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  • 1
    Electronic Resource
    Electronic Resource
    SUq(2) quantum group analysis of rotational spectra of diatomic molecules (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 5614-5617 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The spectra of some diatomic molecules are analyzed in terms of a SUq(2) symmetry. Particular emphasis is put on those molecules with relatively high values of Dn and Hn. The excellent agreement found between the observed and calculated wave numbers can be seen as an indication that an up to now hidden symmetry SUq(2) is present.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.462709
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  • 2
    Electronic Resource
    Electronic Resource
    First-order transitions in one-dimensional systems with local couplings (1991)
    Springer
    Journal of statistical physics 65 (1991), S. 483-494 
    Details
    ISSN: 1572-9613
    Keywords: Phase transitions ; reflection positivity ; clock models
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We point out the existence of first-order phase transitions in a family of one-dimensional classical spin systems. The relevant features of such models are that they involve only local (but complex) interactions and that the corresponding transfer matrices are self-adjoint operators. Moreover, for a wide range of coupling parameters the models satisfy the reflection positivity condition. The generalization for continuous spin systems enjoys similar properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01053741
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Radiative kinks and fermionic zero modes in a (λφ6)1+1 model (1990)
    Springer
    International journal of theoretical physics 29 (1990), S. 1285-1297 
    Details
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider bidimensional scalar models including kink solutionsφ k (x). Using the hidden supersymmetric properties of the Dirac equation, we describe a general method to find normalizable fermionic zero modes. In particular, we apply the technique to a (λφ 6)1+1 model. Going to the one-loop order of the effective potential, the emergence of a radiative kink provides an interesting scalar background in order to discuss the Dirac equation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00674111
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    Paper (German National Licenses)
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