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Exact quantum dynamics for two-level systems with time-dependent driving: 《Chinese Physics B》2024年第12期79-85,共7页Zhi-Cheng He Yi-Xuan Wu Zheng-Yuan Xue; supported by the National Natural Science Foundation of China(Grant No.12275090);the Guangdong Provincial Quantum Science Strategic Initiative(Grant No.GDZX2203001);the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302303)。; It is well known that the time-dependent Schrrödinger equation can only be solved exactly in very rare cases,even for two-level quantum systems.Thus,finding the exact quantum dynamics under a time-dependent Hamiltonia...; 关键词：quantum computation quantum control analytical solution

Momentum distributions of symmetric(H_(2)^(+))and asymmetric(HeH^(2+))molecular ions in a circularly polarized laser field under different ionization mechanisms: 《Chinese Physics B》2024年第12期258-263,共6页Xin-Yu Hao Shu-Juan Yan Ying Guo Jing Guo; Project supported by the Natural Science Foundation of Jilin Province(Grant No.20220101010JC);the National Natural Science Foundation of China(Grant No.12074146)。; By numerically solving the two-dimensional(2D)time-dependent Schrödinger equation(TDSE),we present photoelectron momentum distributions(PMDs)and photoelectron angular distributions(PADs)of symmetric(H_(2)^(+))and asym...; 关键词：resonance excitation time-dependent Schrödinger equation ultrafast ionization model photoelectron momentum distributions

Impact of different interaction behavior on epidemic spreading in time-dependent social networks: 《Chinese Physics B》2024年第3期190-195,共6页黄帅陈杰李梦玉徐元昊胡茂彬; This work was supported by the National Natural Science Foundation of China(Grant No.12072340);the China Postdoctoral Science Foundation(Grant No.2022M720727);the Jiangsu Funding Program for Excellent Postdoctoral Talent(Grant No.2022ZB130).; We investigate the impact of pairwise and group interactions on the spread of epidemics through an activity-driven model based on time-dependent networks.The effects of pairwise/group interaction proportion and pairwi...; 关键词：epidemic transmission complex network time-dependent networks social interaction

Calibration of quantitative rescattering model for simulating vortex high-order harmonic generation driven by Laguerre–Gaussian beam with nonzero orbital angular momentum: 《Chinese Physics B》2023年第12期98-107,共10页韩嘉鑫管仲汪倍羽金成; Project supported by the National Natural Science Foundation of China (Grant Nos.12274230,91950102,and 11834004);the Funding of Nanjing University of Science and Technology (Grant No.TSXK2022D005);the Postgraduate Research&Practice Innovation Program of Jiangsu Province of China (Grant No.KYCX230443)。; We calibrate the macroscopic vortex high-order harmonic generation(HHG)obtained by the quantitative rescattering(QRS)model to compute single-atom induced dipoles against that by solving the time-dependent Schr?dinger ...; 关键词：high-order harmonic generation quantitative rescattering model time-dependent Schr?dinger equation macroscopic propagation orbital angular momentum Laguerre–Gaussian beam

Time-dependent variational approach to solve multi-dimensional time-dependent Schr?dinger equation: 《Chinese Physics B》2023年第12期361-366,共6页何明睿王哲姚陆锋李洋; Project supported by the National Natural Science Foundation of China (Grant Nos.12204545 and 12274294);the Program for NUE independent research and development。; We present an efficient approach to solve multi-dimensional time-dependent Schr?dinger equation(TDSE)in an intense laser field.In this approach,each spatial degree of freedom is treated as a distinguishable quasi-part...; 关键词：time-dependent variational approach above-threshold ionization high harmonic generation

Phase-coherence dynamics of frequency-comb emission via high-order harmonic generation in few-cycle pulse trains: 《Chinese Physics B》2023年第3期205-211,共7页梁畅通张晶晶李鹏程; the National Natural Science Foundation of China(Grant Nos.12074239 and 91850209);the Natural Science Foundation of Guangdong Province,China(Grant Nos.2020A1515010927 and 2020ST084);the Fund from the Department of Education of Guangdong Province,China(Grant Nos.2019KTSCX038 and 2020KCXTD012);the Fund from Shantou University(Grant No.NTF18030).; Frequency-comb emission via high-order harmonic generation(HHG)provides an alternative method for the coherent vacuum ultraviolet(VUV)and extreme ultraviolet(XUV)radiation at ultrahigh repetition rates.In particular,t...; 关键词：high-order harmonic generation frequency comb time-dependent Schro¨dinger equation intense laser field systems

A new global potential energy surface of the ground state of SiH_(2)^(+)(X^(2)A_(1))system and dynamics calculations of the Si^(+)+H_(2)(v_(0)=2,j_(0)=0)→SiH^(+)+H reaction: 《Chinese Physics B》2022年第11期297-302,共6页Yong Zhang Xiugang Guo Haigang Yang; supported by Key Projects of Science and Technology in the 13th Five Year Plan of Jilin Provincial Department of Education,China(Grant No.JJKH20200482KJ)。; A global potential energy surface(PES)of the ground state of SiH_(2)^(+) system is built by using neural network method based on 18223 ab initio points.The topographic properties of PES are presented and compared with...; 关键词：potential energy surface integral cross section rate constant time-dependent wave packet

Solving the time-dependent Schrödinger equation by combining smooth exterior complex scaling and Arnoldi propagator被引量：1: 《Chinese Physics B》2022年第1期227-234,共8页Shun Wang Wei-Chao Jiang; the National Natural Science Foundation of China(Grant Nos.12074265 and 11804233).; Abstract We develop a highly efficient scheme for numerically solving the three-dimensional time-dependent Schrödinger equation of the single-active-electron atom in the field of laser pulses by combining smooth exter...; 关键词：time-dependent Schrödinger equation(TDSE) smooth exterior complex scaling(SECS)absorb-ing method Arnoldi propagator

Geometry of time-dependent PT-symmetric quantum mechanics: 《Chinese Physics B》2021年第10期47-55,共9页Da-Jian Zhang Qing-hai Wang Jiangbin Gong; supported by Singapore Ministry of Education Academic Research Fund Tier I(WBS No.R-144-000-353-112);by the Singapore NRF Grant No.NRFNRFI2017-04(WBS No.R-144-000-378-281);supported by Singapore Ministry of Education Academic Research Fund Tier I(WBS No.R-144-000-352-112)。; A new type of quantum theory known as time-dependent𝒫PT-symmetric quantum mechanics has received much attention recently.It has a conceptually intriguing feature of equipping the Hilbert space of a𝒫PT-symmetric syst...; 关键词：time-dependent𝒫PT-symmetric quantum mechanics GEOMETRY time-varying inner product unconventional geometric phase

Variation of electron density in spectral broadening process in solid thin plates at 400 nm: 《Chinese Physics B》2021年第10期323-327,共5页Si-Yuan Xu Yi-Tan Gao Xiao-Xian Zhu Kun Zhao Jiang-Feng Zhu Zhi-Yi Wei; supported by the National Key Research and Development Program of China(Grant No.2017YFB0405202),the Major Program of the National Natural Science Foundation of China(Grant No.61690221);the General Program of the National Natural Science Foundation of China(Grant No.11774277).; The generation of continuous spectrum centered at 400 nm from solid thin plates is demonstrated in this work.A continuum covering 365 nm to 445 nm is obtained when 125-µJ frequency-doubled Ti:sapphire laser pulses ar...; 关键词：nonlinear spectral broadening time-dependent nonlinear Schrodinger equation self-phase modu-lation electron density

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