EFFECTIVE POTENTIALS FOR TIME-DEPENDENT CALCULATIONS OF MULTIPHOTON PROCESSES IN ATOMS

被引:35
作者
KULANDER, KC
RESCIGNO, TN
机构
[1] Theoretical Atomic and Molecular Physics Group, Lawrence Livermore National Laboratory, Livermore
关键词
D O I
10.1016/0010-4655(91)90273-N
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Time-dependent calculations of multiphoton processes in multielectron atoms can utilize effective potentials to reduce the calculation to one for a single electron. The time-dependent Schrodinger equation for the wavefunction of this electron is solved using a finite-difference, implicit integration scheme. From this time-dependent wave function we can extract cross-sections and/or rates for photoemission, excitation and ionization. The effective potentials are constructed from Hartree-Slater calculations on the ground state of the atoms. Illustrative results are presented.
引用
收藏
页码:523 / 528
页数:6
相关论文
共 28 条
[21]   MULTIPHOTON IONIZATION OF THE NOBLE-GASES BY AN INTENSE 10(14)-W/CM2 DYE-LASER [J].
PERRY, MD ;
LANDEN, OL ;
SZOKE, A ;
CAMPBELL, EM .
PHYSICAL REVIEW A, 1988, 37 (03) :747-760
[22]   MULTIPHOTON PROCESSES IN AN INTENSE LASER FIELD - HARMONIC-GENERATION AND TOTAL IONIZATION RATES FOR ATOMIC-HYDROGEN [J].
POTVLIEGE, RM ;
SHAKESHAFT, R .
PHYSICAL REVIEW A, 1989, 40 (06) :3061-3079
[23]   ENERGY ANALYSIS OF TIME-DEPENDENT WAVE-FUNCTIONS - APPLICATION TO ABOVE-THRESHOLD IONIZATION [J].
SCHAFER, KJ ;
KULANDER, KC .
PHYSICAL REVIEW A, 1990, 42 (09) :5794-5797
[24]   GENERATION OF OPTICAL HARMONICS BY INTENSE PULSES OF LASER-RADIATION .1. PROPAGATION EFFECTS [J].
SHORE, BW ;
KULANDER, KC .
JOURNAL OF MODERN OPTICS, 1989, 36 (07) :857-875
[25]  
SHORE BW, 1990, THEORY COHERENT ATOM, V1, P142
[26]   SELF-CONSISTENT TIME-DEPENDENT, HARTREE-FOCK CALCULATION FOR A REACTIVE MOLECULAR COLLISION [J].
TISZAUER, D ;
KULANDER, KC .
PHYSICAL REVIEW A, 1984, 29 (05) :2909-2911
[27]   COMPUTATION METHODS EMPLOYED IN THE SELF-CONSISTENT TIME-DEPENDENT, HARTREE-FOCK CALCULATION FOR A REACTIVE MOLECULAR COLLISION [J].
TISZAUER, DH ;
KULANDER, KC .
COMPUTER PHYSICS COMMUNICATIONS, 1991, 63 (1-3) :351-364
[28]  
VARGA RS, 1962, MATRIX ITERATIVE ANA, pCH7