Turbulent Processes and Mean-Field Dynamo

被引：10

作者：

Brandenburg, Axel ^{[1
,2
,3
,4
,5
,6
]}

Elstner, Detlef ^{[7
]}

Masada, Youhei ^{[8
]}

Pipin, Valery ^{[9
]}

机构：

[1] KTH Royal Inst Technol, Nordita, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden

[2] Stockholm Univ, Hannes Alfvens Vag 12, S-10691 Stockholm, Sweden

[3] Oskar Klein Ctr, Dept Astron, S-10691 Stockholm, Sweden

[4] Ilia State Univ, Sch Nat Sci & Med, Tbilisi 0194, Georgia

[5] Carnegie Mellon Univ, McWilliams Ctr Cosmol, Pittsburgh, PA 15213 USA

[6] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA

[7] Leibniz Inst Astrophys Potsdam AIP, Sternwarte 16, D-14482 Potsdam, Germany

[8] Fukuoka Univ, Dept Appl Phys, Fac Sci, Fukuoka 8140180, Japan

[9] Russian Acad Sci, Inst Solar Terr Phys, Irkutsk 664033, Russia

来源：

SPACE SCIENCE REVIEWS | 2023年 / 219卷 / 07期

基金：

瑞典研究理事会;

关键词：

Large-scale dynamos; Turbulence; Stellar magnetism; Magnetic helicity; LARGE-SCALE DYNAMOS; SOLAR TORSIONAL OSCILLATIONS; DIRECT NUMERICAL SIMULATIONS; MAGNETIC HELICITY; CROSS-HELICITY; ROTATING MAGNETOCONVECTION; ASTROPHYSICAL DYNAMOS; ELECTROMOTIVE-FORCE; CONVECTION ZONE; NONLOCAL ALPHA;

D O I：

10.1007/s11214-023-00999-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Mean-field dynamo theory has important applications in solar physics and galactic magnetism. We discuss some of the many turbulence effects relevant to the generation of large-scale magnetic fields in the solar convection zone. The mean-field description is then used to illustrate the physics of the a effect, turbulent pumping, turbulent magnetic diffusivity, and other effects on a modern solar dynamo model. We also discuss how turbulence transport coefficients are derived from local simulations of convection and then used in mean-field models.

引用

页数：57

共 256 条

[91] A theoretical model of the variation of the meridional circulation with the solar cycle [J].

Hazra, Gopal ;

Choudhuri, Arnab Rai .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2017, 472 (03) :2728-2741

[92] Solar differential rotation reproduced with high-resolution simulation [J].

Hotta, H. ;

Kusano, K. .

NATURE ASTRONOMY, 2021, 5 (11) :1100-1102

[93] Large-scale magnetic fields at high Reynolds numbers in magnetohydrodynamic simulations [J].

Hotta, H. ;

Rempel, M. ;

Yokoyama, T. .

SCIENCE, 2016, 351 (6280) :1427-1430

[94] THE SUN IS OBSERVED TO BE A TORSIONAL OSCILLATOR WITH A PERIOD OF 11 YEARS [J].

HOWARD, R ;

LABONTE, BJ .

ASTROPHYSICAL JOURNAL, 1980, 239 (01) :L33-L36

[95] The torsional oscillation and the new solar cycle [J].

Howe, R. ;

Hill, F. ;

Komm, R. ;

Christensen-Dalsgaard, J. ;

Larson, T. P. ;

Schou, J. ;

Thompson, M. J. ;

Ulrich, R. .

GONG-SOHO 24: A NEW ERA OF SEISMOLOGY OF THE SUN AND SOLAR-LIKE STARS, 2011, 271

[96] The α effect with imposed and dynamo-generated magnetic fields [J].

Hubbard, A. ;

Del Sordo, F. ;

Kapyla, P. J. ;

Brandenburg, A. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2009, 398 (04) :1891-1899

[97] CATASTROPHIC QUENCHING IN αΩ DYNAMOS REVISITED [J].

Hubbard, Alexander ;

Brandenburg, Axel .

ASTROPHYSICAL JOURNAL, 2012, 748 (01)

[98] MEMORY EFFECTS IN TURBULENT TRANSPORT [J].

Hubbard, Alexander ;

Brandenburg, Axel .

ASTROPHYSICAL JOURNAL, 2009, 706 (01) :712-726

[99] Turbulent reconnection of magnetic bipoles in stratified turbulence [J].

Jabbari, S. ;

Brandenburg, A. ;

Mitra, Dhrubaditya ;

Kleeorin, N. ;

Rogachevskii, I. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2016, 459 (04) :4046-4056

[100] Magnetic flux concentrations from dynamo-generated fields [J].

Jabbari, S. ;

Brandenburg, A. ;

Losada, I. R. ;

Kleeorin, N. ;

Rogachevskii, I. .

ASTRONOMY & ASTROPHYSICS, 2014, 568

← 5 6 7 8 9 10 11 12 13 14 →