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University of Birmingham > Talks@bham > Theoretical Physics Seminars > Entanglement entropy generation in isolated systems and in continually measured ones
![]() Entanglement entropy generation in isolated systems and in continually measured onesAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Mike Gunn. Isolated quantum many-body systems, if initialised in states of low entanglement, typically evolve towards states of high (volume law) entanglement. I will first give a coarse-grained description for entanglement production obtained using simple minimal models (quantum circuits made up of randomly chosen gates). This description involves a minimal ‘membrane’ in spacetime. In the second part of the talk I will discuss what happens to entanglement generation when the entangling unitary evolution is interspersed with projective measurements, which tend to disentangle degrees of freedom. I will show that there is a phase transition as a function of the rate of measurements and that this phase transition is closely related to classical percolation. This talk is part of the Theoretical Physics Seminars series. This talk is included in these lists:Note that ex-directory lists are not shown. |
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