Abstract

Spontaneous decay of excited cold atoms into cavity can drastically affect their translational dynamics, namely, atomic reflection, transmission or localization in the cavity.

© 1997 Optical Society of America

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References

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  1. Y. Japha and G. Kurizki, “Spontaneous emission from tunneling two-level atoms,” Phys. Rev. Lett. 77, 2909 (1996)
    [Crossref] [PubMed]
  2. D. Sokolovski and J. N. L. Connor, “Quantum interference and determination of the traversal time,” Phys. Rev. A 47, 4677 (1993) note the connection between traversal-time measurement in tunneling and path information.
    [Crossref] [PubMed]
  3. T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
    [Crossref] [PubMed]
  4. A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
    [Crossref] [PubMed]
  5. C. Cohen-Tannoudji et. al., Atom-Field Interactions (Wiley, New-York,1992);
  6. G. S. Agarwal, Quantum Statistical Theories of Spontaneous Emission (Springer, Berlin, 1974).
  7. D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
    [Crossref] [PubMed]
  8. R. P. Feynman and A. R. Hibbs, Quantum Mechanics and Path Integrals, (McGraw-Hill, New-York, 1965).
  9. Y. Japha, V. M. Akulin, and G. Kurizki, “Localized decoherence of two-level wavepackets: Atomic binding and skin effects,” Phys. Rev. Lett. (submitted)
  10. B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
    [Crossref]
  11. M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
    [Crossref] [PubMed]
  12. Excited state and total amplitude of ground state http://www.weizmann.ac.il/ cfyoni/movie.mpg
  13. Ground state entangled with resonant emission http://www.weizmann.ac.il/ cfyoni/movie1.mpg
  14. Ground state entangled with positive detuning http://www.weizmann.ac.il/ cfyoni/movie2.mpg
  15. Ground state entangled with negative detuning http://www.weizmann.ac.il/ cfyoni/movie3.mpg
  16. Ground state entangled with forbidden emission http://www.weizmann.ac.il/ cfyoni/movie4.mpg

1996 (2)

Y. Japha and G. Kurizki, “Spontaneous emission from tunneling two-level atoms,” Phys. Rev. Lett. 77, 2909 (1996)
[Crossref] [PubMed]

M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
[Crossref] [PubMed]

1994 (1)

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

1993 (1)

D. Sokolovski and J. N. L. Connor, “Quantum interference and determination of the traversal time,” Phys. Rev. A 47, 4677 (1993) note the connection between traversal-time measurement in tunneling and path information.
[Crossref] [PubMed]

1991 (1)

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

1990 (1)

A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
[Crossref] [PubMed]

1987 (1)

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

1965 (1)

R. P. Feynman and A. R. Hibbs, Quantum Mechanics and Path Integrals, (McGraw-Hill, New-York, 1965).

Agarwal, G. S.

G. S. Agarwal, Quantum Statistical Theories of Spontaneous Emission (Springer, Berlin, 1974).

Aharonov, Y.

A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
[Crossref] [PubMed]

Akulin, V. M.

Y. Japha, V. M. Akulin, and G. Kurizki, “Localized decoherence of two-level wavepackets: Atomic binding and skin effects,” Phys. Rev. Lett. (submitted)

Barut, A. O.

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

Childs, J. J.

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

Cohen-Tannoudji, C.

C. Cohen-Tannoudji et. al., Atom-Field Interactions (Wiley, New-York,1992);

Connor, J. N. L.

D. Sokolovski and J. N. L. Connor, “Quantum interference and determination of the traversal time,” Phys. Rev. A 47, 4677 (1993) note the connection between traversal-time measurement in tunneling and path information.
[Crossref] [PubMed]

Ekstrom, C. R.

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

Englert, B. G.

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

Feld, M. S.

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

Feynman, R. P.

R. P. Feynman and A. R. Hibbs, Quantum Mechanics and Path Integrals, (McGraw-Hill, New-York, 1965).

Heinzen, D. J.

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

Hibbs, A. R.

R. P. Feynman and A. R. Hibbs, Quantum Mechanics and Path Integrals, (McGraw-Hill, New-York, 1965).

Imry, Y.

A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
[Crossref] [PubMed]

Japha, Y.

Y. Japha and G. Kurizki, “Spontaneous emission from tunneling two-level atoms,” Phys. Rev. Lett. 77, 2909 (1996)
[Crossref] [PubMed]

Y. Japha, V. M. Akulin, and G. Kurizki, “Localized decoherence of two-level wavepackets: Atomic binding and skin effects,” Phys. Rev. Lett. (submitted)

Kurizki, G.

Y. Japha and G. Kurizki, “Spontaneous emission from tunneling two-level atoms,” Phys. Rev. Lett. 77, 2909 (1996)
[Crossref] [PubMed]

Y. Japha, V. M. Akulin, and G. Kurizki, “Localized decoherence of two-level wavepackets: Atomic binding and skin effects,” Phys. Rev. Lett. (submitted)

Kurtsiefer, Ch.

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

Meyer, G.M.

M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
[Crossref] [PubMed]

Mlynek, J.

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

Pfau, T.

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

Schwinger, J.

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

Scully, M. O.

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

Scully, M.O.

M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
[Crossref] [PubMed]

Sokolovski, D.

D. Sokolovski and J. N. L. Connor, “Quantum interference and determination of the traversal time,” Phys. Rev. A 47, 4677 (1993) note the connection between traversal-time measurement in tunneling and path information.
[Crossref] [PubMed]

Spälter, S.

