98 Result(s)

Article

Orbital-selective charge-density wave in TaTe₄

TaTe₄, a metallic charge-density wave (CDW) material discovered decades ago, has attracted renewed attention due to its rich interesting properties, such as pressure-induced superconductivity and candidate nontri...

R. Z. Xu, X. Du, J. S. Zhou, X. Gu, Q. Q. Zhang, Y. D. Li… in npj Quantum Materials (2023)

Article

Direct observation of the spin–orbit coupling effect in magnetic Weyl semimetal Co₃Sn₂S₂

The spin–orbit coupling (SOC) lifts the band degeneracy that plays a vital role in the search for different topological states, such as topological insulators (TIs) and topological semimetals (TSMs). In TSMs, ...

D. F. Liu, E. K. Liu, Q. N. Xu, J. L. Shen, Y. W. Li, D. Pei… in npj Quantum Materials (2022)

Article

Band-selective Holstein polaron in Luttinger liquid material A_0.3MoO₃ (A = K, Rb)

(Quasi-)one-dimensional systems exhibit various fascinating properties such as Luttinger liquid behavior, Peierls transition, novel topological phases, and the accommodation of unique quasiparticles (e.g., spi...

L. Kang, X. Du, J. S. Zhou, X. Gu, Y. J. Chen, R. Z. Xu… in Nature Communications (2021)

Article

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS₂

Topological superconductors (TSCs) are unconventional superconductors with bulk superconducting gap and in-gap Majorana states on the boundary that may be used as topological qubits for quantum computation. De...

Y. W. Li, H. J. Zheng, Y. Q. Fang, D. Q. Zhang, Y. J. Chen… in Nature Communications (2021)

Article

Topological Lifshitz transitions and Fermi arc manipulation in Weyl semimetal NbAs

Surface Fermi arcs (SFAs), the unique open Fermi-surfaces (FSs) discovered recently in topological Weyl semimetals (TWSs), are unlike closed FSs in conventional materials and can give rise to many exotic pheno...

H. F. Yang, L. X. Yang, Z. K. Liu, Y. Sun, C. Chen, H. Peng… in Nature Communications (2019)

Article

Electrically reversible cracks in an intermetallic film controlled by an electric field

Cracks in solid-state materials are typically irreversible. Here we report electrically reversible opening and closing of nanoscale cracks in an intermetallic thin film grown on a ferroelectric substrate drive...

Z. Q. Liu, J. H. Liu, M. D. Biegalski, J.-M. Hu, S. L. Shang… in Nature Communications (2018)

Article

Signature of type-II Weyl semimetal phase in MoTe₂

Topological Weyl semimetal (TWS), a new state of quantum matter, has sparked enormous research interest recently. Possessing unique Weyl fermions in the bulk and Fermi arcs on the surface, TWSs offer a rare pl...

J. Jiang, Z.K. Liu, Y. Sun, H.F. Yang, C.R. Rajamathi, Y.P. Qi… in Nature Communications (2017)

Article

Pressure drop of two-phase helium along long cryogenic flexible transfer lines to support a superconducting RF operation at its cryogenic test stand

Establishing a stand-alone cryogenic test stand is of vital importance to ensure the highly reliable and available operation of superconducting radio-frequency module in a synchrotron light source. Operating a...

M. H. Chang, M. H. Tsai, Ch. Wang, M. C. Lin, F. T. Chung, M. S. Yeh… in SpringerPlus (2016)

Article

Observation of unusual topological surface states in half-Heusler compounds LnPtBi (Ln=Lu, Y)

Topological quantum materials represent a new class of matter with both exotic physical phenomena and novel application potentials. Many Heusler compounds, which exhibit rich emergent properties such as unusua...

Z. K. Liu, L. X. Yang, S.-C. Wu, C. Shekhar, J. Jiang, H. F. Yang… in Nature Communications (2016)

Article

Abnormal correlation between phase transformation and cooling rate for pure metals

This work aims to achieve deep insight into the phenomenon of phase transformation upon rapid cooling in metal systems and reveal the physical meaning of scatter in the time taken to reach crystallization. The...

J. J. Han, C. P. Wang, X. J. Liu, Y. Wang, Z.-K. Liu, T.-Y. Zhang… in Scientific Reports (2016)

Article

Erratum: Weyl semimetal phase in the non-centrosymmetric compound TaAs

Nature Physics 11, 728–732 (2015); published online 17 August 2015; corrected after print 3 September 2015. In the version of this Letter originally published a description of arc-like Fermi surfaces in the ab...

L. X. Yang, Z. K. Liu, Y. Sun, H. Peng, H. F. Yang, T. Zhang, B. Zhou… in Nature Physics (2015)

Article

Weyl semimetal phase in the non-centrosymmetric compound TaAs

Experiments show that TaAs is a three-dimensional topological Weyl semimetal.

L. X. Yang, Z. K. Liu, Y. Sun, H. Peng, H. F. Yang, T. Zhang, B. Zhou… in Nature Physics (2015)

Article

Observation of universal strong orbital-dependent correlation effects in iron chalcogenides

Establishing the appropriate theoretical framework for unconventional superconductivity in the iron-based materials requires correct understanding of both the electron correlation strength and the role of Ferm...

M. Yi, Z-K Liu, Y. Zhang, R. Yu, J.-X. Zhu, J.J. Lee, R.G. Moore… in Nature Communications (2015)

Article

Erratum: Search for anomalous \( t\overline{t} \) production in the highly-boosted all-hadronic final state

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in Journal of High Energy Physics (2014)

Article

Discovery of a single topological Dirac fermion in the strong inversion asymmetric compound BiTeCl

BiTeCl is a topological insulator with strong inversion asymmetry, which exhibits bulk charge polarization and pyroelectricity. Such a long-sought topological insulator paves the way for applications involving...

Y. L. Chen, M. Kanou, Z. K. Liu, H. J. Zhang, J. A. Sobota… in Nature Physics (2013)

Article

Search for physics beyond the standard model in events with τ leptons, jets, and large transverse momentum imbalance in pp collisions at \(\sqrt{s}=7\ \mathrm{TeV}\)

A search for physics beyond the standard model is performed with events having one or more hadronically decaying τ leptons, highly energetic jets, and large transverse momentum imbalance. The data sample correspo...

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in The European Physical Journal C (2013)

Article

Measurement of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section in the all-jet final state in pp collisions at \( \sqrt{s}=7 \) TeV

A measurement is presented of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section \( \left( {{\sigma_{{\mathrm{t}\overline{\mathrm{t}}}}}} \right) \) ...

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in Journal of High Energy Physics (2013)

Article

Search for supersymmetry in pp collisions at \(\sqrt{s} =7\) TeV in events with a single lepton, jets, and missing transverse momentum

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. Th...

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in The European Physical Journal C (2013)

Article

Measurement of differential top-quark-pair production cross sections in pp collisions at \(\sqrt{s} = 7\ \mathrm{TeV}\)

Normalised differential top-quark-pair production cross sections are measured in pp collisions at a centre-of-mass energy of 7 TeVat the LHC with the CMS detector using data recorded in 2011 corresponding to a...

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in The European Physical Journal C (2013)

Article

Search for new physics in events with photons, jets, and missing transverse energy in pp collisions at \( \sqrt{s}=7 \) TeV

A search for physics beyond the standard model involving events with one or more photons, jets, and missing transverse energy has been performed by the CMS experiment. The data sample corresponds to an integra...

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan… in Journal of High Energy Physics (2013)