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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

Analytical solution to incident angle quasi-phase-matching engineering for second harmonic generation in a periodic-poled lithium niobate crystal: 《Chinese Physics B》2024年第2期115-123,共9页洪丽红邱雅婷李晓霓陈宝琴李志远; Project supported by the National Natural Science Foundation of China(Grant No.11974119);the Science and Technology Project of Guangdong Province,China(Grant No.2020B010190001);the Guangdong Innovative and Entrepreneurial Research Team Program(Grant No.2016ZT06C594);the National Key Research and Development Program of China(Grant Nos.2018YFA,0306200,and 2019YFB2203500);the Science and Technology Program of Guangzhou City(Grant No.2023A04J1309).; Phase matching or quasi-phase matching(QPM)is of significant importance to the conversion efficiency of second harmonic generation(SHG)in artificial nonlinear crystals like lithium niobate(LN)crystal or microstructure...; 关键词：nonlinear frequency conversion transmission REFLECTION lithium niobate

Three-dimensional MHD flow over a shrinking sheet: Analytical solution and stability analysis被引量：1: 《Chinese Physics B》2017年第1期285-289,共5页Sumaira Afzal Saleem Asghar Adeel Ahmad; The magnetohydrodynamic（MHD） steady and unsteady axisymmetric flows of a viscous fluid over a two-dimensional shrinking sheet are addressed. The mathematical analysis is carried out in the presence of a large magnet...; 关键词：steady and unsteady magnetohydrodynamic flows two-directional shrinking sheet exact and asymptotic solutions stability analysis

Analytical solution based on the wavenumber integration method for the acoustic field in a Pekeris waveguide被引量：2: 《Chinese Physics B》2016年第4期194-205,共12页骆文于于晓林杨雪峰张仁和; supported by the National Natural Science Foundation of China(Grant No.11125420);the Knowledge Innovation Program of the Chinese Academy of Sciences;the China Postdoctoral Science Foundation(Grant No.2014M561882);the Doctoral Fund of Shandong Province;China(Grant No.BS2012HZ015); An exact solution based on the wavenumber integration method is proposed and implemented in a numerical model for the acoustic field in a Pekeris waveguide excited by either a point source in cylindrical geometry or a...; 关键词：wavenumber integration technique Pekeris waveguide analytical solution branch line integral

Inverse problem of quadratic time-dependent Hamiltonians: 《Chinese Physics B》2015年第8期159-165,共7页郭光杰孟艳常虹段会增邸冰; supported by the National Natural Science Foundation of China(Grant No.11347171);the Natural Science Foundation of Hebei Province of China(Grant No.A2012108003);the Key Project of Educational Commission of Hebei Province of China(Grant No.ZD2014052); Using an algebraic approach, it is possible to obtain the temporal evolution wave function for a Gaussian wavepacket obeying the quadratic time-dependent Hamiltonian(QTDH). However, in general, most of the practical c...; 关键词：quadratic time-dependent Hamiltonians analytical solution inverse method

Time fractional dual-phase-lag heat conduction equation被引量：2: 《Chinese Physics B》2015年第3期207-213,共7页续焕英蒋晓芸; supported by the National Natural Science Foundation of China(Grant Nos.11102102,11472161,and 91130017);the Natural Science Foundation of Shandong Province,China(Grant No.ZR2014AQ015);the Independent Innovation Foundation of Shandong University,China(Grant No.2013ZRYQ002); We build a fractional dual-phase-lag model and the corresponding bioheat transfer equation, which we use to interpret the experiment results for processed meat that have been explained by applying the hyperbolic condu...; 关键词：fractional dual-phase-lag model thermal wave non-Fourier heat conduction analytical solution

Application of the homotopy analysis method for the Gross-Pitaevskii equation with a harmonic trap被引量：1: 《Chinese Physics B》2012年第12期88-93,共6页石玉仁刘丛波王光辉周志刚; Project supported by the National Natural Science Foundation of China(Grant No.11047010);the Key Project Foundation of the Education Ministry of China(Grant No.209128); The Homotopy analysis method （HAM） is adopted to find the approximate analytical solutions of the Gross- Pitaevskii equation, a nonlinear Schrodinger equation is used in simulation of Bose-Einstein condensates trapp...; 关键词：Gross-Pitaevskii equation homotopy analysis method analytical solution

Analytical investigation of the boundary-triggered phase transition dynamics in a cellular automata model with a slow-to-start rule被引量：1: 《Chinese Physics B》2012年第10期38-43,共6页贾宁马寿峰钟石泉; Project supported by the National Natural Science Foundation of China (Grant Nos. 70971094 and 50908155);the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT); Previous studies suggest that there are three different jam phases in the cellular automata automaton model with a slow-to-start rule under open boundaries.In the present paper,the dynamics of each free-flow-jam phase...; 关键词：traffic flow boundary-triggered phase transition cellular automata time evolution analytical solution

Pseudo analytical solution to time periodic stiffness systems: 《Chinese Physics B》2011年第4期97-102,共6页王延忠周元子; supported by the National Natural Science Foundation of China (Grant No. 50875009);the Defense Industrial Technology Development Program of China (Grant No. B0620060424);the Aviation Science Foundation of China (Grant No. 20090451009); An analytical form of state transition matrix for a system of equations with time periodic stiffness is derived in order to solve the free response and also allow for the determination of system stability and bifurcat...; 关键词：parametric excitation time periodic stiffness STABILITY RESPONSE

Analytical solutions of transient pulsed eddy current problem due to elliptical electromagnetic concentrative coils被引量：2: 《Chinese Physics B》2010年第12期30-42,共13页肖春燕张军; Project supported by the National Natural Science Foundation of China (Grant No. 50807001); The electromagnetic concentrative coils are indispensable in the functional magnetic stimulation and have potential applications in nondestructive testing. In this paper, we propose a figure-8-shaped coil being compos...; 关键词：transient pulsed eddy current analytical solution elliptical electromagnetic concentra-tive coil functional magnetic stimulation

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