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Relation between conductivity and transmission matrix

Fisher, Daniel S., Lee, Patrick A.·1981·Physical Review B

Abstract

The dc conductance $\ensuremath{\Gamma}$ of a finite system with static disorder is related to its transmission matrix $t$ by the simple relation $\ensuremath{\Gamma}=(\frac{{e}^{2}}{2\ensuremath{\pi}\ensuremath{\hbar}}) \mathrm{Tr}({t}^{\ifmmode\dagger\else\textdagger\fi{}}t)$. This relation is derived from the Kubo formula and is valid for any number of scattering channels with or without time-reversal symmetry. Differences between various definitions of the conductance of a finite system are discussed.

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Metadata

Authors
Fisher, D. S., & Lee, P. A.
Venue
Physical Review B
Published
1981-06-15
Volume
23
Issue
12
Pages
6851-6854
ISSN
0163-1829 (ISSN-L)
OpenAlex
W2121023772
Cited by
1,774
References
0
FWCI
2.29
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Relation between conductivity and transmission matrix. https://app.cochat.ai/papers/10.1103/physrevb.23.6851
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Fisher, D. S., & Lee, P. A. (1981). Relation between conductivity and transmission matrix. Physical Review B. https://doi.org/10.1103/physrevb.23.6851

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