NON-RIEMANNIAN THEORIES OF GRAVITATION AND THE DIRAC EQUATION Год выпуска: 2010Автор: MUZAFFER ADAKИздательство: LAP Lambert Academic PublishingСтраниц: 76ISBN: 9783838351391Описание In Einstein''s gravitational theory, the space-time is pseudo-Riemannian, that is, it has vanishing torsion and vanishing non-metricity. In this work we investigate theories of gravitation in terms of non-Riemannian space-time geometries, then couple electromagnetic and spinor fields to this non-Riemannian gravity. In addition, we treat the Dirac equation containing torsion and non-metricity of space-time by lifting the tangent bundle to the spinor bundle. In order to gain physical insights on torsion and non-metricity we look at the low energy limit of the Dirac equation via the Foldy-Wouthuysen transformation. Finally we apply all these mathematical concepts to a physical phenomenon; solar neutrino problem. This problem is solved by the assumption of neutrino oscillations and it is seen that the torsion of space-time contributes to the oscillations depending on the polarization of spin states of mass eigenstates and this contribution is of the order of the Planck scale. This book...
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Katia, 11.05 Юля, спасибо вам за работу! То, что я читаю, мне лично нравится. Надеюсь, руководитель со мной тоже будет согласен. Кстати, вы пишете с использованием его любимых слов во многих случаях, вы с ним случайно не знакомы?! ;-) yul
