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Excited electron-bubble states in superfluid helium-4: a time-dependent density functional approach
Excited electron-bubble states time-dependent density functional approach
2010/11/19
We present a systematic study on the excited electron-bubble states in super uid 4He using a
time-dependent density functional approach. For the evolution of the 1P bubble state, two di erent functio...
Investigating metastable hcp solid helium below its melting pressure
quantum solids hcp solid helium metastability vacancy
2010/11/19
We report a first attempt to produce metastable hcp solid helium below its melting pressure. A focused sound pulse is emitted along the c-axis of a monodomain hcp helium-4 crystal starting from a stat...