We propose a method to calculate the positions of avoided crossings for Rydberg potassium
in a static electric field by using Shannon entropy. Our method can be divided into two steps …

An all-optical method for directly reconstructing the spectral phase of an isolated attosecond
pulse (IAP) has been proposed recently [New J. Phys. 25, 083003 (2023)] 1367-2630 …

Based on a multilevel model considering enough bound electronic states of atoms, we
theoretically study the role of the transition dipole phase (TDP) in the attosecond transient …

An all-optical method for directly reconstructing the spectral phase of isolated attosecond
pulse (IAP) has been proposed recently [New J. Phys. 25, 083003 (2023)]. This method is …

用B 样条基组展开方法结合模型势计算了Rydberg 锂原子在平行电磁场下的振子强度谱.
径向和角向均采用高阶B 样条基组. 计算结果与已有的实验结果符合得很好. 利用分波分析法 …

Attosecond transient absorption (ATA) has been developed as an all-optical technique for
probing electron dynamics in matter. Here we present a scheme that can modify the laser …

The B-spline expansion technique is applied to study the anticrossings for potassium
Rydberg states in a static electric field. The results of our calculation indicate that the …

We have applied a nonperturbative resonant theory to study the Rabi frequency of
microwave multiphoton transitions between two Rydberg states of potassium in a static …

A pseudospectral method with symplectic algorithm for the solution of time-dependent
Schrödinger equations (TDSE) is introduced. The spatial part of the wavefunction is …

The calculation of the radial matrix elements of alkali metal Rydberg states is of interest with
principal quantum number n up to 70. Until now calculations of the radial matrix elements …