Gauge-equivalent intense-field approximations in velocity and length gauges to all orders

Faisal F (2007)
PHYSICAL REVIEW A 75(6).

Journal Article | Published | English

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Abstract
A gauge invariant formulation of the so-called intense-field Keldysh-Faisal-Reiss (KFR) approximations in the "velocity" and "length" gauges is given and their equivalence is demonstrated term by term to all orders of the theory. It overcomes a long standing discrepancy between the velocity and the length gauge strong-field KFR amplitudes for nonperturbative processes in intense laser fields.
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Faisal F. Gauge-equivalent intense-field approximations in velocity and length gauges to all orders. PHYSICAL REVIEW A. 2007;75(6).
Faisal, F. (2007). Gauge-equivalent intense-field approximations in velocity and length gauges to all orders. PHYSICAL REVIEW A, 75(6).
Faisal, F. (2007). Gauge-equivalent intense-field approximations in velocity and length gauges to all orders. PHYSICAL REVIEW A 75.
Faisal, F., 2007. Gauge-equivalent intense-field approximations in velocity and length gauges to all orders. PHYSICAL REVIEW A, 75(6).
F. Faisal, “Gauge-equivalent intense-field approximations in velocity and length gauges to all orders”, PHYSICAL REVIEW A, vol. 75, 2007.
Faisal, F.: Gauge-equivalent intense-field approximations in velocity and length gauges to all orders. PHYSICAL REVIEW A. 75, (2007).
Faisal, Farhard. “Gauge-equivalent intense-field approximations in velocity and length gauges to all orders”. PHYSICAL REVIEW A 75.6 (2007).
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