Femtosecond x rays link melting of charge-density wave correlations and light-enhanced coherent transport in
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Max-Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany)
- Max-Planck Institute for Solid State Research, Stuttgart (Germany); Helmholtz-Zentrum Berlin fur Materialien und Energie, Berlin (Germany)
- Max-Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany); Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Max-Planck Institute for Solid State Research, Stuttgart (Germany)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Max-Planck Institute for the Structure and Dynamics of Matter, Hamburg (Germany); Univ. of Oxford (United Kingdom)
- Diamond Light Source, Didcot (United Kingdom)
In this study, we use femtosecond resonant soft x-ray diffraction to measure the optically stimulated ultrafast changes of charge density wave correlations in underdoped YBa₂Cu₃O₆.₆. We find that when coherent interlayer transport is enhanced by optical excitation of the apical oxygen distortions, at least 50% of the in-plane charge density wave order is melted. These results indicate that charge ordering and superconductivity may be competing up to the charge ordering transition temperature, with the latter becoming a hidden phase that is accessible only by nonlinear phonon excitation.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC00112704; AC02-98CH10886
- OSTI ID:
- 1182511
- Alternate ID(s):
- OSTI ID: 1181472
- Report Number(s):
- BNL-107480-2015-JA; PRBMDO; R&D Project: PO011; KC0201060
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 90, Issue 18; ISSN 1098-0121
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 44 works
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