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Content archived on 2024-06-18

A Mathematical Study of Electronic Transport in Aperiodic Media

Objective

We aim to obtain a rigorous mathematical description of transport and conductivity properties in aperiodic structures exhibiting a long-range geometric order with or without an additional energetic (stochastic) disorder. In a first stage we aim to show that dynamical localization and pure point spectrum for Delone operators modelling aperiodic media is a typical feature in the space of all Delone operators in a sense to be defined, that is expected to be stronger than generic. We aim at exploring the universality of localization in geometrically disordered systems.
In the process, we will develop a topological version of the Multiscale Analysis, and we will
strive to isolate the geometric properties of the Delone sets for which the associated operators exhibit pure point spectrum. Next, we proceed to derive rigorously the linear response theory and Kubo formula in order to compute conductivities in disordered aperiodic systems, in both the single-particle as the N-particle case. For the latter, we aim at showing the existence of conductivity measures and the vanishing of dc-conductivity at zero temperature. To obtain rigorous
results on conductivity properties we will make use of tools from the theory of Delone dynamical systems, plus the latest developments in techniques to prove localization in the theory of random Schrödinger operators.

Fields of science (EuroSciVoc)

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Topic(s)

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Call for proposal

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FP7-PEOPLE-2012-IEF
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Funding Scheme

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MC-IEF - Intra-European Fellowships (IEF)

Coordinator

LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN
EU contribution
€ 168 794,40
Address
GESCHWISTER SCHOLL PLATZ 1
80539 MUNCHEN
Germany

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Region
Bayern Oberbayern München, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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