Discovery of a Weyl fermion semimetal and topological Fermi arcs

Su-Yang Xu; Ilya Belopolski; Nasser Alidoust; Madhab Neupane; Guang Bian; Chenglong Zhang; Raman Sankar; Guoqing Chang; Zhujun Yuan; Chi-Cheng Lee; Shin-Ming Huang; Hao Zheng; Jie Ma; Daniel S. Sanchez; BaoKai Wang; Arun Bansil; Fangcheng Chou; Pavel P. Shibayev; Hsin Lin; Shuang Jia; M. Zahid Hasan

doi:10.1126/science.aaa9297

Research Article

Discovery of a Weyl fermion semimetal and topological Fermi arcs

Su-Yang Xu¹,²,*,
Ilya Belopolski¹,*,
Nasser Alidoust¹,²,*,
Madhab Neupane¹,³,*,
Guang Bian¹,
Chenglong Zhang⁴,
Raman Sankar⁵,
Guoqing Chang⁶,⁷,
Zhujun Yuan⁴,
Chi-Cheng Lee⁶,⁷,
Shin-Ming Huang⁶,⁷,
Hao Zheng¹,
Jie Ma⁸,
Daniel S. Sanchez¹,
BaoKai Wang⁶,⁷,⁹,
Arun Bansil⁹,
Fangcheng Chou⁵,
Pavel P. Shibayev¹,¹⁰,
Hsin Lin⁶,⁷,
Shuang Jia⁴,¹¹,
M. Zahid Hasan¹,²,†

¹Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.
²Princeton Center for Complex Materials, Princeton Institute for Science and Technology of Materials, Princeton University, Princeton, NJ 08544, USA.
³Condensed Matter and Magnet Science Group, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
⁴International Center for Quantum Materials, School of Physics, Peking University, China.
⁵Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan.
⁶Centre for Advanced 2D Materials and Graphene Research Centre National University of Singapore, 6 Science Drive 2, Singapore 117546.
⁷Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542.
⁸Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
⁹Department of Physics, Northeastern University, Boston, MA 02115, USA.
¹⁰Princeton Institute for Science and Technology of Materials, Princeton University, Princeton, NJ 08544, USA.
¹¹Collaborative Innovation Center of Quantum Matter, Beijing, 100871, China.

↵†Corresponding author. E-mail: mzhasan{at}princeton.edu

↵* These authors contributed equally to this work.

See allHide authors and affiliations

Science 07 Aug 2015:
Vol. 349, Issue 6248, pp. 613-617
DOI: 10.1126/science.aaa9297

Su-Yang Xu

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.Princeton Center for Complex Materials, Princeton Institute for Science and Technology of Materials, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Ilya Belopolski

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Nasser Alidoust

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Madhab Neupane

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.Condensed Matter and Magnet Science Group, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Guang Bian

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Chenglong Zhang

International Center for Quantum Materials, School of Physics, Peking University, China.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Raman Sankar

Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Guoqing Chang

Centre for Advanced 2D Materials and Graphene Research Centre National University of Singapore, 6 Science Drive 2, Singapore 117546.Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Zhujun Yuan

International Center for Quantum Materials, School of Physics, Peking University, China.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Chi-Cheng Lee

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Shin-Ming Huang

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Hao Zheng

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Jie Ma

Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Daniel S. Sanchez

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

BaoKai Wang

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Arun Bansil

Department of Physics, Northeastern University, Boston, MA 02115, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Fangcheng Chou

Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Pavel P. Shibayev

Laboratory for Topological Quantum Matter and Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ 08544, USA.Princeton Institute for Science and Technology of Materials, Princeton University, Princeton, NJ 08544, USA.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Hsin Lin

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

Shuang Jia

International Center for Quantum Materials, School of Physics, Peking University, China.Collaborative Innovation Center of Quantum Matter, Beijing, 100871, China.

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site

M. Zahid Hasan

Find this author on Google Scholar
Find this author on PubMed
Search for this author on this site
For correspondence: mzhasan@princeton.edu

Article
Figures & Data
Info & Metrics
eLetters
PDF

eLetters is an online forum for ongoing peer review. Submission of eLetters are open to all. eLetters are not edited, proofread, or indexed. Please read our Terms of Service before submitting your own eLetter.

Submit a Response to This Article

Compose eLetter

Title

Contents

More information about text formats

Plain text

Plain text
No HTML tags allowed.
Web page addresses and e-mail addresses turn into links automatically.
Lines and paragraphs break automatically.

Author Information

Contributors
First name and middle name First or given name, e.g. 'Peter'. Last Name Your last, or family, name, e.g. 'MacMoody'. Email Your email address, e.g. higgs-boson@gmail.com Role / Occupation Your role and/or occupation, e.g. 'Orthopedic Surgeon'. Affiliation Your organization or institution (if applicable), e.g. 'Royal Free Hospital'.

Statement of Competing Interests

Competing interests?

Yes

Please describe the competing interests

CAPTCHA

This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

What code is in the image? Enter the characters shown in the image.

Vertical Tabs

No eLetters have been published for this article.

View Full Text

Angle-resolved photoemission is used to detect the topological surface states and bulk dispersion of the compound tantalum arsenide. [Also see Report by Lu et al.]

Discovery of a Weyl fermion semimetal and topological Fermi arcs

Plain text

Vertical Tabs

Science

Article Tools