First passage time of laser-driven tunneling.
Opt Lett
; 48(21): 5755-5758, 2023 Nov 01.
Article
en En
| MEDLINE
| ID: mdl-37910751
The notion of the first passage time is shown to offer a meaningful extension to quantum tunneling, providing a closed-integral-form analytical unification of the tunneling rate and the tunneling passage time. We demonstrate that, in suitable potential settings, the quantum first passage time, found as a solution to the Fokker-Planck and backward Kolmogorov's equations for the quantum probability density, recovers the hallmark results for the Kramers escape rate, the lifetime of tunneling quasi-stationary wave packets, leads to a classical, distance-over-speed passage time for a free-particle wave function, and offers useful insights into Keldysh's intimation on the electron barrier-traversal time in field-induced ionization.
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1
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01-internacional
Base de datos:
MEDLINE
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En
Revista:
Opt Lett
Año:
2023
Tipo del documento:
Article
Pais de publicación:
Estados Unidos