Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-05-21
Phys.Rev.Lett. 99, 035301 (2007)
Physics
Condensed Matter
Other Condensed Matter
replaced with revised version
Scientific paper
10.1103/PhysRevLett.99.035301
On the basis of first-principle Monte Carlo simulations we find that the screw dislocation along the hexagonal axis of an hcp He4 crystal features a superfluid core. This is the first example of a regular quasi-one-dimensional supersolid, and one of the cleanest cases of a regular Luttinger-liquid system. In contrast, the same type of screw dislocation in solid Hydrogen is insulating.
Boninsegni Massimo
Kuklov A. B.
Pollet Lode
Prokof'ev Nikolai V.
Svistunov Boris V.
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