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

Stern, A.

A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
[Crossref] [PubMed]

Thomas, J. E.

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

Walther, H.

M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
[Crossref] [PubMed]

Europhys. Lett. (1)

B. G. Englert, J. Schwinger, A. O. Barut, and M. O. Scully, “Reflecting slow atoms from a micromaser field,” Europhys. Lett. 14, 25 (1991)
[Crossref]

Phys. Rev. A (2)

D. Sokolovski and J. N. L. Connor, “Quantum interference and determination of the traversal time,” Phys. Rev. A 47, 4677 (1993) note the connection between traversal-time measurement in tunneling and path information.
[Crossref] [PubMed]

A. Stern, Y. Aharonov, and Y. Imry, “Phase uncertainty and loss of interference: a general picture,” Phys. Rev. A 41, 3436 (1990).
[Crossref] [PubMed]

Phys. Rev. Lett. (4)

T. Pfau, S. Spälter, Ch. Kurtsiefer, C. R. Ekstrom, and J. Mlynek, “Loss of spatial coherence by a single spontaneous emission,” Phys. Rev. Lett. 73, 1223 (1994)
[Crossref] [PubMed]

M.O. Scully, G.M. Meyer, and H. Walther, “Induced emission due to the quantized motion of ultracold atoms passing through a micromaser cavity,” Phys. Rev. Lett. 76, 4144 (1996)
[Crossref] [PubMed]

D. J. Heinzen, J. J. Childs, J. E. Thomas, and M. S. Feld, “Enhanced and inhibited visible spontaneous emission by atoms in a confocal resonator,” Phys. Rev. Lett. 58, 1320 (1987)
[Crossref] [PubMed]

Y. Japha and G. Kurizki, “Spontaneous emission from tunneling two-level atoms,” Phys. Rev. Lett. 77, 2909 (1996)
[Crossref] [PubMed]

Other (9)

R. P. Feynman and A. R. Hibbs, Quantum Mechanics and Path Integrals, (McGraw-Hill, New-York, 1965).

Y. Japha, V. M. Akulin, and G. Kurizki, “Localized decoherence of two-level wavepackets: Atomic binding and skin effects,” Phys. Rev. Lett. (submitted)

Excited state and total amplitude of ground state http://www.weizmann.ac.il/ cfyoni/movie.mpg

Ground state entangled with resonant emission http://www.weizmann.ac.il/ cfyoni/movie1.mpg

Ground state entangled with positive detuning http://www.weizmann.ac.il/ cfyoni/movie2.mpg

Ground state entangled with negative detuning http://www.weizmann.ac.il/ cfyoni/movie3.mpg

Ground state entangled with forbidden emission http://www.weizmann.ac.il/ cfyoni/movie4.mpg

C. Cohen-Tannoudji et. al., Atom-Field Interactions (Wiley, New-York,1992);

G. S. Agarwal, Quantum Statistical Theories of Spontaneous Emission (Springer, Berlin, 1974).

Supplementary Material (5)

» Media 1: MOV (79 KB)     
» Media 2: MOV (49 KB)     
» Media 3: MOV (56 KB)     
» Media 4: MOV (69 KB)     
» Media 5: MOV (51 KB)     

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Figures (2)

Figure 1:
Figure 1:

(a) The energy spectrum of transmitted ground state atoms: Solid curve - transmission probability Pω [Eq. (3)] (in units of ħ/V) for Ek /V = 0.8, L = 2.5λ DB (Ek /V = 1), γ = 0.05V/ħ, ωeg = 100V/ħ as a function of kinetic energy following emission. Dashed curve - spontaneous lineshape. Inset: Idem, on a small scale. Dotted curve - cavity lineshape. (b) Schematic description of the experiment

Figure 2:
Figure 2:

Numerical simulation of an initially excited atomic wavepacket approaching a sharp interface between a region of enhanced spontaneous emission and free space, showing excited-state reflection (orange) and different ground-state components: (a) Total ground-state envelope (b) Δq = 0 (no change of kinetic energy) (c) Δq > 0 (slowing down) (d) Δq < 0 (acceleration) (e) the incident and reflected wavepackets at the moment of incidence on the interface and a bound component observable by “forbidden” (near-field) photon detection. [Media 1] [Media 2] [Media 3] [Media 4] [Media 5]

Equations (11)

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P e tr = σ E k V i ħ Γ 2
σ ( E k , V ) = [ cos pL i k 2 + p 2 2 kp sin pL ] 1 ,
P g tr = 0 E k P ω ,
P ω = F ( ω ) 1 ħ Δ E k σ ω E k V 2
E k V ħη < E k < ħ ω eg , γ η .
σ ω E k V σ ( E k ħ Δ , V ) σ ( E k , V Γ )
P g tr ~ V E k + ħ ω eg dE γ [ ( E E k ) ħ ] γ V E k
P tot tr = P g tr + P e tr 0 0 ' e γ τ τ ' σ ̂ * τ V σ ̂ ( τ ' , V )
ψ ( r , t ) = ψ ˜ e ( r , t ) e , { 0 } + q ψ ˜ q ( r , t ) g , { q }
Γ ( r ) = d 3 r ' Γ ( r , r ' ) = μ 2 q ε q ( r ) 2 δ ( ω q ω 0 ) Δ c i η c
2 x 2 ψ e ( x ) + 2 m ħ 2 [ E + i ħ γ c ( x ) ] ψ e ( x ) = 0

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