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cond-mat.quant-gas2026
Effective theory of surface oscillations in self-bound superfluid droplets
Jun Mitsuhashi, Keisuke Fujii, Masaru Hongo
We investigate the low-energy dynamics of small-amplitude surface oscillations of spherical superfluid droplets in vacuum. Starting from the effective field theory of superfluid ph…
cond-mat.quant-gas2022★ 23 cited
Universal van der Waals Force Between Heavy Polarons in Superfluids
Keisuke Fujii, Masaru Hongo, Tilman Enss
We investigate the long-range behavior of the induced Casimir interaction between two spinless heavy impurities, or polarons, in superfluid cold atomic gases. With the help of effe…