Quantum-electrodynamical approach to multiphoton ionization in the high-intensity field
Technical Report
·
OSTI ID:5666883
The development of high-power lasers has made it possible to achieve light intensities of the order of one atomic unit. At these field strengths relativistic effects become important. It is thus of interest to study multiphoton ionization from the point of view of quantum electrodynamics (QED). In recent work Filipowicz (1985) obtained the solution of the Dirac equation for an electron interacting with a quantized electromagnetic plane wave. He also discussed the non-quantum limit of this solution. The authros here solve the Dirac equation for an electron interacting with a quantized and elliptically polarized electromagnetic field. The use the solution to obtain a relativistic S-matrix amplitude for multiphoton ionization in the high-intensity limit. Its non-relativistic limit is also derived and is used to construct a multiphoton transition-rate formula which is compared with previous results.
- Research Organization:
- Oregon Univ., Eugene, OR (USA). Dept. of Physics
- OSTI ID:
- 5666883
- Report Number(s):
- AD-A-209082/7/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
AMPLITUDES
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
ELECTRODYNAMICS
ELECTROMAGNETIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FIELD THEORIES
IONIZATION
LASERS
LEPTONS
MATRICES
MULTI-PHOTON PROCESSES
PARTIAL DIFFERENTIAL EQUATIONS
PHOTOIONIZATION
POLARIZATION
QUANTIZATION
QUANTUM ELECTRODYNAMICS
QUANTUM FIELD THEORY
RADIATIONS
S MATRIX
VISIBLE RADIATION
WAVE EQUATIONS
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
AMPLITUDES
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
ELECTRODYNAMICS
ELECTROMAGNETIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FIELD THEORIES
IONIZATION
LASERS
LEPTONS
MATRICES
MULTI-PHOTON PROCESSES
PARTIAL DIFFERENTIAL EQUATIONS
PHOTOIONIZATION
POLARIZATION
QUANTIZATION
QUANTUM ELECTRODYNAMICS
QUANTUM FIELD THEORY
RADIATIONS
S MATRIX
VISIBLE RADIATION
WAVE EQUATIONS