Phys. Rev. Lett. 92, 133004 (2004) [4 pages]Nondispersing Wave Packets
See accompanying Physics Focus We have formed nondispersing wave packets from atomic Li Rydberg eigenstates by adding a small microwave field approximately resonant with the Δn=1 transition. The orbital motion of the Rydberg electron in states of 70≤n≤78 becomes phase locked to a 17.5 GHz microwave field and remains so for 900 ns, roughly 15 000 orbits of the Rydberg electron. A Floquet approach provides a reasonable quantum-mechanical description. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.133004
DOI:
10.1103/PhysRevLett.92.133004
PACS:
32.80.Qk, 32.80.Rm, 42.50.Ct
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