Nearly Perfect Fluidity in a High Temperature Superconductor
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Iowa State University, Ames, IA (United States)
In this study, perfect fluids are characterized as having the smallest ratio of shear viscosity to entropy density, η/s,consistent with quantum uncertainty and causality. So far, nearly perfect fluids have only been observed in the Quark-Gluon Plasma (QGP) and in unitary atomic Fermi gases (UFG), exotic systems that are amongst the hottest and coldest objects in the known universe, respectively. We use Angle Resolve Photoemission Spectroscopy (ARPES) to measure the temperature dependence of an electronic analogue of η/s in an optimally doped cuprate high temperature superconductor, finding it too is a nearly perfect fluid around, and above, its superconducting transition temperature Tc.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- DE-SC00112704; AC02-98CH10886; FG02-92ER440692; SC00112704
- OSTI ID:
- 1169023
- Alternate ID(s):
- OSTI ID: 1181634; OSTI ID: 1182477
- Report Number(s):
- BNL-106294-2014-JA; BNL-107241-2014-JA; R&D Project: PO016; KC0202020
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 90, Issue 13; ISSN 1098-0121
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 16 works
Citation information provided by
Web of Science
Web of Science
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