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  • Atomic and molecular processes in external fields, including interactions with strong fields and short pulses  (15)
  • Conodont colour alteration index  (2)
  • American Physical Society (APS)  (15)
  • Springer  (2)
Collection
Publisher
  • American Physical Society (APS)  (15)
  • Springer  (2)
Years
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 83 (1994), S. 660-664 
    ISSN: 1437-3262
    Keywords: Northern Calcareous Alps ; Conodont colour alteration index ; Metamorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The middle and eastern parts of the Northern Calcareous Alps (NCA) can be subdivided into two distinct units with a lateral boundary marked by abrupt changes in the conodont colour alteration index (CAI-values). The first of these is a northern unit (Tirolikum) with a relatively homogeneous distribution of no or low grade conodont alteration (CAI 1.0–2.0). The thermal overprint is thought to be relatively young and related to a heat flow from the Tauern crystallization. The second unit consists of the Juvavic nappe system (Juvavikum), which is distributed along the southern rim of the NCA but also covers some of the northern parts of the Tirolikum. With respect to its CAI-distribution the Juvavikum is more heterogeneous on a regional and local scale, with some local CAI-inversions. The Juvavikum additionally shows distinctly different sets of CAI-values one with weak (CAI 1.0–1.5) and another with strong alteration (CAI 5.5–7.0) — at present the highest known thermal overprint measured in the NCA. The metamorphism is relatively old as it predates the Late Jurassic—Early Cretaceous gravity tectonic emplacement of the Juvavikum onto the Tirolikum. The high CAI-values of parts of the Juvavic nappe system are though to be related to tectonic burial in an accretionary wedge formed parallel to the closure of the ‘Vardar’ Ocean. The low CAI values of the Tirolikum apparently exclude a direct juxtaposition of the two units at the time of metamorphism.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 83 (1994), S. 660-664 
    ISSN: 1437-3262
    Keywords: Northern Calcareous Alps ; Conodont colour alteration index ; Metamorphism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The middle and eastern parts of the Northern Calcareous Alps (NCA) can be subdivided into two distinct units with a lateral boundary marked by abrupt changes in the conodont colour alteration index (CAI-values). The first of these is a northern unit (Tirolikum) with a relatively homogeneous distribution of no or low grade conodont alteration (CAI 1.0–2.0). The thermal overprint is thought to be relatively young and related to a heat flow from the Tauern crystallization. The second unit consists of the Juvavic nappe system (Juvavikum), which is distributed along the southern rim of the NCA but also covers some of the northern parts of the Tirolikum. With respect to its CAI-distribution the Juvavikum is more heterogeneous on a regional and local scale, with some local CAI-inversions. The Juvavikum additionally shows distinctly different sets of CAI-values one with weak (CAI 1.0–1.5) and another with strong alteration (CAI 5.5–7.0) — at present the highest known thermal overprint measured in the NCA. The metamorphism is relatively old as it predates the Late Jurassic—Early Cretaceous gravity tectonic emplacement of the Juvavikum onto the Tirolikum. The high CAI-values of parts of the Juvavic nappe system are though to be related to tectonic burial in an accretionary wedge formed parallel to the closure of the ‘Vardar’ Ocean. The low CAI values of the Tirolikum apparently exclude a direct juxtaposition of the two units at the time of metamorphism.
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  • 3
    Publication Date: 2016-07-20
    Description: Author(s): N. I. Shvetsov-Shilovski, M. Lein, L. B. Madsen, E. Räsänen, C. Lemell, J. Burgdörfer, D. G. Arbó, and K. Tőkési We present a semiclassical two-step model for strong-field ionization that accounts for path interferences of tunnel-ionized electrons in the ionic potential beyond perturbation theory. Within the framework of a classical trajectory Monte Carlo representation of the phase-space dynamics, the model e… [Phys. Rev. A 94, 013415] Published Tue Jul 19, 2016
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 4
    Publication Date: 2012-02-22
    Description: Author(s): Jost Henkel, Manfred Lein, Volker Engel, and Ingo Dreissigacker By solving the time-dependent Schrödinger equation for atoms in short laser pulses of different polarizations, it is shown that in strong-field ionization without rescattering, the lateral width of the electron-momentum distribution corresponds adiabatically to the instantaneous laser field on a sub... [Phys. Rev. A 85, 021402] Published Tue Feb 21, 2012
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 5
    Publication Date: 2013-02-14
    Description: Author(s): Alexis Chacon, Manfred Lein, and Camilo Ruiz We extend the ideas of wave-packet interferometry [ Remetter et al. Nat. Phys. 2 323 (2006) ] to implement the algorithm of spectral phase interferometry for direct electric-field reconstruction (SPIDER) for characterizing the amplitude and phase of electron wave packets. Single-photon ionization by... [Phys. Rev. A 87, 023408] Published Wed Feb 13, 2013
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
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  • 6
    Publication Date: 2011-07-30
    Description: Author(s): Maria Tudorovskaya and Manfred Lein We investigate high-order harmonic generation from laser-irradiated systems that support a shape resonance. From the numerical solution of the time-dependent Schrödinger equation, we calculate the harmonic spectra and the time-frequency analysis of the harmonic intensity and phase. The analysis reve... [Phys. Rev. A 84, 013430] Published Fri Jul 29, 2011
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
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  • 7
    Publication Date: 2011-05-21
    Description: Author(s): Jost Henkel, Manfred Lein, and Volker Engel We present quantum-mechanical studies on above-threshold ionization of molecular ions in two and three dimensions. The momentum distributions show signatures of interfering emissions from the molecular centers. These structures deviate from a simple double-slit model that ignores the electron-ion in... [Phys. Rev. A 83, 051401] Published Thu May 19, 2011
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
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  • 8
    Publication Date: 2018-10-16
    Description: Author(s): Lun Yue, Philipp Wustelt, A. Max Sayler, Florian Oppermann, Manfred Lein, Gerhard G. Paulus, and Stefanie Gräfe We investigate dissociative single and double ionization of HeH + induced by intense femtosecond laser pulses. By employing a semiclassical model with nuclear trajectories moving on field-dressed surfaces and ionization events treated as stochastical jumps, we identify a strong-field mechanism wherei... [Phys. Rev. A 98, 043418] Published Mon Oct 15, 2018
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
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  • 9
    Publication Date: 2016-02-12
    Description: Author(s): Stefan Pabst, Manfred Lein, and Hans Jakob Wörner Strong-field ionization (SFI) has been shown to prepare wave packets with few-femtosecond periods. Here, we explore whether this technique can be extended to the attosecond time scale. We introduce an intuitive model, which is based on the Fourier transform of the subcycle SFI rate, for predicting t… [Phys. Rev. A 93, 023412] Published Thu Feb 11, 2016
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
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  • 10
    Publication Date: 2018-12-14
    Description: Author(s): Simon Brennecke and Manfred Lein We provide an in-depth analysis of high-order above-threshold ionization of atoms and molecules by strong laser pulses, using three different theoretical approaches beyond the electric dipole approximation: (i) the numerical solution of the time-dependent Schrödinger equation, (ii) the classical thr... [Phys. Rev. A 98, 063414] Published Thu Dec 13, 2018
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
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    Electronic ISSN: 1094-1622
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