Journal
PHYSICAL REVIEW LETTERS
Volume 99, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.99.035301
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Funding
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [844115] Funding Source: National Science Foundation
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On the basis of first-principles Monte Carlo simulations we find that the screw dislocation along the hexagonal axis of an hcp (4)He crystal features a superfluid (at T -> 0) core. This is the first example of a regular quasi-one-dimensional supersolid-the phase featuring both translational and superfluid orders, and one of the cleanest cases of a Luttinger-liquid system. In contrast, the same type of screw dislocation in solid H(2) is insulating.
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