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Evaporative Cooling of Helium Nanodroplets with Angular Momentum Conservation
Kevin K. Lehmann, Adriaan M. Dokter
Evaporative cooling of helium nanodroplets is studied with a statistical rate model that includes, for the first time, angular momentum conservation as a constraint on the accessib…
Bias in the temperature of helium nanodroplets measured by an embedded rotor
Kevin K. Lehmann
The ro--vibrational spectra of molecules dissolved in liquid He nanodroplets display rotational structure. Where resolved, this structure has been used to determine a temperatu…
Energetics and Possible Formation and Decay Mechanisms of Vortices in Helium Nanodroplets
Kevin K. Lehmann, Roman Schmied
The energy and angular momentum of both straight and curved vortex states of a helium nanodroplet are examined as a function of droplet size. For droplets in the size range of many…
Microcanonical Thermodynamic Properties of Helium Nanodroplets
Kevin K. Lehmann
The density of states and other thermodynamic functions of helium nanodroplets are calculated for a microcanonical ensemble with both energy and total angular momentum treated as c…