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Terahertz macrospin dynamics in insulating ferrimagnets

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posted on 2023-06-08, 16:42 authored by Mostafa Shalaby, Francois Vidal, Marco Peccianti, Roberto Morandotti, Florian Enderli, Thomas Feurer, Bruce D Patterson
We investigate numerically the excitation of nonlinear magnetic interactions in a ferrite material by an energetic pump pulse of terahertz (THz) radiation. The calculations are performed by solving the coupled Maxwell and Landau-Lifshitz-Gilbert differential equations. In a time-resolved THz pump/THz probe scheme, it is demonstrated that Faraday rotation of a delayed THz probe pulse can be used to map these interactions. Our study is motivated by the ability of soft x-ray free electron lasers to perform time-resolved imaging of the magnetization process at the submicrometer and subpicosecond length and time scales. © 2013 American Physical Society.

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review B

ISSN

1098-0121

Publisher

American Physical Society

Issue

14

Volume

88

Page range

140301-1-140301-5

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2014-05-27

First Open Access (FOA) Date

2016-12-07

First Compliant Deposit (FCD) Date

2014-05-24

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