Condensed Matter Seminar "Information propagation and entanglement generation with long-range interactions"

Thursday, August 22, 2019 - 11:30am

Alexey Gorshkov (University of Maryland)

Atomic, molecular, and optical systems often exhibit long-range interactions, which decay with distance r as a power law 1/r^alpha. In this talk, we will derive bounds on how quickly information can propagate and entanglement can be generated in such quantum systems. We will also present protocols that attempt to saturate these bounds. Finally, we will discuss numerous applications of these bounds and protocols, ranging from bounding and enhancing the speed of quantum computers to illuminating the properties of quantum phases and phase transitions in and out of equilibrium.

Physics 298

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