We investigate an unconventional topological phase transition that occurs in
quantum spin Hall (QSH) systems when applying an external in-plane magnetic
field. We show that this transition between QSH and trivial insulator phases is
separated by a stable topological gapless phase, which is protected by the
combination of particle-hole and reflection symmetries, and thus, we dub it as
crystalline Weyl semimetal. We explore the stability of this new phase when
particle-hole symmetry breaking terms are present. Especially, we predict a
robust unconventional topological phase transition to be visible for materials
described by Kane and Mele model even if particle-hole symmetry is
significantly broken.
Description
[1905.10552] Crystalline Weyl semimetal phase in Quantum Spin Hall systems under magnetic fields
%0 Journal Article
%1 dominguez2019crystalline
%A Dominguez, Fernando
%A Scharf, Benedikt
%A Hankiewicz, Ewelina M.
%D 2022
%J SciPost Phys.
%K a
%P 024
%R 10.21468/SciPostPhysCore.5.2.024
%T Crystalline Weyl semimetal phase in quantum spin Hall systems under magnetic fields
%U https://scipost.org/10.21468/SciPostPhysCore.5.2.024
%V 5
%X We investigate an unconventional topological phase transition that occurs in
quantum spin Hall (QSH) systems when applying an external in-plane magnetic
field. We show that this transition between QSH and trivial insulator phases is
separated by a stable topological gapless phase, which is protected by the
combination of particle-hole and reflection symmetries, and thus, we dub it as
crystalline Weyl semimetal. We explore the stability of this new phase when
particle-hole symmetry breaking terms are present. Especially, we predict a
robust unconventional topological phase transition to be visible for materials
described by Kane and Mele model even if particle-hole symmetry is
significantly broken.
@article{dominguez2019crystalline,
abstract = {We investigate an unconventional topological phase transition that occurs in
quantum spin Hall (QSH) systems when applying an external in-plane magnetic
field. We show that this transition between QSH and trivial insulator phases is
separated by a stable topological gapless phase, which is protected by the
combination of particle-hole and reflection symmetries, and thus, we dub it as
crystalline Weyl semimetal. We explore the stability of this new phase when
particle-hole symmetry breaking terms are present. Especially, we predict a
robust unconventional topological phase transition to be visible for materials
described by Kane and Mele model even if particle-hole symmetry is
significantly broken.},
added-at = {2019-08-19T09:18:38.000+0200},
author = {Dominguez, Fernando and Scharf, Benedikt and Hankiewicz, Ewelina M.},
biburl = {https://www.bibsonomy.org/bibtex/28ddeef58ba4ba27847dbdaa28ccf0a49/ctqmat},
day = 28,
description = {[1905.10552] Crystalline Weyl semimetal phase in Quantum Spin Hall systems under magnetic fields},
doi = {10.21468/SciPostPhysCore.5.2.024},
interhash = {dc0ffcd80f7550ce5bb0c9e498e6c77a},
intrahash = {8ddeef58ba4ba27847dbdaa28ccf0a49},
journal = {SciPost Phys.},
keywords = {a},
month = {04},
pages = 024,
timestamp = {2023-10-31T12:31:47.000+0100},
title = {Crystalline Weyl semimetal phase in quantum spin Hall systems under magnetic fields},
url = {https://scipost.org/10.21468/SciPostPhysCore.5.2.024},
volume = 5,
year = 2022
}