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Non Classical Rotational Inertia Fraction in a One Dimensional Model of Supersolid

We study the rotational inertia of a model of supersolid in the frame of the mean field Gross-Pitaevskii theory in one space dimension. We discuss the ground state of the model and the existence of a non classical inertia (NCRI) under rotation that models an annular geometry. An explicit formula for the NCRI is deduced. It depends on the density profil of the ground state, in full agreement with former theories. We compare the NCRI computed through this theory with direct numerical simulations of rotating 1D systems.

preprint2011arXivOpen access
Néstor SepulvedaChristophe JosserandSergio Rica
cond-mat.quant-gas
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Néstor SepulvedaChristophe JosserandSergio Rica

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