Numerical simulations of merging dipolar supersolid fragments show damped crystal oscillations reflecting superfluid connectivity and out-of-phase drifts indicating second sound excitation via phase-imprinted dark solitons.
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Numerical characterization shows dissipation in atomic Josephson junctions depends on initial chemical potential difference and thermal energy versus barrier height, with distinct regimes and a reversal of condensate-thermal cloud roles at high thermal energies.
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Signatures of rigidity and second sound in dipolar supersolids
Numerical simulations of merging dipolar supersolid fragments show damped crystal oscillations reflecting superfluid connectivity and out-of-phase drifts indicating second sound excitation via phase-imprinted dark solitons.
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Dissipation in a Finite Temperature Atomic Josephson Junction
Numerical characterization shows dissipation in atomic Josephson junctions depends on initial chemical potential difference and thermal energy versus barrier height, with distinct regimes and a reversal of condensate-thermal cloud roles at high thermal energies.