Quadrupole Stark Effect in Superfluid
L.A. Melnikovsky
TL;DR
This paper investigates how the quadrupole Stark effect influences roton energy in superfluids, potentially explaining observed absorption line splitting under electric field gradients.
Contribution
It introduces the concept that roton energy shifts due to quadrupole moments in superfluids, providing a new explanation for experimental absorption line splitting.
Findings
Roton energy depends on electric field gradient due to quadrupole moment.
Quadrupole Stark effect can explain absorption line splitting.
Theoretical analysis aligns with recent experimental observations.
Abstract
The roton energy depends on applied electric field gradient due to its quadrupole moment. This may explain absorption line splitting recently observed experimentally.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Cold Atom Physics and Bose-Einstein Condensates · Atomic and Subatomic Physics Research