By Tobias Brandes, Stefan Kettemann

ISBN-10: 3540407855

ISBN-13: 9783540407850

The phenomenon of localization of the digital wave functionality in a random medium should be considered as the major manifestation of quantum coherence in a condensed topic procedure. As the most awesome phenomena in condensed topic physics stumbled on within the twentieth century, the localization challenge is an imperative a part of the speculation of the quantum corridor results and competitors superconductivity in its value as a manifestation of quantum coherence at a macroscopic scale. the current quantity, written through a few of the prime specialists within the box, is meant to focus on many of the contemporary development within the box of localization, with specific emphasis at the impact of interactions on quantum coherence. The chapters are written in textbook type and will function a competent and thorough advent for complicated scholars or researchers already operating within the box of mesoscopic physics.

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Additional info for Anderson Localization and Its Ramifications: Disorder, Phase Coherence, and Electron Correlations

Sample text

Right: The unambiguous dependence var g vs g in the critical region of the metal-insulator transition. This agrees with the single parameter scaling theory percentile gα is defined as gα P (g)dg. α= (4) 0 Owing to (4), the probability to find g < gα equals to α. Of course, the percentile gα is a function of disorder and system size: gα = gα (L, W ). Single parameter scaling of percentiles has been proved for several values of α [34]. Suppose that gα and gβ (α < β) obey the single parameter scaling.

These results can not be applied to three dimensional (3D) systems ( = 1) where g ∼ 1 [27]. Numerical simulations are therefore crucial in 3D systems. The first systematic numerical analysis of the conductance statistics in 3D was done in [27] and was followed by a series of papers [28–34]. In 2D systems, the critical conductance distribution was numerically studied in the regime of the quantum Hall effect [35] and in systems with the spin-orbit interaction [28,36,37]. This paper reviews our recent numerical data for the conductance distribution.

Phys. (Leipzig) 8, 655 (1999) 7. K. Slevin, P. MarKo˘s, and T. Ohtsuki: Phys. Rev. Lett. 86, 3597 (2001) 8. A. Kawabata: Prog. Theor. Phys. Suppl. No. 84, 16 (1985) 9. S. Neal: Phys. Rev. Lett. 16, 984 (1966) 10. G. Bergmann: Phys. Rep. 107, 1 (1984) 11. Y. Nagaoka: Prog. Theor. Phys. Suppl. No. 84, 1 (1985) 12. J. Wegner: Nucl. Phys. B 316, 663 (1989) On the Critical Exponent of the Anderson Transition 51 13. S. Hikami: Proc. Low Dimensional Field Theories and Condensed Matter Physics, 4th Yukawa International Seminar, 1991 Kyoto, Prog.

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Anderson Localization and Its Ramifications: Disorder, Phase Coherence, and Electron Correlations by Tobias Brandes, Stefan Kettemann


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