; L. B. Madsen ; A. D. Bandrauk ; F. Remacle ; H. J. Worner
    American Association for the Advancement of Science (AAAS)
    Published 2015
    Staff View
    Publication Date:
    2015-10-24
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  4. 4
    Hokland, S. ; Madsen, L. B.
    Springer
    Published 2004
    Staff View
    ISSN:
    1434-6079
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract. We present calculations of laser-assisted differential cross-sections in the second Born approximation. We explore effects of off-the-energy-shell propagation, and we conclude, contrary to other works, that this effect, although significant when compared to the second Born on-shell approximation, is too small for the second Born approximation to account for experimental results.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1140/epjd/e2004-00031-5

    Articles: DFG German National Licenses
  5. 5
    Petersen, V. ; Madsen, L. B. ; Mølmer, K.
    Springer
    Published 2004
    Staff View
    ISSN:
    1434-6079
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract. We investigate the possibility of transforming, under local operations and classical communication, a general bipartite quantum state on a d A x d B tensor-product space into a final state in 2 x 2 dimensions, while maintaining as much entanglement as possible. For pure states, we prove that Nielsen’s theorem provides the optimal protocol, and we present quantitative results on the degree of entanglement before and after the dimensional reduction. For mixed states, we identify a protocol that we argue is optimal for isotropic and Werner states. In the literature, it has been conjectured that some Werner states are bound entangled and in support of this conjecture our protocol gives final states without entanglement for this class of states. For all other entangled Werner states and for all entangled isotropic states some degree of free entanglement is maintained. In this sense, our protocol may be used to discriminate between bound and free entanglement.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1140/epjd/e2004-00029-y

    Articles: DFG German National Licenses