Effect of elasticity on torsional oscillator experiments probing the possible supersolidity of helium | Zendy

Humphrey J. Maris | Zendy

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Effect of elasticity on torsional oscillator experiments probing the possible supersolidity of helium

Author(s) -

Humphrey J. Maris

Publication year - 2012

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.86.020502

Subject(s) - supersolid , elasticity (physics) , helium , physics , torsion (gastropod) , condensed matter physics , materials science , classical mechanics , quantum mechanics , thermodynamics , phase (matter) , medicine , surgery , phase diagram

We consider the effect of elasticity on torsional oscillator experiments to investigate the possible supersolidity of helium.We show that in most, and possibly all torsional oscillators there is a significant and hitherto unconsidered contribution to the torsional period from the helium elasticity. This effect needs to be carefully considered before it can be concluded that a supersolid component is indeed present.

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