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  • 42.55M  (1)
  • 79.20.Ds  (1)
  • Becchi-Rouet-Stora symmetries  (1)
  • Springer  (3)
  • PANGAEA
  • 1985-1989  (3)
Collection
Keywords
Publisher
  • Springer  (3)
  • PANGAEA
Years
  • 1985-1989  (3)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Experimental test of a four-level kinetic model for excited-state intramolecular proton transfer dye lasers (1989)
    Springer
    Applied physics 49 (1989), S. 545-552 
    Details
    ISSN: 1432-0649
    Keywords: 33.50 ; 42.55M
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The nanosecond pulses of a dye laser oscillator based on the excited-state intramolecular proton-transfer reaction (IPT) of salicylamide and 2′-hydroxylphenyl benzimidazole dyes have been studied as a function of several experimental parameters. To explain the operation of this laser a numerical four-level kinetic model was developed until the lasing properties of these dyes, in the presence of a variable oxygen concentration and pumped with a double pulse technique, could be reproduced. This was possible only by assuming that the efficiency of the laser is controlled by the absorption cross-section of a transient state with a lifetime in the nanosecond-picosecond range, which was tentatively identified as a ground state tautomeric species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00324955
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  • 2
    Electronic Resource
    Electronic Resource
    Ge diffusion into GaAs by pulsed laser irradiation (1988)
    Springer
    Applied physics 46 (1988), S. 191-196 
    Details
    ISSN: 1432-0630
    Keywords: 61.70.Tm ; 79.20.Ds ; 72.80.Ey
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Ge diffusion into GaAs from thin evaporated layers as sources is reported. Irradiation with aQ-switched ruby laser gives rise ton-type diffused layers of a thickness from 240 to 710 Å. A strong compensation of the diffused layers, that cannot be removed by thermal annealing, was observed. From the present experimental results it can be inferred that the diffusion coefficient increases at the melting point by 5 to 6 orders of magnitude.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00939263
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Auxiliary ghost fields in statistical dynamics (1989)
    Springer
    Journal of statistical physics 56 (1989), S. 59-68 
    Details
    ISSN: 1572-9613
    Keywords: Classical statistical dynamics ; functional integral formalism ; Becchi-Rouet-Stora symmetries ; Ward identities ; stochastic differential equations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The path integral formulation of statistical dynamics involves a functional determinant whose role within the theory has remained somewhat unclear. This has occasionally led to incorrect generalizations of the formalism to the case of multiplicative random forces. We present a hidden symmetry of the theory and show how it can be used to clarify these issues. Important further applications are also pointed out.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01044231
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