Entanglement temperature for black branes with hyperscaling violation
Xiao-Bao Xu, Gu-Qiang Li, Jie-Xiong Mo
Abstract
Open-access reader
Xiao-Bao Xu, Gu-Qiang Li, Jie-Xiong Mo
Abstract
Open-access reader
Entanglement temperature is an interesting quantity which relates the increased amount of entanglement entropy to that of energy for a weakly excited state in the first-law of entanglement entropy, it is proportional to the inverse of the size of entanglement subsystem and only depends on the shape of the entanglement region. We find the explicit formula of entanglement temperature for the general hyperscaling violation backgrounds with a strip-subsystem. We then investigate the entanglement temperature for a round ball-subsystem, we check that the entanglement temperature has a universal form when the hyperscaling violation exponent is near zero.
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Entanglement temperature is an interesting quantity which relates the increased amount of entanglement entropy to that of energy for a weakly excited state in the first-law of entanglement entropy, it is proportional to the inverse of the size of entanglement subsystem and only depends on the shape of the entanglement region. We find the explicit formula of entanglement temperature for the general hyperscaling violation backgrounds with a strip-subsystem. We then investigate the entanglement temperature for a round ball-subsystem, we check that the entanglement temperature has a universal form when the hyperscaling violation exponent is near zero.
Key concepts: Quantum entanglement, Zero temperature, Physics, Entropy (arrow of time), Exponent, Quantum mechanics, Squashed entanglement, Quantum