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Penrose R., Rindler W. — Spinors and Space-Time: Volume 1, Two-Spinor Calculus and Relativistic Fields (Cambridge Monographs on Mathematical Physics) (v. 1)
Penrose R., Rindler W. — Spinors and Space-Time: Volume 1, Two-Spinor Calculus and Relativistic Fields (Cambridge Monographs on Mathematical Physics) (v. 1)

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Название: Spinors and Space-Time: Volume 1, Two-Spinor Calculus and Relativistic Fields (Cambridge Monographs on Mathematical Physics) (v. 1)

Авторы: Penrose R., Rindler W.

Аннотация:

This book provides a very comprehensive account of two-spinor calculus, along with some of its applications to physics. This material is intrinsically interesting and has some applications to physics, in addition it also provides the background needed to study volume II. The second volume covers applications to physics in more detail and twistors too.Spinors unquestionably play a central role in quantum mechanics. Some problems in general relativity are certainly more transparent when approached with spinors, as compared to the usual tensor analysis. This combined with the fact that one can roughly view a spinor as the square root of a null vector and considering things like Dirac's scissors suggest the possibility that spinors are more fundamental than tensors and may provide a deeper insight into the nature of space-time than tensors do. This is one of the main themes of the book, I personally find the arguments intriguing.The first two chapters establish the geometry and algebra of spinors. The pace is reasonable and the approach is very geometrical. Then the correspondence between tensors and spinors is developed. First the authors show how to represent tensors as spinors and then they show how to represent spinors as tensors. As an application of this they show how a Lorentz transformation is represented by two spin transformations. This is followed by a chapter that takes many concepts from differential geometry and puts them in spinor form, including Einstein's equation.The final chapter mostly considers fields formulated in terms of spinors. This includes the electromagnetic field, Yang-Mills fields (a nice introduction to fibre bundles is included) and general relativity.On the whole I think this book provides an excellent development of two-spinor calculus, with a nice emphasis on the geometry of spinors. It takes some familiar fields, such as the electromagnetic field, and formulates them in terms of spinors. However, one thing I thought was missing was more extended discussions of the known situations in general relativity where spinor methods prove more useful than tensor methods, e.g. the classification of the Weyl tensor or Witten's proof of the positive energy theorem. More material like this is presented in volume II. This book also gives some general arguments that spinors may be more fundamental than tensors and hence provide more insight into the nature of space-time, in fact this is one of the central themes of the book. I find the arguments to be very plausible, but I think it's safe to say that even twenty years after the publication of the book that it has yet to be demonstrated.


Язык: en

Рубрика: Разное/

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 1984

Количество страниц: 466

Добавлена в каталог: 11.03.2018

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