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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Global unique solutions for the inhomogeneous Navier-Stokes equation with only bounded density, in critical regularity spaces
临界正则性空间 界密度 非齐次 纳维-斯托克斯方程 全局唯一解
2023/4/25
Our work is to prove the global existence and uniqueness of solutions to the inhomogeneous incompressible Navier-Stokes system in the case where the initial density $\rho_0$ is discontinuous and the i...
Contradiction of the DENSITY MATRIX notion in quantum mechanics
Contradiction of the DENSITY MATRIX notion quantum mechanics General Physics
2012/4/19
It is shown that description of a nonpolarized neutron beam by density matrix is contradictory. Density matrix is invariant with respect to choice of quantization axis, while experimental devices can ...
A density-functional approach on the hexagonal graphene lattice is developed using an exact
numerical solution to the Hubbard model as the reference system. Both nearest-neighbour and up
to third ne...
Study of fusion dynamics using Skyrme energy density formalism with different surface corrections
Study of fusion dynamics Skyrme energy density formalism different surface corrections
2011/1/6
Within the framework of Skyrme energy density formalism, we investigate the role of surface
corrections on the fusion of colliding nuclei. For this, the coefficient of surface correction was varied b...
Symmetry breaking orbital anisotropy on detwinned Ba(Fe1-xCox)2As2 above the spin density wave transition
Symmetry breaking orbital anisotropy detwinned Ba
2010/11/17
Nematicity, defined as broken rotational symmetry, has recently been observed in the competing phases in proximity to the superconducting phase in the high TC cuprates (1-2). Similarly, the new iron-b...
Coupled-channels density-matrix approach to low-energy nuclear collision dynamics: A technique for quantifying quantum decoherence effects on reaction observables
Coupled-channels density-matrix low-energy nuclear collision dynamics reaction observables
2010/11/11
The coupled-channels density-matrix technique for nuclear reaction dynamics, which is based on the Liouville-von Neumann equation with Lindblad dissipative terms, is developed with the inclusion of fu...
Limit distribution with a combination of density functions for a 2-state quantum walk
Limit distribution Time-inhomogeneous 2-state quantum walk
2010/11/5
We consider 2-state time-inhomogeneous quantum walks defined by two matrices on the line. For the time-homogeneous walks determined by a unitary matrix, the limit distribution is expressed by a simple...
Entangled three-particle states in magnetic field: Periodic correlations and density matrices
quantum entanglement Wigner rotation Lorentz transformation density matrix
2010/3/10
Time evolutions of different types of entangled states of three spin-1/2 particles are studied in the presence of a constant, external magnetic field, which causes the individual spins to precess. Thi...
Effect of non-abrupt doping and interfacial profiles on the carrier sheet density in one-side modulation-doped GaN/AlGaN quantum wells
non-abrupt doping interfacial profiles carrier sheet density quantum wells
2010/7/5
The results of an accurate theoretical study on the effects of non-abrupt doping and interfacial profiles on the electron sheet density in one-side modulation-doped wurtzite GaN/AlGaN single quantum w...
Nuclear Level Density and Thermodynamic Functions for Nuclei
with Static Deformation
nuclear level density thermodynamic function deformation
2007/8/15
2002Vol.37No.4pp.457-460DOI:
Nuclear Level Density and Thermodynamic Functions for Nuclei
with Static Deformation
A.N. Behkami and M.N. Nasrabadi
Physics Department, Shi...
No-relationship Between Impossibility of Faster-Than-Light Quantum Communication and Distinction of Ensembles with the Same Density Matrix
faster-than-light communication distinction of ensembles density matrix
2007/8/15
2005Vol.44No.4pp.622-624DOI:
No-relationship Between Impossibility of Faster-Than-Light Quantum Communication and Distinction of Ensembles with the Same Density Matrix
WANG Chuan,...
The Density of States and Band Gap of Liquid Water by Sequential Monte Carlo/Quantum Mechanics Calculations
Liquid Water Sequential Monte Carlo/Quantum Mechanics Calculations DOS EG
2010/10/18
Electronic properties of liquid water were investigated by sequential Monte Carlo/Quantum mechanics calculations. The density of states (DOS) and HOMO-LUMO gap (EG) of liquid water have been determine...