Helicities in Geophysics, Astrophysics, and Beyond (eBook, PDF)

Redaktion: Kuzanyan, Kirill; Stepanov, Rodion; Georgoulis, Manolis K.; Yokoi, Nobumitsu

• Format: PDF

Produktbeschreibung

Presents cutting-edge studies of helicities from different research fields Helicities play essential roles in numerous geophysical, astrophysical, and magnetohydrodynamic phenomena, thus are studied from various disciplinary viewpoints. Helicities in Geophysics, Astrophysics, and Beyond draws together experts from different research fields to present an interdisciplinary and integrated approach to helicity studies. This synthesis advances understanding of the fundamental physical processes underlying various helicity-related phenomena. Volume highlights include: * Concise introduction to fundamental properties of helicities * Recent developments and achievements in helicity studies * Perspectives from different fields including geophysics, space physics, solar physics, plasma physics, atmospheric and nonlinear sciences * A cohesive mathematical, physical, observational, experimental, and numerical strategy for helicity studies * A synthesized framework for the application of helicity to real-world problems The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 272
• Erscheinungstermin: 4. Dezember 2023
• Englisch
• ISBN-13: 9781119841692
• Artikelnr.: 69661271

Autorenporträt

Kirill Kuzanyan, IZMIRAN/Russian Academy of Sciences, Russia. Nobumitsu Yokoi, University of Tokyo, Japan. Manolis K. Georgoulis, Academy of Athens, Greece. Rodion Stepanov, Perm Federal Research Center, Russia.

Inhaltsangabe

List of contributors vii

Preface ix

Part I Helicity Essentials: Basic and Fundamental Concepts 1

1 Introduction to Field Line Helicity 3
Anthony R. Yeates and Mitchell A. Berger

2 Magnetic Winding: Theory and Applications 17
David MacTaggart

3 Transport in Helical Fluid Turbulence 25
Nobumitsu Yokoi

Part II Helicity Manifestations in Nature and Their Observations 51

4 Observations of Magnetic Helicity Proxies in the Solar Photosphere: Helicity With Solar Cycles 53
Hongqi Zhang, Shangbin Yang, Haiqing Xu, Xiao Yang, Jie Chen, and Jihong Liu

5 Chirality of Solar Filaments and the Supporting Magnetic Field 75
Peng-Fei Chen

6 Solar Flares and Magnetic Helicity 83
Shin Toriumi and Sung-Hong Park

7 Magnetic Helicity Measurements in the Solar Wind 105
Yasuhito Narita

8 Magnetic Helicity in Rotating Neutron Stars 117
Maxim Dvornikov

9 Writhing From Biophysics to Solar Physics and Back 133
Christopher Prior and Arron N. Bale

10 Kinetic Helicity in the Earth's Atmosphere 149
Otto Chkhetiani and Michael Kurgansky

Part III Theoretical and Numerical Helicity Modeling 167

11 Effects of P-Noninvariance, Particles, and Dynamos 169
Victor B. Semikoz and Dmitry D. Sokoloff

12 Stability of Plasmas Through Magnetic Helicity 179
Simon Candelaresi and Fabio Del Sordo

13 Helicity-Conserving Relaxation in Unstable and Merging Twisted Magnetic Flux Ropes 189
Philippa K. Browning, Mykola Gordovskyy, and Alan W. Hood

14 Emergence of Magnetic Structure in Supersonic Isothermal Magnetohydrodynamic Turbulence 203
Jean-Mathieu Teissier and Wolf-Christian Müller

15 Nonlinear Mean-Field Dynamos With Magnetic Helicity Transport and Solar Activity: Sunspot Number and Tilt 217
Nathan Kleeorin, Kirill Kuzanyan, Igor Rogachevskii, and Nikolai Safiullin

16 The Spatial Segregation of Kinetic Helicity in Geodynamo Simulations 241
Avishek Ranjan and Peter Davidson

Index 259