Multidimensional periodic Schrödinger operator [electronic resource] : perturbation theory and applications / Oktay Veliev.

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Multidimensional periodic Schrödinger operator [electronic resource] : perturbation theory and applications / Oktay Veliev.

9783319166438 electronic book
3319166433 electronic book
9783319166421

Cham : Springer, 2015.

English

1 online resource (x, 242 pages).

10.1007/978-3-319-16643-8 doi

QC174.17.S3

530.12/4

The book describes the direct problems and the inverse problem of the multidimensional Schrödinger operator with a periodic potential. This concerns perturbation theory and constructive determination of the spectral invariants and finding the periodic potential from the given Bloch eigenvalues. The unique method of this book derives the asymptotic formulas for Bloch eigenvalues and Bloch functions for arbitrary dimension. Moreover, the measure of the iso-energetic surfaces in the high energy region is construct and estimated. It implies the validity of the Bethe-Sommerfeld conjecture for arbitrary dimensions and arbitrary lattices. Using the perturbation theory constructed in this book, the spectral invariants of the multidimensional operator from the given Bloch eigenvalues are determined. Some of these invariants are explicitly expressed by the Fourier coefficients of the potential. This way the possibility to determine the potential constructively by using Bloch eigenvalues as input data is given. In the end an algorithm for the unique determination of the potential is given.

Includes bibliographical references and index.

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Online resource; title from PDF title page (SpringerLink, viewed April 3, 2015).

Springer tracts in modern physics ; volume 263.

Print version: 9783319166421

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