PreprintarXiv licencearXiv
Unified hydrodynamics for density and spin supersolids
Abstract
Two-component supersolids can exhibit in-phase or out-of-phase component density modulations, corresponding to density and spin supersolids, respectively. We formulate a general hydrodynamic theory for the collective dynamics of multicomponent supersolids, guided by their broken symmetries and conservation laws. We benchmark it against microscopic calculations for a binary dipolar condensate confined to an infinite tube, finding quantitative agreement for the sound speeds of all three Goldstone branches throughout the density- and spin-supersolid regions. The resulting relations link collective-mode measurements to elastic coefficients and superfluid fractions.
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BibTeX
@misc{madhusudan2026unified,
title = {{Unified hydrodynamics for density and spin supersolids}},
author = {Ashwath N. Madhusudan and Au-Chen Lee and P. B. Blakie and R. N. Bisset},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.20487},
eprint = {2609.20487},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.20487},
}
RIS
TY - UNPB
TI - Unified hydrodynamics for density and spin supersolids
AU - Ashwath N. Madhusudan
AU - Au-Chen Lee
AU - P. B. Blakie
AU - R. N. Bisset
PY - 2026
DA - 2026/09/17
PB - arXiv
DO - 10.48550/arxiv.2609.20487
UR - https://arxiv.org/abs/2609.20487
AB - Two-component supersolids can exhibit in-phase or out-of-phase component density modulations, corresponding to density and spin supersolids, respectively. We formulate a general hydrodynamic theory for the collective dynamics of multicomponent supersolids, guided by their broken symmetries and conservation laws. We benchmark it against microscopic calculations for a binary dipolar condensate confined to an infinite tube, finding quantitative agreement for the sound speeds of all three Goldstone branches throughout the density- and spin-supersolid regions. The resulting relations link collective-mode measurements to elastic coefficients and superfluid fractions.
ER -