实验科学与技术
實驗科學與技術
실험과학여기술
EXPERIMENT SCIENCE AND TECHNOLOGY
2015年
4期
16-18,91
,共4页
P 稳定%Obrechkoff 方法%Woods -Saxon 势%Poschl -Teller 势
P 穩定%Obrechkoff 方法%Woods -Saxon 勢%Poschl -Teller 勢
P 은정%Obrechkoff 방법%Woods -Saxon 세%Poschl -Teller 세
P -stable%Obrechkoff method%Woods -Saxon potential%Pschl -Teller potential
用 Wang 的 Obrechkoff 数值方法来求解常见的 Schrdinger 方程,即两步高阶微商。该方法的特点是采用增加奇数高阶微商使得数值结果 P 稳定。Schrdinger 方程中,例如一维的 Woods -Saxon 势和 Pschl -Teller 势,使用该方法计算后,不仅提高了计算效率,也提高了数值结果的精度。
用 Wang 的 Obrechkoff 數值方法來求解常見的 Schrdinger 方程,即兩步高階微商。該方法的特點是採用增加奇數高階微商使得數值結果 P 穩定。Schrdinger 方程中,例如一維的 Woods -Saxon 勢和 Pschl -Teller 勢,使用該方法計算後,不僅提高瞭計算效率,也提高瞭數值結果的精度。
용 Wang 적 Obrechkoff 수치방법래구해상견적 Schrdinger 방정,즉량보고계미상。해방법적특점시채용증가기수고계미상사득수치결과 P 은정。Schrdinger 방정중,례여일유적 Woods -Saxon 세화 Pschl -Teller 세,사용해방법계산후,불부제고료계산효솔,야제고료수치결과적정도。
In this paper,we focus on the new kind of P -stable two -step Obrechkoff method for the ultra -high -accurate solution of a one -dimensional Schrdinger equation.Through improving the Wang's method,we develop a new kind of P -stable two -step Ob-rechkoff method by adding the odd higher -order derivatives.This proposed method is very effective but has very high local truncation error.We apply our new method to the one -dimensional Schrdinger equation such as the well -know Woods -Saxon potential and Pschl -Teller potential.Their numerical solution testified that the new method is very reliability.