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Smolyaninov, I. I.; Zayats, A. V.; Stanishevsky, A.; Davis, C. C. |
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Title |
Optical control of photon tunneling through an array of nanometer-scale cylindrical channels |
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Year |
2002 |
Publication |
Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
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Volume |
66 |
Issue |
20 |
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205414_1-205414_5 |
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Keywords |
optical mixing |
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1098-0121 |
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499 |
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Su, M. Y.; Carter, S. G.; Sherwin, M. S. |
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Title |
Strong-field terahertz optical mixing in excitons |
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Journal Article |
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Year |
2003 |
Publication |
Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
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Volume |
67 |
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12 |
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optical mixing |
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1098-0121 |
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500 |
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Ciulin, V.; Carter, S. G.; Sherwin, M. S. |
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Title |
Terahertz optical mixing in biased GaAs single quantum wells |
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Journal Article |
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Year |
2004 |
Publication |
Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
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Volume |
70 |
Issue |
11 |
Pages |
115312-(1-6) |
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Keywords |
optical mixing |
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1098-0121 |
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501 |
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Il’in, K.S.; Ptitsina, N.G.; Sergeev, A.V.; Gol’tsman, G.N.; Gershenzon, E.M.; Karasik, B.S.; Pechen, E.V.; Krasnosvobodtsev, S.I. |
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Title |
Interrelation of resistivity and inelastic electron-phonon scattering rate in impure NbC films |
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Year |
1998 |
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Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
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57 |
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24 |
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15623-15628 |
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Keywords |
NbC films |
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A complex study of the electron-phonon interaction in thin NbC films with electron mean free path l=2–13nm gives strong evidence that electron scattering is significantly modified due to the interference between electron-phonon and elastic electron scattering from impurities. The interference T2 term, which is proportional to the residual resistivity, dominates over the Bloch-Grüneisen contribution to resistivity at low temperatures up to 60 K. The electron energy relaxation rate is directly measured via the relaxation of hot electrons heated by modulated electromagnetic radiation. In the temperature range 1.5–10 K the relaxation rate shows a weak dependence on the electron mean free path and strong temperature dependence ∼Tn, with the exponent n=2.5–3. This behavior is explained well by the theory of the electron-phonon-impurity interference taking into account the electron coupling with transverse phonons determined from the resistivity data. |
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0163-1829 |
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1585 |
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Bulaevskii, L. N.; Graf, M. J.; Batista, C. D.; Kogan, V. G. |
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Title |
Vortex-induced dissipation in narrow current-biased thin-film superconducting strips |
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Journal Article |
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Year |
2011 |
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Phys. Rev. B |
Abbreviated Journal |
Phys. Rev. B |
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83 |
Issue |
14 |
Pages |
9 |
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A vortex crossing a thin-film superconducting strip from one edge to the other, perpendicular to the bias current, is the dominant mechanism of dissipation for films of thickness d on the order of the coherence length ξ and of width w much narrower than the Pearl length Λâ‰<ab>wâ‰<ab>ξ. At high bias currents I*<I<Ic the heat released by the crossing of a single vortex suffices to create a belt-like normal-state region across the strip, resulting in a detectable voltage pulse. Here Ic is the critical current at which the energy barrier vanishes for a single vortex crossing. The belt forms along the vortex path and causes a transition of the entire strip into the normal state. We estimate I* to be roughly Ic/3. Furthermore, we argue that such “hot†vortex crossings are the origin of dark counts in photon detectors, which operate in the regime of metastable superconductivity at currents between I* and Ic. We estimate the rate of vortex crossings and compare it with recent experimental data for dark counts. For currents below I*, that is, in the stable superconducting but resistive regime, we estimate the amplitude and duration of voltage pulses induced by a single vortex crossing. |
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RPLAB @ gujma @ |
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