Shannon Whitlock's Journal Club:
Rydberg molecules

Paper 1. Bendkowsky et al, "Observation of ultralong-range Rydberg molecules", Nature, 458, 1005 (2009). See also the News and Views article by C. H. Greene "The little molecule that could", ibid. and S. D. Hogan and F. Merkt, "A New Perspective on the Binding Power of an Electron", Chem. Phys. Chem., 10, 2931, (2009)

Paper 2. W. Li et al, "A homonuclear molecule with a permanent electric dipole moment", Science, 334, 1110 (2011). See also the interview in the Royal Society of Chemistry magazine 'Chemistry World' http://www.rsc.org/chemistryworld/News/2011/November/24111103.asp

Additional information:

C. H. Greene, A. S. Dickinson and H. R. Sadeghpour, "Creation of polar and nonpolar ultra-long-range Rydberg molecules", Phys. Rev. Lett., 85, 2458 (2000)

V. Bendkowsky et al, "Rydberg trimers and excited dimers bound by internal quantum reflection", Phys. Rev. Lett., 105, 163201 (2010)

J. Tallant et al, "Observation of blueshifted ultralong-range Cs₂ Rydberg molecules", Phys. Rev. Lett., 109, 173202 (2012)