نتایج جستجو برای: continuum mode
تعداد نتایج: 266366 فیلتر نتایج به سال:
Lattice fermions have well-known difficulties with chiral symmetry. To evade them it is possible to couple continuum fermions to lattice gauge fields, by introducing an interpolation of the latter. Following this line of thinking, this paper presents two Euclidean formulations of the effective action that appears after functional integration over fermion fields, one for vector-like and the othe...
Classical continuum elastic calculations show that the acoustic vibrational modes of an embedded nanoparticle can be lightly damped even when the longitudinal plane wave acoustic impedances Z(o)=rhov(L) of the nanoparticle and the matrix are the same. It is not necessary for the matrix to be less dense or softer than the nanoparticle in order to have long lived vibrational modes. A corrected fo...
We have investigated one-way surface plasmon-polaritons (SPPs) at the interface of a continuum magnetoplasma material and metal, in the presence of three-dimensional surface defects. Bulk electromagnetic modes of continuum materials have Chern numbers, analogous to those of photonic crystals. This can lead to the appearance of topologically-protected surface modes at material interfaces, propag...
“Ecological network” and “food web” are summary terms covering a continuum from speciesassociation based networks to quantified-links networks to interaction-specified ecosystem models. In particular “classical” one-mode (“unipartite”) food webs and bipartite (two-mode) interaction networks are two very active research fields. While often aiming to tackle similar topics (such as community stabi...
A detailed analysis of the bound-state spectrum of HOCl ~hypoclorous acid! in the ground electronic state is presented. Exact quantum mechanical calculations ~filter diagonalization! are performed employing an ab initio potential energy surface, which has been constructed using the multireference configuration-interaction method and a quintuple-zeta one-particle basis set. The wave functions of...
[1] Several observational studies suggest that solar wind dynamic pressure fluctuations can drive magnetospheric ultralow‐frequency (ULF) waves on the dayside. To investigate this causal relationship, we present results from Lyon‐Fedder‐Mobarry (LFM) global, three‐dimensional magnetohydrodynamic (MHD) simulations of the solar wind–magnetosphere interaction. These simulations are driven with syn...
The particle-hole continuum (PHC) for massive Dirac fermions provides an unprecedented opportunity for the formation of two collective split-off states, one in the singlet and the other in the triplet (spin-1) channel, when the short-range interactions are added to the undoped system. Both states are close in energy and are separated from the continuum of free particle-hole excitations by an e...
It is becoming increasingly clear that psychosis occurs along a continuum. At the high end are formal psychotic disorders such as schizophrenia, and at the low-end are individuals who experience occasional psychotic symptoms, but are otherwise healthy (non-clinical psychosis, NCP). Schizophrenia has been shown to be marked by altered patterns of connectivity between brain regions, but it is not...
We present results on the energy dependence of the vibrational branching ratio for the bending mode in CO2 3su 21 photoionization. Specifically, we determine the v5(0,1,0)/v5(0,0,0) intensity ratio by detecting dispersed fluorescence from the electronically excited photoions. The results exhibit large deviations over a very wide energy range, 18,hnexc,190 eV. Production of the v5(0,1,0) level o...
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