portada Non-Bloch Band Theory of Non-Hermitian Systems (en Inglés)

Non-Bloch Band Theory of Non-Hermitian Systems (en Inglés)

Formato

Libro Físico

Autor

Kazuki Yokomizo

Editorial

Springer

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

23.4x15.6x0.6 cm

Peso

0.16 kg.

ISBN13

9789811918605

Categorías

Física de la materia condensada (física del estado líquido y del estado sólido)
Física matemática
Ciencia de materiales

Non-Bloch Band Theory of Non-Hermitian Systems (en Inglés)

Kazuki Yokomizo (Autor) · Springer · Tapa Blanda

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Reseña del libro "Non-Bloch Band Theory of Non-Hermitian Systems (en Inglés)"

This book constructs a non-Bloch band theory and studies physics described by non-Hermitian Hamiltonian in terms of the theory proposed here.In non-Hermitian crystals, the author introduces the non-Bloch band theory which produces an energy spectrum in the limit of a large system size. The energy spectrum is then calculated from a generalized Brillouin zone for a complex Bloch wave number. While a generalized Brillouin zone becomes a unit circle on a complex plane in Hermitian systems, it becomes a circle with cusps in non-Hermitian systems. Such unique features of the generalized Brillouin zone realize remarkable phenomena peculiar in non-Hermitian systems. Further the author reveals rich aspects of non-Hermitian physics in terms of the non-Bloch band theory. First, a topological invariant defined by a generalized Brillouin zone implies the appearance of topological edge states. Second, a topological semimetal phase with exceptional points appears, The topological semimetal phase is unique to non-Hermitian systems because it is caused by the deformation of the generalized Brillouin zone by changes of system parameters. Third, the author reveals a certain relationship between the non-Bloch waves and non-Hermitian topology.