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71 papers · 1 filter
Light cone dynamics and reverse Kibble-Zurek mechanism in two-dimensional superfluids following a quantum quench
L. Mathey, A. Polkovnikov
We study the dynamics of the relative phase of a bilayer of two-dimensional superfluids after the two superfluids have been decoupled. We find that on short time scales the relativ…
Quantum-State Controlled Chemical Reactions of Ultracold KRb Molecules
S. Ospelkaus, K. -K. Ni, D. Wang +7
How does a chemical reaction proceed at ultralow temperatures? Can simple quantum mechanical rules such as quantum statistics, single scattering partial waves, and quantum threshol…
Topological Kondo Insulators
Maxim Dzero, Kai Sun, Victor Galitski +1
Kondo insulators are particularly simple type of heavy electron material, where a filled band of heavy quasiparticles gives rise to a narrow band insulator. Starting with the Ander…
Phase preserving amplification near the quantum limit with a Josephson Ring Modulator
N. Bergeal, F. Schackert, M. Metcalfe +7
Recent progress in solid state quantum information processing has stimulated the search for ultra-low-noise amplifiers and frequency converters in the microwave frequency range, wh…
Robustness of Majorana fermions in 2D topological superconductors
Jay D. Sau, Roman M. Lutchyn, Sumanta Tewari +1
In 2D chiral p-wave superconductors, the zero-energy Majorana fermion excitations trapped at vortex cores follow non-Abelian statistics which can be potentially exploited to build…
Topological states in two-dimensional optical lattices
Tudor D. Stanescu, Victor Galitski, S. Das Sarma
We present a general analysis of two-dimensional optical lattice models that give rise to topologically non-trivial insulating states. We identify the main ingredients of the latti…