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Rabi Oscillations between Ground and Rydberg States with Dipole-Dipole Atomic Interactions

2008; American Physical Society; Volume: 100; Issue: 11 Linguagem: Inglês

10.1103/physrevlett.100.113003

1092-0145

T. A. Johnson, Erik Urban, Thomas Henage, L. Isenhower, D. D. Yavuz, Thad Walker, M. Saffman,

Quantum optics and atomic interactions

We demonstrate Rabi oscillations of small numbers of $^{87}\mathrm{Rb}$ atoms between ground and Rydberg states with $n\ensuremath{\le}43$. Coherent population oscillations are observed for single atoms, while the presence of two or more atoms decoheres the oscillations. We show that these observations are consistent with van der Waals interactions of Rydberg atoms.