Oscillations of Disks

Name: Oscillations of Disks
Brand: Springer
Price: 128.39 EUR
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Shoji Kato(Autor*in)

Springer (Verlag)

Erschienen am 26. September 2016

XV, 261 Seiten

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Beschreibung

This book presents the current state of research on disk oscillation theory, focusing on relativistic disks and tidally deformed disks. Since the launch of the Rossi X-ray Timing Explorer (RXTE) in 1996, many high-frequency quasiperiodic oscillations (HFQPOs) have been observed in X-ray binaries. Subsequently, similar quasi-periodic oscillations have been found in such relativistic objects as microquasars, ultra-luminous X-ray sources, and galactic nuclei. One of the most promising explanations of their origin is based on oscillations in relativistic disks, and a new field called discoseismology is currently developing. After reviewing observational aspects, the book presents the basic characteristics of disk oscillations, especially focusing on those in relativistic disks. Relativistic disks are essentially different from Newtonian disks in terms of several basic characteristics of their disk oscillations, including the radial distributions of epicyclic frequencies.

In orderto understand the basic processes of disk oscillations, studies on binary systems are of importance, as they offer valuable information on wave-wave coupling processes in disk oscillations. Accordingly, some characteristics of oscillations in deformed disks are also presented in this book.

The book consists of two parts. Points covered in Part I include, for instance, the basic characteristics of disk oscillations, classification of oscillation modes, and trapping of oscillations. In Part II, the focus is mainly on excitation processes of oscillations, while applications to observations are also discussed.

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"This book provides a detailed account of the types of oscillations that can occur in accretion discs. ... The level is appropriate for advanced undergraduates and above. ... Written by Kato, one of the leading figures of this topic, this constitutes an excellent resource for the mathematical machinery and physics involved in dynamical disc variability." (Chris Nixon, The Observatory, Vol. 137 (1260), October, 2017)

Oscillations of Disks

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