期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP10(2016)143
关键词
Gauge-gravity correspondence; Holography and condensed matter physics (AdS/CMT)
资金
- NSF [DMR-1360789]
- MURI from ARO [W911NF-14-1-0003]
- National Science Foundation Graduate Research Fellowship [DGE1144152]
Recently, it has been proposed that the butterfly velocity - a speed at which quantum information propagates - may provide a fundamental bound on diffusion constants in dirty incoherent metals. We analytically compute the charge diffusion constant and the butterfly velocity in charge-neutral holographic matter with long wavelength hydrodynamic disorder in a single spatial direction. In this limit, we find that the butterfly velocity does not set a sharp lower bound for the charge diffusion constant.
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