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Superfluid swimmers
Published 2021-02-01“…The self-locomotion in superfluids such as ^{4}He is deemed impossible due to the apparent lack of viscous resistance. …”
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Fractonic superfluids
Published 2020-06-01“…We propose a superfluid phase of “many-fracton system” in which charge and total dipole moments are conserved quantities. …”
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Symmetric superfluids
Published 2019-06-01“…Abstract We present a complete classification of symmetric superfluids, namely shift-symmetric and Poincaré invariant scalar field theories that have an enlarged set of classically conserved currents at leading order in derivatives. …”
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Superfluid optomechanics: coupling of a superfluid to a superconducting condensate
Published 2014-01-01Subjects: “…superfluid…”
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Ideal fracton superfluids
Published 2024-01-01“…The latter phase is an Aristotelian superfluid at ideal order but with a velocity constraint and can be split into two separate regimes: The U(1) fracton superfluid and the pinned $s$-wave superfluid regimes. …”
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Dipole superfluid hydrodynamics
Published 2023-09-01“…These models have been considered in the context of fractons, since their elementary and isolated charges are immobile by symmetry, and have two known translation-invariant gapless phases: a “p-wave dipole superfluid” phase where the dipole symmetry is spontaneously broken and a “s-wave dipole superfluid” phase where both the U(1) and dipole symmetries are spontaneously broken. …”
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Superfluid spin transistor
Published 2022-06-01“…Our numerical results relying on a combination of Monte Carlo and spin dynamics simulations show transition from spin superfluidity to conventional spin transport, accompanied by the universal jump of the spin stiffness and exponential growth of the transverse vorticity current. …”
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Superfluidity in the stochastic limit
Published 2004-01-01“…We discuss the stochastic limit approach to superfluidity. Starting from the usual Hamiltonian describing the interaction between the Bose condensate and the normal phase, we prove the existence of superfluidity in the stochastic limit and deduce a nonlinear (quadratic) kinetic equation describing the evolution of the density of superfluid liquid.…”
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Dissipative fracton superfluids
Published 2024-07-01“…Abstract We present a comprehensive study of hydrodynamic theories for superfluids with dipole symmetry. Taking diffusion as an example, we systematically construct a hydrodynamic framework that incorporates an intrinsic dipole degree of freedom in analogy to spin density in micropolar (spinful) fluids. …”
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Apparently superluminal superfluids
Published 2024-01-01“…Abstract We consider the superfluid phase of a specific renormalizable relativistic quantum field theory. …”
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