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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Humphrey J. Maris (2012) studied this question.
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