NDLI: Ultra-long range, ultracold polar and non-polar Rydberg molecules

Content Provider	IEEE Xplore Digital Library
Author	Greene, C.H. Dickinson, A. Sadeghpour, H.R.
Copyright Year	2001
Description	Author affiliation: Joint Inst. for Lab. Astrophys., Colorado Univ., Boulder, CO, USA (Greene, C.H.; Dickinson, A.; Sadeghpour, H.R.)
Abstract	Summary form only given. The discovery of ultracold and dilute ensembles of atoms and molecules in magneto-optical traps (MOT) and in atomic Bose-Einstein condensates (BECs) has ushered in a new era of precision atomic and molecular spectroscopy. Since the atoms in such cold environments predominantly interact via long-range forces, the creation of BECs and dilute atomic samples has made the study of very long-range molecular states possible. In this work (Greene et al, Phys. Rev. Lett. vol. 85, p. 2458, 2000), we discuss a particular interatomic arrangement that should be favored in modern-day MOT and BEC setups and should result in the production of molecular Rydberg states whose vibrational wave functions are localized at internuclear distances of order n/sup 2/ Bohr radii, where n is the principal quantum number. The vibrational binding energies of these molecules for n=20-50 fall in the MHz and GHz range, for molecules excited from /sup 87/Rb ultracold atomic gas. We predict two distinct classes of molecular Rydberg states. The nonpolar class of Rydberg molecules form from the interaction between a Rb(nl/sub j/) Rydberg atom with low orbital angular momentum l/sub j//spl les/2 and a distant Rb ground state atom. Rydberg molecules of the second class form from the interaction between an excited Rb atom in high (l/sub j/>2) orbital angular momentum states with a ground state Rb atom.
Sponsorship	APS/Div. Laser Sci.
Starting Page	220
Ending Page	221
File Size	325263
Page Count	2
File Format	PDF
ISBN	155752663X
DOI	10.1109/QELS.2001.962111
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Optical Soc. Of America
Subject Keyword	Atomic measurements Atom optics Atomic beams Production Charge carrier processes Linear particle accelerator Optical pumping Ion accelerators Isotopes Physics
Content Type	Text
Resource Type	Article

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