29 citations · 157 across the 15 of their papers we have counts for
15 papers
Rubidium spectroscopy at high-pressure buffer gas conditions: detailed balance in the optical interaction of an absorber coupled to a reservoir
Stavros Christopoulos, Peter Moroshkin, Lars Weller +5
Optical spectroscopy of atoms and molecules is a field where one usually operates very far from thermal equilibrium conditions. A prominent example is spectroscopy of thin vapors,…
Zero-phonon lines in the spectra of dysprosium atoms in superfluid helium
P. Moroshkin, K. Kono
We present an experimental study of a zero-phonon line (ZPL) in the absorption spectrum of Dy atoms solvated in superfluid He. The dopants reside in nanometer-sized spherical cavit…
Dynamics of fine particles due to quantized vortices on the surface of superfluid He
S. Inui, M. Tsubota, P. Moroshkin +2
Peculiar dynamics of a free surface of the superfluid 4He has been observed experimentally with a newly established technique utilizing a number of electrically charged fine metal…
Bound-bound transitions in the emission spectra of Ba--He excimer
Peter Moroshkin, Kimitoshi Kono
We present an experimental and theoretical study of the emission and absorption spectra of the Ba ions and BaHe excimer quasimolecules in the cryogenic Ba--He plasm…
Laser cooling of dense atomic gases by collisional redistribution of radiation and spectroscopy of molecular dimers in a dense buffer gas environment
Anne Saß, Ralf Forge, Stavros Christopoulos +3
We study laser cooling of atomic gases by collisional redistribution of fluorescence. In a high pressure buffer gas regime, frequent collisions perturb the energy levels of alkali…
Kennard-Stepanov relation connecting absorption and emission spectra in an atomic gas
Peter Moroshkin, Lars Weller, Anne Sass +2
The Kennard-Stepanov relation describes a thermodynamic, Boltzmann-type scaling between the absorption and emission spectral profiles of an absorber, which applies in many liquid s…