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  • 1985-1989  (5)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Spontaneous breaking of Anti-de Sitter supersymmetry (1987)
    Springer
    The European physical journal 33 (1987), S. 551-560 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We compute the one-loop effective potential of the Wess-Zumino model in Anti-de Sitter space. The effect of the background geometry is determined exactly. After the renormalization of the kinetic action and the insertion of a linear counterterm in the superpotential, we solve the quantum-corrected equations of motion, obtaining the vacuum solutions in the semiclassical approximation. The vacuum expectation values of theA andB fields are shifted by finite terms which depend upon the boundary conditions for the field propagators. Despite this result, we show with complete generality that supersymmetry is preserved to the one-loop order at each classically supersymmetric extremum of the effective potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01548268
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Semiclassical solutions ofOSp(N,4) supersymmetry 0 (1987)
    Springer
    The European physical journal 35 (1987), S. 389-397 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This work analyzes the connection between the so-called reflective boundary conditions and the spontaneous breaking of supersymmetry in anti-de Sitter background space. The one-loop effective potential of the Wess-Zumino model is computed using the supersymmetry invariant Pauli-Villars regularization procedure. The effect of the background geometry is determined exactly. It is shown that supersymmetry is preserved to the one-loop order at each classically supersymmetric extremum of the effective potential. Depending on the reflective boundary conditions chosen, quantum shifts in theA-field andB-field vacuum solutions are exhibited.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01570777
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Order α′3 effective action of superstring theory (1987)
    Springer
    The European physical journal 36 (1987), S. 229-233 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We calculate the on-shell effective action which generates toO(α′3) the tree-level stringS-matrix elements with external graviton and dilaton fields.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01579138
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Spontaneous breaking of anti-de sitter supersymmetry (1987)
    Springer
    The European physical journal 34 (1987), S. 558-558 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01679874
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Finite renormalizations of 0Sp(N, 4) supersymmetry (1987)
    Springer
    The European physical journal 34 (1987), S. 249-254 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The calculation of the one-loop effective potential of the Wess-Zumino model is carried out using Green functions which propagate fields inn-dimensional anti-de Sitter space. The divergent parts of the amplitudes are independent of the choice of boundary conditions. The finite counterterms can be adjusted in such a way that the renormalized action be supersymmetric invariant. Addressing the question of the survival of the supersymmetry invariance of the vacuum state, we derive the result of the persistence of supersymmetry in the semiclassical approximation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01566766
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    Paper (German National Licenses)
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