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  • 1
    ISSN: 1432-1076
    Keywords: Multiple Malformations ; Cleft Lip ; Polydactyly ; Syndactyly ; Genital Anomalies ; Anomalies of the Extremities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bericht über 4 perinatal verstorbene Neugeborene mit medianer Oberlippenspalte, exzessiver Polysyndaktylie, verkürzten Rippen und Gliedmaßen, Genitalmißbildungen, Anomalien der Epiglottis und Mißbildungen innerer Organe. In der Literaturkasuistik fanden wir 13 gleichartige und 19 ähnliche Fälle, die wahrscheinlich einem eigenen, bisher unerkannten Syndrom zugehörig sind. Dieses Syndrom kann von 12 morphologisch mehr oder minder ähnlichen Syndromen abgegrenzt werden. Die Ätiologie ist unbekannt.
    Notes: Abstract 4 newborn babies dying shortly after birth exhibited severe malformations including median cleft lip, excessive polysyndactyly, short ribs and limbs, genital abnormalities, and anomalies of epiglottis and visceral organs. 13 nearly identical cases were found in the literature. In addition, 19 similar cases have been described. They all probably represent a separate, previously unrecognized syndrome. This peculiar association of congenital malformations can be clearly delineated from 12 syndromes, which share more or less similar features. The etiology is unknown.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Communications in mathematical physics 92 (1983), S. 229-245 
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract A new method to compute effects of tunneling in one-dimensional multiple well is developed. A tunneling parameter built with physical quantities is introduced to measure the splitting between eigenvalues due to tunneling. These splittings are given by convergent series in term of this tunneling parameter for a wide class of double well.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Communications in mathematical physics 25 (1972), S. 127-151 
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract The unitary (pseudo unitary) time-evolution operator for a particle with spin half (zero) in an external time-dependent electromagnetic (scalar) field is used to generate a Bogoliubov automorphism on the algebra of the free in field. For the case of an electric external field (scalar field) a finite expression for Ωout is given and theS-matrix constructed. The latter is unitary and implements the Bogoliubov automorphism. Theorems by Shale and Stinespring are rederived.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of statistical physics 22 (1980), S. 27-57 
    ISSN: 1572-9613
    Keywords: Thermodynamic correlation functions ; two-dimensional models ; Luttinger model ; relativistic fermion fields ; Thirring model ; boson-fermion reciprocity ; bosonization ; collective coordinates
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The thermodynamic correlation functions of the Luttinger model are computed. The main tool is a precise bosonization formula for the fermion field.
    Type of Medium: Electronic Resource
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