نتایج جستجو برای: phase space method
تعداد نتایج: 2515421 فیلتر نتایج به سال:
We provide a brief review of how phase space techniques are explored within strong-field and attosecond science. This includes broad overview the existing landscape, with focus on ionisation rescattering, high-order harmonic generation, stabilisation free-electron lasers. Furthermore, using our work subject, which deals dynamics in atoms diatomic molecules as well generation inhomogeneous field...
For the Wigner equation with discontinuous potentials, a phase space Gaussian beam (PSGB) summation method is proposed in this paper. We first derive the equations satisfied by the parameters for PSGBs and establish the relations for parameters of the Gaussian beams between the physical space (GBs) and the phase space, which motivates an efficient initial data preparation thus a reduced computa...
in this paper, using the tight-binding model, we extend the real-space renormalization group method to time-dependent hamiltonians. we drive the time-dependent recursion relations for the renormalized tight-binding hamiltonian by decimating selective sites of lattice iteratively. the formalism is then used for the calculation of the local density of electronic states for a one dimensional quant...
Objectives Impression accuracy is the main determinant of the fit, form and function of prosthetic restorations. Polyvinyl siloxane (PVS) is the material of choice in most clinical situations. The purpose of this paper is to provide an up-to-date review of scientific articles which discuss the dimensional accuracy of PVS impression material using various impression techniques, tray types and sp...
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