An Introduction to Multiphoton Ionization and Study of Ionization Rate of Hydrogen Atom (abstract) | Zendy

N. Shrestha | Zendy; J. J. Nakarmi | Zendy; L. N. Jha | Zendy; Beverly Karplus Hartline | Zendy; Renee K. Horton | Zendy; Catherine M. Kaicher | Zendy

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An Introduction to Multiphoton Ionization and Study of Ionization Rate of Hydrogen Atom (abstract)

Author(s) -

N. Shrestha,

J. J. Nakarmi,

L. N. Jha,

Beverly Karplus Hartline,

Renee K. Horton,

Catherine M. Kaicher

Publication year - 2009

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.3137882

Subject(s) - semiclassical physics , ionization , atomic physics , hydrogen atom , physics , perturbation theory (quantum mechanics) , photon , perturbation (astronomy) , tunnel ionization , electron , nonlinear system , atom (system on chip) , hydrogen , quantum electrodynamics , quantum mechanics , ion , quantum , computer science , embedded system , group (periodic table)

From a semiclassical point of view, we discuss the problem of nonlinear interaction between electromagnetic radiation and atoms. The time‐dependent Schrodinger equation for single electron systems is solved using perturbative technique to obtain transition probability. We also discuss higher order perturbation used in multiple processes where two or more quanta are emitted instead of a single photon. The approach is based on the assumption that the perturbation is small. From the transition probability ionization rate and absorption, the cross‐section of hydrogen atoms is calculated. Variation in photon energy and field strength is analyzed. Variation of cross‐section with photon energy is discussed.

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