Finite electron crystallites in strong magnetic fields: Precursors of a supersolid?

Details Finite electron crystallites in strong magnetic fields: Precursors of a supersolid? Finite electron crystallites in strong magnetic fields: Precursors of a supersolid?

2005-02-28

arxiv.org/abs/cond-mat/0502648v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Corrected typos in Table I. Revtex4. 5 pages with 3 postscript figures and one table. For related papers, see http://www.pri

Scientific paper

We show that a supersolid phase, exhibiting simultaneously solid and superfluid behavior, properly describes the finite electron crystallites that form in two-dimensional quantum dots under high magnetic fields. These crystallites rotate already in their ground state and exhibit a nonclassical rotational inertia. They are precursors to a supersolid crystal in the lowest Landau level. We use exact numerical diagonalization, calculations employing analytic many-body wave functions, and a newly derived analytic expression for the total energies that permits calculations for arbitrary number of electrons.

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