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cond-mat.quant-gas2024★ 1 cited
Quantum impurities in finite-temperature Bose gases: Detecting vortex proliferation across the BKT and BEC transitions
Paolo Comaron, Nathan Goldman, Atac Imamoglu +1
Detecting vortices in neutral superfluids represents an outstanding experimental challenge. Using stochastic classical-field methods, we theoretically show that a quantum impurity…
cond-mat.quant-gas2023★ 1 cited
Lasing, quantum geometry and coherence in non-Hermitian flat bands
Ivan Amelio, Nathan Goldman
We show that lasing in flat band lattices can be stabilized by means of the geometrical properties of the Bloch states, in settings where the single-particle dispersion is flat in…