2005
DOI: 10.1103/physrevb.71.045421
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Ultraviolet probing of quantum crossbars

Abstract: Ultraviolet (UV) scattering on quantum crossbars (QCB) is an effective tool for probing QCB spectral properties, leading to excitation of QCB plasmon(s). Experimentally, such a process corresponds to sharp peaks in the frequency dependence of the differential scattering cross section. The peak frequency strongly depends on the direction of the scattered light. As a result, 1D → 2D crossover can be observed in the scattering spectrum. It manifests itself as a splitting of single lines into multiplets (mostly do… Show more

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Cited by 4 publications
(6 citation statements)
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“…2). In order to obtain the optical conductivity in the infrared region we used a variational routine 26 yielding the Kramers-Kronig consistent dielectric function which reproduces all the fine details of the infrared reflectivity data while simultaneously fitting to the complex dielectric function in the visible and UV-range. Fig.…”
Section: Techniquesmentioning
confidence: 99%
“…2). In order to obtain the optical conductivity in the infrared region we used a variational routine 26 yielding the Kramers-Kronig consistent dielectric function which reproduces all the fine details of the infrared reflectivity data while simultaneously fitting to the complex dielectric function in the visible and UV-range. Fig.…”
Section: Techniquesmentioning
confidence: 99%
“…In such systems, not only the ordinary spin Kondo effect [15,16] but also the orbital Kondo effect due to the interplay between orbital and spin degrees of freedom occurs; the Kondo effect in multiple-dot systems [17,18,19,20,21,22,23,24,25,26], the singlet-triplet Kondo effect [27,28,29,30], and the SU(4) Kondo effect in single-dot systems [31,32,33,34,35].…”
Section: Introductionmentioning
confidence: 99%
“…In order to obtain the optical conductivity over the full spectral range (Fig. 2c), we used a variational routine 19 yielding the Kramers-Kronig consistent dielectric function that reproduces all the fine details of the infrared reflectivity data while simultaneously fitting to the complex dielectric function in the visible and UV-range. This procedure anchors the phase of the infrared reflectivity to the phase at high energies.…”
Section: Resultsmentioning
confidence: 99%