Kumar, N. ; Jayannavar, A. M. (1985) Quantum diffusion in thin disordered wires Physical Review B, 32 (5). pp. 3345-3347. ISSN 0163-1829
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Official URL: http://link.aps.org/doi/10.1103/PhysRevB.32.3345
Related URL: http://dx.doi.org/10.1103/PhysRevB.32.3345
Abstract
Quantum Ohmic residual resistance of a thin disordered wire, approximated as a one-dimensional multichannel conductor, is known to scale exponentially with length. This nonadditivity is shown to imply (i) a low-frequency noise-power spectrum proportional to -ln(Ω)/Ω, and (ii) a dispersive capacitative impedance proportional to tanh(√iΩ )/ √iΩ. A deep connection to the quantum Brownian motion with linear dynamical frictional coupling to a harmonic-oscillator bath is pointed out and interpreted in physical terms.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 14535 |
| Deposited On: | 12 Nov 2010 14:06 |
| Last Modified: | 03 Jun 2011 12:12 |
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