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cond-mat.other2026
Dynamic Many-Body Theory: The dynamics of atomic impurities in He
Eckhard Krotscheck
We implement manifestly microscopic many-body methods to study the dynamics of atomic impurities in a host quantum fluid, specifically He. Our investigations are motivated by e…
cond-mat.other2016★ 19 cited
Superfluid 4He dynamics beyond quasiparticle excitations
K. Beauvois, C. E. Campbell, J. Dawidowski +7
The dynamics of superfluid 4He at and above the Landau quasiparticle regime is investigated by high precision inelastic neutron scattering measurements of the dynamic structure fac…