Fast Scramblers and Non-commutative Gauge Theories

Details Fast Scramblers and Non-commutative Gauge Theories Fast Scramblers and Non-commutative Gauge Theories

2012-04-25

arxiv.org/abs/1204.5748v1

Physics

High Energy Physics

High Energy Physics - Theory

10 pages

Scientific paper

Fast scramblers are quantum systems which thermalize in a time scale logarithmic in the number of degrees of freedom of the system. Non-locality has been argued to be an essential feature of fast scramblers. We provide evidence in support of the crucial role of non-locality in such systems by considering the approach to thermalization in a (strongly-coupled) high temperature non-commutative gauge theory. We show that non-locality inherent to non-commutative gauge theories does indeed accelerate the rate of dissipation in the heat bath in stark contrast to the slow random walk diffusive behavior prevalent in local field theories.

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