Active Transmission Channels and Universal Conductance Fluctuations
作者： Y Imry
DOI: 10.1209/0295-5075/1/5/008
关键词: Random matrix 、 Universality (dynamical systems) 、 Statistical physics 、 Electrical resistivity and conductivity 、 Spectral line 、 Eigenvalues and eigenvectors 、 Universal conductance fluctuations 、 Physics 、 Conductance 、 Transmission channel
摘要: The transport through a segment of disordered system is determined by the eigenvalues large random matrix. effectively independent active transmission channels are associated with these which closest to unity. A decreasing number those survives when system's length increases. They determine conductance and its fluctuations, found be independent, within broad limits, size, disorder nature system. This universality due strong correlations in spectra matrices, providing new insight on generalizing extremely interesting recent results Altschuler, Lee Stone.
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