J. R. Solana
Abstract
It is shown that the instability of the roton mode in He II versus pressure and temperature can be explained consistently if the hybridization of a single roton with a bound roton pair is taken into account.
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It is shown that the instability of the roton mode in He II versus pressure and temperature can be explained consistently if the hybridization of a single roton with a bound roton pair is taken into account.
Key concepts: Roton, Superfluid helium-4, Instability, Helium-4, Physics, Condensed matter physics, Superfluidity, Helium