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TT: Tiefe Temperaturen
TT 22: Symposium Quantum Fluids
TT 22.5: Fachvortrag
Tuesday, March 28, 2006, 17:15–17:45, HSZ 304
Molecular Spectroscopy in Helium Droplets at Low Temperatures — •Alkwin Slenczka — Institute for Physical and Theoretical Chemistry, Uni Regensburg, 93040 Regensburg, Germany
About a decade ago helium droplets created in a cold supersonic expansion have been established as a new matrix for molecular spectroscopy. The new expermental technique unifies advantages of matrix isolation and supersonic jet experiments. The unique advantage of 4He droplets is the superfluid phase. It explains the very gentle nature of this host system which becomes apparent in rotationally fully resolved molecular spectra. We will review experimental observations revealing physical details of helium droplets and of the solvation of molecules in helium droplets which were obtained in high resolution spectra of molecules in helium droplets.