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INDEX electronic spectra

All the phenomena described above are absent in a 2D-junction when the effects of transverse mode quantization are neglected [7]. We have considered the limiting case of a single (transverse) channel because this is the case when the effects induced by a dispersion asymmetry in the electron spectrum are most pronounced. The anomalous supercurrent Eq. (7) is a sign alternating function of the transverse channel index since for neighboring channels the spin projections of chiral states are opposite [4]. Besides, the absolute value of the dispersion asymmetry parameter decreases with transverse-channel number j. So, for a multichannel junction the effects related to a dispersion asymmetry phenomenon will be strongly suppressed and they completely disappear in the pure 2D case. [Pg.226]

Benzo[(i]quinolines, 1,2,3,4,4a,5,6,1 Ob-octahydro-, stereoisomers, 57, 57 Benzoquinolizinium (ions/salts) reactivity indexes, 55, 344 reactivity with nucleophiles, 55, 346 Benzo[a]quinolizinium (ions/salts) calculated electron densities, 55, 275 calculated electronic spectrum, 55, 324 nitration, 55, 342 synthesis, 55, 282 Benzo[a]quinolizinium (ions),... [Pg.364]

In this Section we want to present one of the fingerprints of noble-metal cluster formation, that is the development of a well-defined absorption band in the visible or near UV spectrum which is called the surface plasma resonance (SPR) absorption. SPR is typical of s-type metals like noble and alkali metals and it is due to a collective excitation of the delocalized conduction electrons confined within the cluster volume [15]. The theory developed by G. Mie in 1908 [22], for spherical non-interacting nanoparticles of radius R embedded in a non-absorbing medium with dielectric constant s i (i.e. with a refractive index n = Sm ) gives the extinction cross-section a(o),R) in the dipolar approximation as ... [Pg.275]

FIGURE 2.1 Energy of the 0-0 vibrational transition in the principal electronic absorption spectrum of violaxanthin (l Ag-—>1 BU+), recorded in different organic solvents, versus the polarizability term, dependent on the refraction index of the solvent (n). The dashed line corresponds to the position of the absorption band for violaxanthin embedded into the liposomes formed with DMPC (Gruszecki and Sielewiesiuk, 1990) and the arrow corresponds to the polarizability term of the hydrophobic core of the membrane (n = 1.44). [Pg.20]

Diamond Hints, although not approaching bulk diamond, are harder than most refractory nitride and carbide thin films, which makes them attractive for tribological coatings. Transparency in the visible and infrared regions of the optical spectrum can be maintained and index-of-refraction values approaching that of bulk diamond have been measured. Electrical resistivities of diamond films have been produced within the full range of bulk diamond, and thermal conductivities equivalent to those of bulk diamond also have been achieved. As substrates for semiconductor electronic devices, diamond films can be produced by both the PACVD and IBRD techniques. [Pg.486]

Figure 6.1. Left. The Coma radio-halo spectrum. The power-law fit to the data at v < 1.4 GHz corresponds to an electron spectral index x = 3.5 (see text for details). Data compilation is taken from Thiearbach et al. 2002. Right. The Radio luminosity J1.4 - IC temperature T correlation for nearby radio-halo clusters (from Colafrancesco 1999 Colafrancesco Mele 2001). We show the best fit and la uncertainty region and the predictions of secondary models at z < 0.2 (solid line) and z > 0.2 (dashed line). Figure 6.1. Left. The Coma radio-halo spectrum. The power-law fit to the data at v < 1.4 GHz corresponds to an electron spectral index x = 3.5 (see text for details). Data compilation is taken from Thiearbach et al. 2002. Right. The Radio luminosity J1.4 - IC temperature T correlation for nearby radio-halo clusters (from Colafrancesco 1999 Colafrancesco Mele 2001). We show the best fit and la uncertainty region and the predictions of secondary models at z < 0.2 (solid line) and z > 0.2 (dashed line).

See other pages where INDEX electronic spectra is mentioned: [Pg.129]    [Pg.406]    [Pg.406]    [Pg.302]    [Pg.530]    [Pg.140]    [Pg.12]    [Pg.114]    [Pg.136]    [Pg.805]    [Pg.47]    [Pg.414]    [Pg.206]    [Pg.638]    [Pg.101]    [Pg.232]    [Pg.109]    [Pg.258]    [Pg.14]    [Pg.72]    [Pg.15]    [Pg.696]    [Pg.404]    [Pg.236]    [Pg.23]    [Pg.357]    [Pg.118]    [Pg.196]    [Pg.110]    [Pg.677]    [Pg.367]    [Pg.708]    [Pg.259]    [Pg.333]    [Pg.86]    [Pg.149]    [Pg.84]    [Pg.185]    [Pg.8]    [Pg.303]    [Pg.67]   
See also in sourсe #XX -- [ Pg.178 ]

See also in sourсe #XX -- [ Pg.59 , Pg.230 , Pg.234 ]




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INDEX Electronics

INDEX electrons

INDEX spectra

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