Scaling of the conductance distribution near the Anderson transition
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چکیده
منابع مشابه
Conductance fluctuations near Anderson transition
In this paper we report measurements of conductance fluctuations in single crystal samples of Si doped with P and B close to the critical composition of the metal insulator transition (nc ≈ 4 × 10 cm). The measurements show that the noise, which arises from bulk sources, does not diverge as the Ioffe-Regal limit (kF l → 1) is approached from the metallic side. At room temperatures, the magnitud...
متن کاملDisorder screening near the Mott–Anderson transition
Correlation-driven screening of disorder is studied within the typical-medium dynamical mean-field theory (TMT–DMFT) of the Mott–Anderson transition. In the strongly correlated regime, the site energies eR characterizing the effective disorder potential are strongly renormalized due to the phenomenon of Kondo pinning. This effect produces very strong screening when the interaction U is stronger...
متن کاملNumerical investigations of scaling at the Anderson transition
At low temperature T , a significant difference between the behavior of crystals on the one hand and disordered solids on the other is seen: sufficiently strong disorder can give rise to a transition of the transport properties from conducting behavior with finite resistance R to insulating behavior with R = ∞ as T → 0 as was pointed out by Anderson in 1958 [1]. This phenomenon is called the di...
متن کاملScaling behavior of an Anderson impurity close to the Mott-Anderson transition
M. C. O. Aguiar,1 V. Dobrosavljević,2 E. Abrahams,1 and G. Kotliar1 1Center for Materials Theory, Serin Physics Laboratory, Rutgers University, 136 Frelinghuysen Road, Piscataway, New Jersey 08854, USA 2Department of Physics and National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306, USA Received 26 September 2005; revised manuscript received 13 February 2...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2003
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.67.155106