Divergence of entanglement entropy in quantum systems: Zero-modes
SM Chandran, S Shankaranarayanan - Physical Review D, 2019 - APS
To this day, von Neumann definition of entropy remains the most popular measure of
quantum entanglement. Much of the literature on entanglement entropy, particularly in the
context of field theory, has focused on isolating the UV divergences. Zero-mode divergences
of the entanglement entropy are less studied in this context, and apart from being easier to
isolate, they offer an interesting insight into the physics of the system. To gain a better
understanding of the system in this limit, we develop the free particle approximation of …
quantum entanglement. Much of the literature on entanglement entropy, particularly in the
context of field theory, has focused on isolating the UV divergences. Zero-mode divergences
of the entanglement entropy are less studied in this context, and apart from being easier to
isolate, they offer an interesting insight into the physics of the system. To gain a better
understanding of the system in this limit, we develop the free particle approximation of …
Divergence of entanglement entropy in quantum systems: Zero-modes
S Mahesh Chandran, S Shankaranarayanan - arXiv e-prints, 2018 - ui.adsabs.harvard.edu
To this day, von Neumann definition of entropy remains the most popular measure of
quantum entanglement. Much of the literature on entanglement entropy, particularly in the
context of field theory, has focused on isolating the UV divergences. Zero-mode divergences
of the entanglement entropy are less studied in this context, and apart from being easier to
isolate, they offer an interesting insight into the physics of the system. To gain a better
understanding of the system in this limit, we develop the free particle approximation of …
quantum entanglement. Much of the literature on entanglement entropy, particularly in the
context of field theory, has focused on isolating the UV divergences. Zero-mode divergences
of the entanglement entropy are less studied in this context, and apart from being easier to
isolate, they offer an interesting insight into the physics of the system. To gain a better
understanding of the system in this limit, we develop the free particle approximation of …
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