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Shytov, A. V.; Levitov, L. S.; Beenakker, C. W. J. |
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Title |
Electromechanical noise in a diffusive conductor |
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Year |
2002 |
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Phys. Rev. Lett. |
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Phys. Rev. Lett. |
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88 |
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22 |
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Electrons moving in a conductor can transfer momentum to the lattice via collisions with impurities and boundaries, giving rise to a fluctuating mechanical stress tensor. The root-mean-squared momentum transfer per scattering event in a disordered metal (of dimension L greater than the mean free path l and screening length xi) is found to be reduced below the Fermi momentum by a factor of order l/L for shear fluctuations and (xi/L)^2 for pressure fluctuations. The excitation of an elastic bending mode by the shear fluctuations is estimated to fall within current experimental sensitivity for a nanomechanical oscillator. |
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0031-9007 |
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433 |
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Palermo, C.; Varani, L.; Vaissière, J.-C.; Millithaler, J.-F.; Starikov, E.; Shiktorov, P.; Gruzinskis, V.; Azaïs, B. |
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Monte Carlo calculation of diffusion coefficient, noise spectral density and noise temperature in HgCdTe |
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Conference Article |
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2005 |
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Proc. AIP Conf. |
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780 |
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151-154 |
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Gol'tsman, G. N.; Loudkov, D. N. |
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Title |
Terahertz superconducting hot-electron bolometer mixers and their application in radio astronomy |
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Journal Article |
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2003 |
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Radiophys. Quant. Electron. |
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46 |
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8/9 |
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604-617 |
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NbN HEB mixers |
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We review the latest developments, research, and radioastronomy applications of hot-electron bolometer (HEB) mixers operated in the terahertz waveband. The physical principles of operation of terahertz HEB mixers are presented, their manufacturing from ultrathin NbN films, the main HEB-mixer parameters and their measurement techniques are discussed, and practical terahertz radioastronomy projects based on heterodyne receivers with HEB mixers are considered. |
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0033-8443 |
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UDC 537.312.62 |
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472 |
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Colombelli, R |
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FIR quantum cascade lasers at λ>20 μm and THz emitters at λ=80 μm |
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2002 |
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Phys. E: Low-dimensional Systems and Nanostructures |
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13 |
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2-4 |
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848-853 |
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1386-9477 |
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483 |
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Matsushima, F.; Odashima, H.; Iwasaki, T.; Tsunekawa, S.; Takagi, K. |
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Frequency measurement of pure rotational transitions of H2O from 0.5 to 5 THz |
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1994 |
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Conference on precision electromagnetic measurements digest |
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23-24 |
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Frequencies of H2O pure rotational transitions from 0.5 to 5 THz have been measured with an accuracy of one part in 109 using a tunable far-infrared spectrometer. Measured frequencies of more than a hundred spectral lines provide an excellent wavelength and frequency calibration standard for the far infrared. |
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487 |
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