Inflation and twist of a stellar magnetic field in the presence of a turbulent accretion disc

被引：7

作者：

Bardou, A ^{[1
]}

机构：

[1] Univ Newcastle Upon Tyne, Dept Math, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1999年 / 306卷 / 03期

关键词：

accretion; accretion discs; magnetic fields; MHD; turbulence; stars : magnetic fields;

D O I：

10.1046/j.1365-8711.1999.02559.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The interaction between a stellar magnetic field and a turbulent accretion disc creates a twist of the magnetic field which leads to an inflation of this magnetic field. This work shows that this inflation occurs for a large range of twists, and is significant even for twists of order 1.

引用

页码：669 / 674

页数：6

共 17 条

[1]

Bardou A, 1996, ASTRON ASTROPHYS, V307, P1009

[2]

Bardou A, 1998, ASTRON ASTROPHYS, V337, P966

[3]

BARDOU A, 1997, THESIS U PARIS 11 OR

[4] Observations of accreting pulsars [J].

Bildsten, L ;

Chakrabarty, D ;

Chiu, J ;

Finger, MH ;

Koh, DT ;

Nelson, RW ;

Prince, TA ;

Rubin, BC ;

Scott, DM ;

Stollberg, M ;

Vaughan, BA ;

Wilson, CA ;

Wilson, RB .

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1997, 113 (02) :367-408

[5]

BILDSTEN L, 1998, AIP C P, V431

[6]

BOUVIER J, 1995, ASTRON ASTROPHYS, V299, P89

[7] Disc structure around strongly magnetic accretors: a full disc solution with turbulent diffusivity [J].

Campbell, CG ;

Heptinstall, PM .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1998, 299 (01) :31-46

[8]

CAMPBELL CG, 1997, MAGNETOHYDRODYNAMICS

[9]

Frank J., 1992, ACCRETION POWER ASTR

[10] DISK ACCRETION BY MAGNETIC NEUTRON STARS [J].

GHOSH, P ;

LAMB, FK .

ASTROPHYSICAL JOURNAL, 1978, 223 (02) :L83-L87

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