1984
DOI: 10.1002/andp.19844960411
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Bounds on the Ljapunov Exponent

Abstract: We present a pedagogical model where the strict positivity of the largest Ljapunov exponent is easily derivable and the exponent can be calculated explicitly. Further, we prove an inequality concerning the Ljapunov exponents of k-forms and compare the Ljapunov exponent of a one-dimensional Schrodinger operator, corresponding to a random substitutional alloy, with those of the attached periodic Hamiltonians, yielding a new characterization for the possible energy levels in this model. Schranken fur den Ljapunov… Show more

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Cited by 1 publication
(1 citation statement)
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“…Thereby, the key for a uniform treatment of (1), ( 8) and the discrete Schrodinger operator consists in the possibility of representing the solutions of all these models by transfer matrices (cf., e.g. [27]). If y satisfies H ω y = Ey as a differential equation then we have with the random transfer matrix T ω{n) e {T u T 2 } corresponding to the two types of potentials V t or V 2 , respectively.…”
Section: General Methodsmentioning
confidence: 99%
“…Thereby, the key for a uniform treatment of (1), ( 8) and the discrete Schrodinger operator consists in the possibility of representing the solutions of all these models by transfer matrices (cf., e.g. [27]). If y satisfies H ω y = Ey as a differential equation then we have with the random transfer matrix T ω{n) e {T u T 2 } corresponding to the two types of potentials V t or V 2 , respectively.…”
Section: General Methodsmentioning
confidence: 99%