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cond-mat.quant-gas2023
Controlled excitation of rotons in superfluid helium with an optical centrifuge
Alexander A. Milner, Valery Milner
We experimentally demonstrate a controlled transfer of angular momentum to roton pairs in superfluid helium. The control is executed with an optical centrifuge and detected with co…
quant-ph2023
Dynamics of molecular rotors in bulk superfluid helium
Alexander A. Milner, V. A. Apkarian, Valery Milner
Molecules immersed in liquid helium are excellent probes of superfluidity. Their electronic, vibrational and rotational dynamics provide valuable clues about the superfluid at the…