Journal Article

PUBDB-2016-02102

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Ultrafast Electronic Phase Transition in $\mathrm{La_{1/2}Sr_{3/2} MnO_4}$ by Coherent Vibrational Excitation: Evidence for Nonthermal Melting of Orbital Order

Tobey, R. I. (Corresponding author) ; Prabhakaran, D.Extern* ; Boothroyd, A. T. ; Cavalleri, A.CFEL*MPG*

2008
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.101.197404

Abstract: An ultrafast electronic phase transition, associated with melting of orbital order, is driven in La$_{1/2}$Sr$_{3/2}$ MnO$_4$ by selectively exciting the Mn-O stretching mode with femtosecond pulses at 16  μm wavelength. The energy coupled into this vibration is less than 1% of that necessary to induce the transition thermally. Nonthermal melting of this electronic phase originates from coherent lattice displacements comparable to the static Jahn-Teller distortion.

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Contributing Institute(s):

1. Forschungsgruppe für strukturelle Dynamik (MPSD)

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. No specific instrument

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Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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