Continuum of extended states in the spectrum of a one-dimensional random potential

Details Continuum of extended states in the spectrum of a one-dimensional random potential Continuum of extended states in the spectrum of a one-dimensional random potential

2005-10-27

arxiv.org/abs/cond-mat/0510729v1

Phys. Rev. B 72, 193312 (2005)

Physics

Condensed Matter

Disordered Systems and Neural Networks

revtex, 4 pages, 6 figures (3 color) Accepted in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.72.193312

We describe a one-dimensional disordered system, based on the Poschl-Teller
potential, that exhibits a continuum of extended states which is independent of
the random or correlated character of the sequence and of the length of the
system. The delocalization of the electronic states occurs in the whole
positive spectrum where the system shows a perfect transmission.

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