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Femtosecond Coherent Non-equilibrium Electronic Ordering and Dynamics of Topological Defect in Charge Density Waves

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Abstract

We report on a new optical approach to study the far-from-equilibrium evolution of the electronic charge ordering after a quench caused by an intense laser pulse. The new multi-pulse spectroscopy technique with a femtosecond resolution allowed us to simultaneously monitor bosonic and fermionic components, coherent aperiodic undulations of the order parameter, critical slowing down of the collective mode (akin to the Higgs boson), and evolution of the particle-hole gap, which is due to the Peierls–BCS mechanism (akin to the Higgs one). The numerical modeling succeeded reproducing the observations with no fitting parameters, particularly the spatio-temporal distortions caused by Higgs-wave-like disturbances arising from annihilation of topological defects inside the sample.

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Authors and Affiliations

  1. Jozef Stefan Institute, Ljubljana, Slovenia

    R. Yusupov, T. Mertelj, V. V. Kabanov, P. Kusar & D. Mihailovic

  2. Applied Physics, Stanford University, Stanford, CA, USA

    J.-H. Chu & I. R. Fisher

  3. LPTMS-CNRS, U. Paris-Sud, bat. 100, Cite Université, 91405, Orsay, France

    S. Brazovskii

Authors
  1. R. Yusupov
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  2. T. Mertelj
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  3. V. V. Kabanov
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  4. P. Kusar
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  5. D. Mihailovic
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  6. J.-H. Chu
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  7. I. R. Fisher
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  8. S. Brazovskii
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Corresponding author

Correspondence to S. Brazovskii.

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Yusupov, R., Mertelj, T., Kabanov, V.V. et al. Femtosecond Coherent Non-equilibrium Electronic Ordering and Dynamics of Topological Defect in Charge Density Waves. J Supercond Nov Magn 24, 1191–1193 (2011). https://doi.org/10.1007/s10948-010-1107-z

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  • DOI: https://doi.org/10.1007/s10948-010-1107-z

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