TL;DR
This paper explores why helium's supersolid fraction is low, suggests neon in helium could have higher fractions, and proposes bosonic ions in traps as a potential near-unity supersolid system.
Contribution
It offers an explanation for low helium supersolid fractions and proposes new systems with potentially higher supersolid fractions, such as neon in helium and bosonic ions in traps.
Findings
Helium's supersolid fraction is significantly below one.
Neon immersed in liquid helium could exhibit larger supersolid fractions.
Bosonic ions in a ring trap might achieve near-unity supersolid fractions.
Abstract
We present an explanation of why the observed supersolid fractions of helium solids are rather far below unity. One might observe large supersolid fraction of neon systems immersing in liquid He. A system of bosonic ions in a ring trap could display a supersolid fraction close to unity.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Cold Atom Physics and Bose-Einstein Condensates