Water vapor at a translational temperature of 1K
Abstract
We report the creation of a confined slow beam of heavy-water (D2O) molecules with a translational temperature around 1K . This is achieved by filtering slow D2O from a thermal ensemble with inhomogeneous static electric fields exploiting the quadratic Stark shift of D2O . All previous demonstrations of electric-field manipulation of cold dipolar molecules rely on a predominantly linear Stark shift. Further, on the basis of elementary molecular properties and our filtering technique we argue that our D2O beam contains molecules in only a few rovibrational states.
- Publication:
-
Physical Review A
- Pub Date:
- June 2006
- DOI:
- 10.1103/PhysRevA.73.061402
- arXiv:
- arXiv:physics/0512119
- Bibcode:
- 2006PhRvA..73f1402R
- Keywords:
-
- 33.80.Ps;
- 33.55.Be;
- 39.10.+j;
- Optical cooling of molecules;
- trapping;
- Zeeman and Stark effects;
- Atomic and molecular beam sources and techniques;
- Physics - Chemical Physics
- E-Print:
- 4 pages, 4 figures, 1 table