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Magnetodynamics Inside and Outside M...

Li, Xinyu.

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Magnetodynamics Inside and Outside Magnetars.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Magnetodynamics Inside and Outside Magnetars./
Author:	Li, Xinyu.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	169 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-03, Section: B.
Contained By:	Dissertations Abstracts International81-03B.
Subject:	Physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=22619062
ISBN:	9781088358276

Magnetodynamics Inside and Outside Magnetars.
Li, Xinyu.

Magnetodynamics Inside and Outside Magnetars. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 169 p.

Source: Dissertations Abstracts International, Volume: 81-03, Section: B.

Thesis (Ph.D.)--Columbia University, 2019.

This item must not be sold to any third party vendors.

The ultra-strong magnetic fields of magnetars have profound implications for their radiative phenomena. We study the dynamics of strong magnetic fields inside and outside magnetars. Inside the magnetar, the strong magnetic stress can break the crust and trigger plastic failures. The interaction between magnetic fields and plastic failures is studied in two scenarios: 1. Internal Hall waves launched from the core-crust interface can initiate plastic failures and lead to X-ray outbursts. 2. External Alfven waves produced by giant flares can also initiate crustal plastic failures which dissipate the waves and give rise to delayed thermal afterglow. The crustal dissipation of Alfven waves competes with the magnetospheric dissipation outside the magnetar. Using a high order simulation of Force-Free Electrodynamics (FFE), we found that the magnetospheric dissipation of Alfven waves is generally slow and most wave energy will dissipate inside the magnetar.

ISBN: 9781088358276Subjects--Topical Terms:

516296
Physics.
Subjects--Index Terms:

Magnetars

Magnetodynamics Inside and Outside Magnetars.
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100 1 $a Li, Xinyu. $3 3278524
245 1 0 $a Magnetodynamics Inside and Outside Magnetars.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 169 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-03, Section: B.
500 $a Advisor: Beloborodov, Andrei M.
502 $a Thesis (Ph.D.)--Columbia University, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a The ultra-strong magnetic fields of magnetars have profound implications for their radiative phenomena. We study the dynamics of strong magnetic fields inside and outside magnetars. Inside the magnetar, the strong magnetic stress can break the crust and trigger plastic failures. The interaction between magnetic fields and plastic failures is studied in two scenarios: 1. Internal Hall waves launched from the core-crust interface can initiate plastic failures and lead to X-ray outbursts. 2. External Alfven waves produced by giant flares can also initiate crustal plastic failures which dissipate the waves and give rise to delayed thermal afterglow. The crustal dissipation of Alfven waves competes with the magnetospheric dissipation outside the magnetar. Using a high order simulation of Force-Free Electrodynamics (FFE), we found that the magnetospheric dissipation of Alfven waves is generally slow and most wave energy will dissipate inside the magnetar.
590 $a School code: 0054.
650 4 $a Physics. $3 516296
653 $a Magnetars
653 $a Magnetic fields
653 $a Neutron stars
653 $a Waves
690 $a 0605
710 2 $a Columbia University. $b Physics. $3 2101563
773 0 $t Dissertations Abstracts International $g 81-03B.
790 $a 0054
791 $a Ph.D.
792 $a 2019
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=22619062