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Title: Coherent forward scattering as a signature of Anderson metal-insulator transitions
Authors: Ghosh, Sanjib
Miniatura, Christian
Cherroret, Nicolas
Delande, Dominique
Keywords: Anderson metal-insulator transition
Coherent scattering
Issue Date: 2017
Source: Ghosh, S., Miniatura, C., Cherroret, N., & Delande, D. (2017). Coherent forward scattering as a signature of Anderson metal-insulator transitions. Physical Review A, 95(4), 041602-.
Series/Report no.: Physical Review A
Abstract: We show that the coherent forward scattering (CFS) interference peak amplitude sharply jumps from zero to a finite value upon crossing a metal-insulator transition. Extensive numerical simulations reveal that the CFS peak contrast obeys the one-parameter scaling hypothesis and gives access to the critical exponents of the transition. We also discover that the critical CFS peak directly controls the spectral compressibility at the transition where eigenfunctions are multifractal, and we demonstrate the universality of this property with respect to various types of disorder.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.95.041602
Schools: School of Physical and Mathematical Sciences 
Rights: © 2017 American Physical Society (APS). This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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