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dc.contributor.author
Xu, Nan
dc.contributor.author
Weng, Hongming
dc.contributor.author
Lv, B.Q.
dc.contributor.author
Matt, Christian E.
dc.contributor.author
Park, Jihwey
dc.contributor.author
Bisti, Federico
dc.contributor.author
Strocov, Vladimir N.
dc.contributor.author
Gawryluk, Dariusz
dc.contributor.author
Pomjakushina, Ekaterina
dc.contributor.author
Conder, Kazimierz
dc.contributor.author
Plumb, Nicholas C.
dc.contributor.author
Radović, Milan
dc.contributor.author
Autès, Gabriel
dc.contributor.author
Yazyev, Oleg V.
dc.contributor.author
Fang, Z.
dc.contributor.author
Dai, X.
dc.contributor.author
Qian, T.
dc.contributor.author
Mesot, Joël
dc.contributor.author
Ding, H.
dc.contributor.author
Shi, M.
dc.date.accessioned
2018-09-06T14:59:47Z
dc.date.available
2017-06-12T03:19:09Z
dc.date.available
2018-09-06T14:59:47Z
dc.date.issued
2016
dc.identifier.other
10.1038/ncomms11006
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/114600
dc.identifier.doi
10.3929/ethz-b-000114600
dc.description.abstract
A Weyl semimetal possesses spin-polarized band-crossings, called Weyl nodes, connected by topological surface arcs. The low-energy excitations near the crossing points behave the same as massless Weyl fermions, leading to exotic properties like chiral anomaly. To have the transport properties dominated by Weyl fermions, Weyl nodes need to locate nearly at the chemical potential and enclosed by pairs of individual Fermi surfaces with non-zero Fermi Chern numbers. Combining angle-resolved photoemission spectroscopy and first-principles calculation, here we show that TaP is a Weyl semimetal with only a single type of Weyl fermions, topologically distinguished from TaAs where two types of Weyl fermions contribute to the low-energy physical properties. The simple Weyl fermions in TaP are not only of fundamental interests but also of great potential for future applications. Fermi arcs on the Ta-terminated surface are observed, which appear in a different pattern from that on the As-termination in TaAs and NbAs.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Nature Publishing Group
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Observation of Weyl nodes and Fermi arcs in tantalum phosphide
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2016-03-17
ethz.journal.title
Nature Communications
ethz.journal.volume
7
en_US
ethz.pages.start
11006
en_US
ethz.size
7 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.nebis
007044158
ethz.publication.place
London
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02505 - Laboratorium für Festkörperphysik / Laboratory for Solid State Physics::03768 - Mesot, Joël François / Mesot, Joël François
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02505 - Laboratorium für Festkörperphysik / Laboratory for Solid State Physics::03768 - Mesot, Joël François / Mesot, Joël François
ethz.date.deposited
2017-06-12T03:21:20Z
ethz.source
ECIT
ethz.identifier.importid
imp593654420426e69040
ethz.ecitpid
pub:176397
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-15T05:22:17Z
ethz.rosetta.lastUpdated
2018-09-06T14:59:51Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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