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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Energy stability and error analysis of a maximum bound principle preserving scheme for the dynamical Ginzburg-Landau equations of Superconductivity
超导动力学 金茨堡-朗道方程 最大界界原理 能量稳定性 误差分析
2023/4/25
We focus on numerical study of the dynamical Ginzburg-Landau equations under the temporal gauge, and propose a decoupled numerical scheme based on the finite element method. For the variable A, the se...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：An implicit, asymptotic-preserving and energy-charge conserving method for the Vlasov-Maxwell system near quasineutrality
弗拉索夫-麦克斯韦系统 近准中性 隐式渐近守恒 能量电荷守恒
2023/4/13
An implicit asymptotic-preserving and energy-charge conserving (APECC) Particle-In-Cell method is proposed to solve the Vlasov-Maxwell (VM) equations in the quasi-neutral limit. Charge conservation is...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Energy/dissipation-preserving split Birkhoffian multi-symplectic methods for Maxwell’s equations
麦克斯韦方程组 能量/耗散守恒分裂 Birkhofian 多辛方法
2023/5/18
We propose a novel kind of energy/dissipation-preserving split Birkhoffian multi-symplectic (S-BMS) methods for Maxwell's equations with dissipation terms. After investigating the non-autonomous and a...
A steady state capturing and preserving method for computing hyperbolic systems with geometrical source terms having concentrations
Shallow water equations Nozzle flow equations Discontinuous topography well-balanced scheme surface gradient method Shock capturing
2012/8/8
A steady state capturing and preserving method for computing hyperbolic systems with geometrical source terms having concentrations 。
Lorentz-preserving fields in Lorentz-violating theories
Lorentz-preserving fields Lorentz-violating theories
2010/12/23
We identify a fairly general class of field configurations (of spins 0, 1/2 and 1) which preserve Lorentz invariance in effective field theories of Lorentz violation characterized by a constant timel...
Graphene as a quantum surface with curvature-strain preserving dynamics
Graphene preserving dynamics
2010/11/19
We discuss how the curvature and the strain density of the atomic lattice generate the quantization of graphene sheets as well as the dynamics of geometric quasiparticles propagating along the constan...
Polarization-preserving confocal microscope for optical experiments in a dilution refrigerator with high magnetic field
Polarization-preserving confocal microscope optical experiments dilution refrigerator magnetic field
2010/11/11
We present the design and operation of a fiber-based cryogenic confocal microscope. It is designed as a compact cold-finger that fits inside the bore of a superconducting magnet, and which is a modula...
Limits on Preserving Quantum Coherence using Multi-Pulse Control
Limits Preserving Quantum Coherence Multi-Pulse Control
2010/10/19
We explore the physical limits of pulsed dynamical decoupling methods for decoherence control
as determined by finite timing resources. By focusing on a decohering qubit controlled by arbitrary seque...
Entanglement evolution of non-trace-preserving maps
Entanglement evolution non-trace-preserving maps
2010/10/21
By solving the Schrodinger equation one obtains the whole energy spectrum, both the bound and
the continuum states. If the Hamiltonian depends on a set of parameters, these could be tuned to a trans...
Entanglement Preserving in Quantum Copying of Three-Qubit
Entangled State
entangled states quantum entanglement quantum copying
2007/8/15
2002Vol.38No.5pp.541-546DOI:
Entanglement Preserving in Quantum Copying of Three-Qubit
Entangled State
TONG Zhao-Yang and KUANG Le-Man
Department of Physics, Hunan Norma...
Teleportation with an Arbitrary Mixed Resource as a Trace-Preserving
Quantum Channel
teleportation fidelity
2007/8/15
2002Vol.38No.3pp.301-304DOI:
Teleportation with an Arbitrary Mixed Resource as a Trace-Preserving
Quantum Channel
Sergio Albeverio,1 FEI Shao-Ming,1,2 and
YANG Wen-Li3,4
...
Controlling Strong Chaos by an Aperiodic Perturbation
in Area Preserving Maps
controlling chaos area preserving map regular motion
2007/8/15
2002Vol.37No.5pp.549-556DOI:
Controlling Strong Chaos by an Aperiodic Perturbation
in Area Preserving Maps
XU Hai-Bo, WANG Guang-Rui, and CHEN Shi-Gang
Institute of Appl...
On General Volume-Preserving Mechanical Systems via Cohomology
volume-preserving
mechanical system symplectic manifold cohomology
2007/8/15
2003Vol.40No.5pp.595-600DOI:
On General Volume-Preserving Mechanical Systems via Cohomology
ZHOU Bin,1 GUO Han-Ying,2 and WU Ke3
1 Institute of High Energy Physics, the...
Multisymplectic Structure-Preserving in Simple Finite Element
Method in High Dimensional Case
finite element method multisymplectic uniform mesh subdivision
2007/8/15
2003Vol.40No.1pp.1-8DOI:
Multisymplectic Structure-Preserving in Simple Finite Element
Method in High Dimensional Case
BAI Yong-Qiang,1,2 LIU Zhen,1,2 PEI Ming,2 and
ZHENG Zhu-Jun...
Form-Preserving Transformations of Time-Dependent
Schrödinger Equation with Time- and Position-Dependent Mass
time-dependent Schrö dinger equation space-time transformation
time- and position-dependent mass exact solutions
2007/8/15
2005Vol.43No.4pp.657-665DOI:
Form-Preserving Transformations of Time-Dependent
Schrödinger Equation with Time- and Position-Dependent Mass
Axel Schulze-Halberg
Depa...