Gauge Invariance and Hall Terms in the Quasiclassical Equations of Superconductivity

This paper presents a careful derivation of the quasiclassical equations of superconductivity so that a manifest gauge invariance is retained with respect to the space-time arguments of the quasiclassical Green's function $\hat{g}$. The terms responsible for the Hall effect naturally appear from the derivation. The equations are applicable to clean as well as dirty superconductors for an arbitrary external frequency much smaller than the Fermi energy. Thus, they will form a basis toward a complete microscopic understanding of the Hall effect in type-II superconductors.Comment: 9 pages, 1 figur

Generalized gradient expansions in quantum transport equations

Gradient expansions in quantum transport equations of a Kadanoff-Baym form have been reexamined. We have realized that in a consistent approach the expansion should be performed also inside of the self-energy in the scattering integrals of these equations. In the first perturbation order this internal expansion gives new correction terms to the generalized Boltzman equation. These correction terms are found here for several typical systems. Possible corrections to the theory of a linear response to weak electric fields are also discussed.Comment: 20 pages, latex, to appear in Journal of Statistical Physics, March (1997

РОЛЬ МІНІІНВАЗИВНИХ МЕТОДІВ В ДІАГНОСТИЦІ АУТОІМУННИХ ЗАХВОРЮВАНЬ З УРАЖЕННЯМ ОРГАНІВ ДИХАННЯ

Проведений ретроспективний аналіз діагностики аутоімунних захворювань з ураженням органів дихання у 32 пацієнтів різного віку. Наведені види виконаних оперативних втручань, імунологічні та інші методи лабораторних досліджень, а також функціональні методи з обґрунтуванням необхідності їх застосування для верифікації діагнозу. В усіх спостереженнях ідентифіковано специфіку аутоімунного ураження. Наголошено на необхідності ранньої діагностики захворювань і призначення адекватного патогенетичного лікування

SIGNIFICANCE OF DIFFERENT KINDS OF CORRECTION OF THE HEMITHORAX VOLUME IN SURGICAL TREATMENT OF PATIENTS WITH LUNG AND PLEURA TUBERCULOSIS

In the article, with 72 patients, taken as an example, with tuberculosis of respiratory organs the authors present their clinical experience with using various methods of surgical correction of the hemithorax volume (by means of extrapleural, intrapleural, extra-intrapleural correcting thoracoplasties and diaphragmplasty) during performing resections on the lungs and/or pleura. Substantiation is given to the necessity of correcting hemithorax volume in patients with tuberculosis of respiratory organs in performing resections of great volume

VIDEO-ASSISTED THORACIC LUNG RESECTION IN TUBERCULOUS PATIENTS

The article showed the clinical experience using video-assisted pulmonary resection in tuberculous patients (47 operations). Upper lobectomy on the right was carried out in 10 (21, 3%) cases. Upper lobectomy on the left was performed in 6 (12,8%) cases. This fact could be explained by the frequency of affection of mentioned lung sites in tubercular process. A level of intraoperative complications consisted of 8,5% in video-assisted lung resections. The rate of postoperative complications was 10,6%. General efficacy of the application of video-assisted lung resections estimated 97,9%