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  Dynamical Order and Superconductivity in a Frustrated Many-Body System

Tindall, J., Schlawin, F., Buzzi, M., Nicoletti, D., Coulthard, J. R., Gao, H., et al. (2020). Dynamical Order and Superconductivity in a Frustrated Many-Body System. Physical Review Letters, 125(13): 137001. doi:10.1103/PhysRevLett.125.137001.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-6ACB-F Version Permalink: http://hdl.handle.net/21.11116/0000-0007-0DB1-3
Genre: Journal Article

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PhysRevLett.125.137001.pdf (Publisher version), 650KB
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Supplemental.pdf (Supplementary material), 556KB
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Supplemental Material. - Additional plots showing the magnetic correlations of various states in the equilibrium phase diagram. Finite-size scaling analysis for the transitions observed in the model. Additional plots showing how our results hold for different forms of driving and parameters to those considered in the main text. Explicit demonstration of the diabatic behaviour of the system when driven at larger frequencies.
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https://arxiv.org/abs/2005.09073 (Preprint)
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 Creators:
Tindall, J.1, Author
Schlawin, F.1, Author
Buzzi, M.2, Author              
Nicoletti, D.2, Author              
Coulthard, J. R.1, Author
Gao, H.1, Author
Cavalleri, A.1, 2, Author              
Sentef, M. A.3, 4, Author              
Jaksch, D.1, 5, Author
Affiliations:
1Clarendon Laboratory, University of Oxford, ou_persistent22              
2Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938293              
3Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
4Institute for Theoretical Physics, University of Bremen, ou_persistent22              
5Centre for Quantum Technologies, National University of Singapore, ou_persistent22              

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 Abstract: In triangular lattice structures, spatial anisotropy and frustration can lead to rich equilibrium phase diagrams with regions containing complex, highly entangled states of matter. In this work, we study the driven two-rung triangular Hubbard model and evolve these states out of equilibrium, observing how the interplay between the driving and the initial state unexpectedly shuts down the particle-hole excitation pathway. This restriction, which symmetry arguments fail to predict, dictates the transient dynamics of the system, causing the available particle-hole degrees of freedom to manifest uniform long-range order. We discuss implications of our results for a recent experiment on photoinduced superconductivity in κ−(BEDT−TTF)2Cu[N(CN)2]Br molecules.

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Language(s): eng - English
 Dates: 2020-08-232020-05-142020-08-252020-09-222020-09-25
 Publication Status: Published in print
 Pages: -
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 Rev. Type: Peer
 Identifiers: arXiv: 2005.09073
DOI: 10.1103/PhysRevLett.125.137001
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Grant ID : 319286
Funding program : Funding Programme 7 (FP7)
Funding organization : European Commission (EC)

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 125 (13) Sequence Number: 137001 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1