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  Ultrafast quenching of the exchange interaction in a mott-insulator

Mentink, J., & Eckstein, M. (2015). Ultrafast quenching of the exchange interaction in a mott-insulator. Springer Proceedings in Physics, 159, 123-125.

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 Creators:
Mentink, J.1, 2, Author           
Eckstein, M.1, 2, Author           
Affiliations:
1Center for Free-Electron Laser Science (CFEL), ou_persistent22              
2Theory of Correlated Systems out of Equilibrium, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938296              

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 Abstract: The exchange interaction determines the ordering of microscopic spins in magnetic materials. While often considered static, here we report calculations of time-dependent nonequilibrium exchange interactions in a Mott insulator. The results suggest that free charge carriers created by (photo) excitation can cause an ultrafast quench of the exchange interaction.

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Language(s): eng - English
 Dates: 2015
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Internal
 Identifiers: DOI: 10.1007/978-3-319-07743-7_39
 Degree: -

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Title: International Conference UMC 2013
Place of Event: Strasbourg, France
Start-/End Date: 2013-10-28 - 2013-11-01

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Title: Springer Proceedings in Physics
Source Genre: Journal
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Publ. Info: Berlin : Springer-Verlag
Pages: - Volume / Issue: 159 Sequence Number: - Start / End Page: 123 - 125 Identifier: ISSN: 0930-8989
CoNE: https://pure.mpg.de/cone/journals/resource/110978978742279