Overview

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.

Full Product Details

Author:   Shoji Kato
Publisher:   Springer Verlag, Japan
Imprint:   Springer Verlag, Japan
Edition:   Softcover reprint of the original 1st ed. 2016
Volume:   437
Weight:   0.583kg
ISBN:  

9784431567790

ISBN 10:   4431567798
Pages:   261
Publication Date:   15 June 2018
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

Introduction.- Basic Quantities Related to Disk Oscillations.- Derivation of Linear Wave Equations and Wave Energy.- Vertical Oscillations.- Disk Oscillations in Radial Direction.- Classification of Oscillations and Their Characteristics.- Frequencies of Trapped Oscillations and Application.- Two Examples of Further Studies on Trapped Oscillations and Application.- Overstability of Oscillations by Viscosity.- Corotation Instability.- Wave-Wave Resonant Instability in Deformed Disks.- Wave-Wave Resonant Instability in Deformed Disks - Applications.- Sonic Point Instability and Stochastic Excitation of Oscillations by Turbulence.  

Reviews

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)

“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)

Author Information

Prof. Shoji Kato Emeritus professor, Department of Astronomy, Kyoto University  

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