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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 1835-1841 
    ISSN: 0392-6737
    Keywords: Phenomenological theories (two-fluid, Ginzburg-Landau, etc.) ; Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) ; High-T c cuprates ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The applicability of the Kosterlitz-Thouless theory to HTSC is examined. The model initially presented in its general lines for bidimensional systems is then applied to superconductors. The possibility to explain some dissipative effects (R(T) tails and non-linearV(I) dependences) is examined. The agreement with the experiments in HTSC is presented on the basis of an extension of the theory to quasi-bidimensional systems formed by stacks of weakly coupled superconducting layers.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 2 (1983), S. 898-906 
    ISSN: 0392-6737
    Keywords: Lasing processes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Un sistema a griglia del tipo di Bradbury-Nielsen opportunamente modificato è stato adottato per la misura della velocità di deriva in due miscele gassose di particolare interesse per la modellistica, dei laser a CO2. I risultati sono stati confrontati coi valori teorici ottenuti con la convenzionale teoria a due termini al fine di valutare i limiti della teoria ed allo stesso tempo avere utili indicazioni sull’accuratezza delle sezioni d’urto dedotte con il metodo degli sciami, attualmente disponibili nella letteratura.
    Abstract: Резюме Используется модифицированная сеточная система Щрадбури-Нильсона для идмерения электронной дрейфовой скорости в двух чазовых смесях, применяемых для моделирования CO2 лазеров. Полученыу резуьтаты сравниваются с теоретическими величинами из обычной теории, чтобы оцеить пределы теоретических предсказаний и указать точность имеющихся поперечных сечений.
    Notes: Summary A modified Bradbury-Nielsen grid system has been used to measure the electron drift velocityW in two gas mixtures of special interest when modelling h.p. CO2 lasers. The results are compared with the theoretical values obtained with the conventional two-term theory in order to assess the limits of the theoretical predictions and have indications on the accuracy of the available cross-sections.
    Type of Medium: Electronic Resource
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