371 citations
2 papers
cond-mat.other2008★ 55 cited
Probing the Upper Limit of Nonclassical Rotational Inertia
Ann Sophie C. Rittner, John D. Reppy
We study the effect of confinement on solid 4-He's nonclassical rotational inertia (NCRI) in a torsional oscillator by constraining it to narrow annular cells of various widths. Th…
cond-mat.supr-con2004★ 371 cited
A superconductor to superfluid phase transition in liquid metallic hydrogen
Egor Babaev, Asle Sudbo, N. W. Ashcroft
Although hydrogen is the simplest of atoms, it does not form the simplest of solids or liquids. Quantum effects in these phases are considerable (a consequence of the light proton…