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Spin rotons and supersolids in binary antidipolar condensates

Wyatt Kirkby, Thomas Bland, Francesca Ferlaino, Russell N. Bisset

SciPost Phys. Core 6, 084 (2023) · published 4 December 2023


We present a theoretical study of a mixture of antidipolar and nondipolar Bose-Einstein condensates confined to an infinite tube. We predict the presence of a spin roton and its associated instability, which triggers a continuous unmodulated-to-supersolid phase transition. We characterize the phase diagram of the binary system, ranging from the quasi-1D to the radial Thomas-Fermi (elongated 3D) regimes. We also present the dynamic formation of supersolids following a quench from the uniform miscible phase, which maintains phase coherence across the system.

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