Holographic Vortex Liquids and Superfluid Turbulence

被引：120
作者：
Chesler, Paul M. [1 ]
Liu, Hong [1 ]
Adams, Allan [1 ]
机构：
[1] MIT, Dept Phys, Cambridge, MA 02139 USA
来源：
SCIENCE | 2013年 / 341卷 / 6144期
关键词：
QUANTUM TURBULENCE; MUTUAL FRICTION; HEAT CURRENT; HELIUM-II; DECAY;
D O I：
10.1126/science.1233529
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Superfluid turbulence is a fascinating phenomenon for which a satisfactory theoretical framework is lacking. Holographic duality provides a systematic approach to studying such quantum turbulence by mapping the dynamics of a strongly interacting quantum liquid into the dynamics of classical gravity. We use this gravitational description to numerically construct turbulent flows in a holographic superfluid in two spatial dimensions. We find that the superfluid kinetic energy spectrum obeys the Kolmogorov -5/3 scaling law, with energy injected at long wavelengths undergoing a direct cascade to short wavelengths where dissipation by vortex annihilation and vortex drag becomes efficient. This dissipation has a simple gravitational interpretation as energy flux across a black hole event horizon.
引用
收藏
页码：368 / 372
页数：5
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