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Topological states on interfaces pro...

Takahashi, Ryuji.

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Topological states on interfaces protected by symmetry

Record Type:	Electronic resources : Monograph/item
Title/Author:	Topological states on interfaces protected by symmetry/ by Ryuji Takahashi.
Author:	Takahashi, Ryuji.
Published:	Tokyo :Springer Japan : : 2015.,
Description:	xii, 90 p. :ill., digital ;24 cm.
[NT 15003449]:	Introduction -- Topological Invariant and topological Phases -- Gapless Interface States between Two Topological Insulators -- Weyl Semimetals in a Thin Topological Insulator -- Summary and outlook -- Properties of the Chern numbers -- Calculation for the interface Fermi loops.
Contained By:	Springer eBooks
Subject:	Interfaces (Physical sciences) -
Online resource:	http://dx.doi.org/10.1007/978-4-431-55534-6
ISBN:	9784431555346 (electronic bk.)

Topological states on interfaces protected by symmetry
Takahashi, Ryuji.

Topological states on interfaces protected by symmetry[electronic resource] /by Ryuji Takahashi. - Tokyo :Springer Japan :2015. - xii, 90 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Topological Invariant and topological Phases -- Gapless Interface States between Two Topological Insulators -- Weyl Semimetals in a Thin Topological Insulator -- Summary and outlook -- Properties of the Chern numbers -- Calculation for the interface Fermi loops.

In this book, the author theoretically studies two aspects of topological states. First, novel states arising from hybridizing surface states of topological insulators are theoretically introduced. As a remarkable example, the author shows the existence of gapless interface states at the interface between two different topological insulators, which belong to the same topological phase. While such interface states are usually gapped due to hybridization, the author proves that the interface states are in fact gapless when the two topological insulators have opposite chiralities. This is the first time that gapless topological novel interface states protected by mirror symmetry have been proposed. Second, the author studies the Weyl semimetal phase in thin topological insulators subjected to a magnetic field. This Weyl semimetal phase possesses edge states showing abnormal dispersion, which is not observed without mirror symmetry. The author explains that the edge states gain a finite velocity by a particular form of inversion symmetry breaking, which makes it possible to observe the phenomenon by means of electric conductivity.

ISBN: 9784431555346 (electronic bk.)

Standard No.: 10.1007/978-4-431-55534-6doiSubjects--Topical Terms:

601059
Interfaces (Physical sciences)

LC Class. No.: QC173.4.I57

Dewey Class. No.: 530.417

Topological states on interfaces protected by symmetry
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100 1 $a Takahashi, Ryuji. $3 2145944
245 1 0 $a Topological states on interfaces protected by symmetry $h [electronic resource] / $c by Ryuji Takahashi.
260 $a Tokyo : $b Springer Japan : $b Imprint: Springer, $c 2015.
300 $a xii, 90 p. : $b ill., digital ; $c 24 cm.
490 1 $a Springer theses, $x 2190-5053
505 0 $a Introduction -- Topological Invariant and topological Phases -- Gapless Interface States between Two Topological Insulators -- Weyl Semimetals in a Thin Topological Insulator -- Summary and outlook -- Properties of the Chern numbers -- Calculation for the interface Fermi loops.
520 $a In this book, the author theoretically studies two aspects of topological states. First, novel states arising from hybridizing surface states of topological insulators are theoretically introduced. As a remarkable example, the author shows the existence of gapless interface states at the interface between two different topological insulators, which belong to the same topological phase. While such interface states are usually gapped due to hybridization, the author proves that the interface states are in fact gapless when the two topological insulators have opposite chiralities. This is the first time that gapless topological novel interface states protected by mirror symmetry have been proposed. Second, the author studies the Weyl semimetal phase in thin topological insulators subjected to a magnetic field. This Weyl semimetal phase possesses edge states showing abnormal dispersion, which is not observed without mirror symmetry. The author explains that the edge states gain a finite velocity by a particular form of inversion symmetry breaking, which makes it possible to observe the phenomenon by means of electric conductivity.
650 0 $a Interfaces (Physical sciences) $3 601059
650 0 $a Symmetry (Physics) $3 532077
650 0 $a Topological dynamics. $3 621854
650 1 4 $a Physics. $3 516296
650 2 4 $a Phase Transitions and Multiphase Systems. $3 1066389
650 2 4 $a Strongly Correlated Systems, Superconductivity. $3 1067082
650 2 4 $a Surfaces and Interfaces, Thin Films. $3 892408
650 2 4 $a Solid State Physics. $3 1066374
650 2 4 $a Surface and Interface Science, Thin Films. $3 1244633
710 2 $a SpringerLink (Online service) $3 836513
773 0 $t Springer eBooks
830 0 $a Springer theses. $3 1314442
856 4 0 $u http://dx.doi.org/10.1007/978-4-431-55534-6
950 $a Physics and Astronomy (Springer-11651)