Approximation of semiclassical expectation values by symplectic Gaussian wave packet dynamics
Approximation of semiclassical expectation values by symplectic Gaussian wave packet dynamics
复制标题
用辛高斯波包动力学逼近半经典期望值
DOI:
10.1007/s11005-021-01462-6
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发表时间:
2021
影响因子:
1.2
通讯作者:
Ohsawa, Tomoki
中科院分区:
文献类型:
--
作者:
Ohsawa, Tomoki
This paper concerns an approximation of the expectation values of the position and momentum of the solution to the semiclassical Schrödinger equation with a Gaussian as the initial condition. Of particular interest is the approximation obtained by our symplectic/Hamiltonian formulation of the Gaussian wave packet dynamics that introduces a correction term to the conventional formulation using the classical Hamiltonian system by Hagedorn and others. The main result is a proof that our formulation gives a higher-order approximation than the classical formulation does to the expectation value dynamics under certain conditions on the potential function. Specifically, as the semiclassical parameterapproaches 0, our dynamics gives anapproximation of the expectation value dynamics, whereas the classical one gives anapproximation.
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影响因子:
3
作者:
G. Hagedorn
通讯作者:
G. Hagedorn
影响因子:
2.5
作者:
A. Bouzouina;D. Robert
通讯作者:
D. Robert
影响因子:
2.4
作者:
G. Hagedorn;A. Joye
通讯作者:
A. Joye
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
Alexander B. Watson;Jianfeng Lu;M. Weinstein
通讯作者:
M. Weinstein
DOI:
10.1063/1.4995233
发表时间:
2016
期刊:
arXiv: Mathematical Physics
影响因子:
--
作者:
T. Ohsawa;C. Tronci
通讯作者:
C. Tronci