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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 1, Iss. 7 — Sep. 29, 1997
  • pp: 203–209

Destruction of quantum coherence and stochastic ionization of Rydberg electrons by fluctuating laser fields

G. Alber and B. Eggers  »View Author Affiliations


Optics Express, Vol. 1, Issue 7, pp. 203-209 (1997)
http://dx.doi.org/10.1364/OE.1.000203


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Abstract

It is shown that diffusion and stochastic ionization of an optically excited Rydberg electron are generic long time phenomena which are consequences of the destruction of quantum coherence by laser fluctuations. Quantitatively these novel fluctuation-induced phenomena are characterized by non-exponential time evolutions whose power law dependences can be determined analytically. It is demonstrated that the competition between stochastic ionization and autoionization may lead to interesting new effects.

© Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.4180) Atomic and molecular physics : Multiphoton processes
(020.5780) Atomic and molecular physics : Rydberg states

ToC Category:
Focus Issue: Rydberg wave packets

History
Original Manuscript: September 2, 1997
Published: September 29, 1997

Citation
Gernot Alber and B. Eggers, "Destruction of quantum coherence and stochastic ionization of Rydberg electrons by fluctuating laser fields," Opt. Express 1, 203-209 (1997)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-1-7-203


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References

  1. G. Alber and P. Zoller, "Laser excitation of electronic wave packets in Rydberg atoms", Phys. Rep. 199, 231 (1991) [CrossRef]
  2. P. Zoller, "AC-Stark splitting in double optical resonance and resonance fluorescence by non-monochromatic chaotic fields", Phys. Rev. A 20, 1019 (1979) [CrossRef]
  3. S.N. Dixit, P. Zoller, and P. Lambropoulos, "Non-Lorentzian laser line shapes and the reversed peak asymmetry in double optical resonance", Phys. Rev. A 21, 1289 (1980) [CrossRef]
  4. R. Walser, H. Ritsch, P. Zoller, and J. Cooper, "Laser-noise-induced population fluctuations in two-level systems: Complex and real Gaussian driving fields", Phys. Rev. A 45, 468 (1992) [CrossRef] [PubMed]
  5. A. Giusti-Suzor and P. Zoller, "Rydberg electrons in laser fields: A finite-range-interaction problem", Phys. Rev. A 36, 5178 (1987) [CrossRef] [PubMed]
  6. M.J. Seaton, "Quantum defect theory", Rep. Prog. Phys. 46, 167 (1983) [CrossRef]
  7. U. Fano and A.R.P. Rau, Atomic Collision and Spectra (Academic, New York, 1986)
  8. R. Blumel, R. Graham, L. Sirko, U. Smilansky, H. Walter, and K. Yamada, "Microwave excitation of Rydberg atoms in the presence of noise", Phys. Rev. Lett. 62, 341 (1989) [CrossRef] [PubMed]
  9. J. G. Leopold and D. Richards, "Microwave ionization by electric fields with random phase noise", J. Phys. B. 24, L243 (1991) [CrossRef]
  10. H. Haken, in Handbuch der Physik edited by S.Flugge (Springer, New York, 1970), Vol. XXV/2c
  11. G. Alber and B. Eggers, "Rydberg electrons in intense fluctuating laser fields", Phys. Rev. A 56, 820 (1997) [CrossRef]
  12. G.S. Agarwal, "Quantum statistical theory of optical-resonance phenomena in fluctuating laser fields", Phys. Rev. A. 18, 1490 (1978) [CrossRef]
  13. B. Eggers and G. Alber (in preparation)

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