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Quantum phases of Rydberg atoms on a kagome lattice
Rhine Samajdar, Wen Wei Ho, Hannes Pichler +2
We analyze the zero-temperature phases of an array of neutral atoms on the kagome lattice, interacting via laser excitation to atomic Rydberg states. Density-matrix renormalization…
Critical behavior of an impurity at the boson superfluid-Mott insulator transition
Seth Whitsitt, Subir Sachdev
We present a universal theory for the critical behavior of an impurity at the two-dimensional superfluid-Mott insulator transition. Our analysis is motivated by a numerical study o…
Keldysh approach for non-equilibrium phase transitions in quantum optics: beyond the Dicke model in optical cavities
Emanuele G. Dalla Torre, Sebastian Diehl, Mikhail D. Lukin +2
We investigate non-equilibrium phase transitions for driven atomic ensembles, interacting with a cavity mode, coupled to a Markovian dissipative bath. In the thermodynamic limit an…