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Showing 1–5 of 5 results
Advanced filters: Author: "Guoqing Chang" Clear advanced filters

  • Causality, the relationship between cause and effect, is a central concept in Einstein’s theory of relativity. Here, authors show that a causality analogue in energy-momentum space plays an important role in describing quasiparticle interactions in quantum matter.

    • Wei-Chi Chiu
    • Guoqing Chang
    • Arun Bansil
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Strong correlations between electrons in topological surface states drive the formation of surface van Hove singularities. These may be linked to charge density waves in the surface states.

    • Daniel S. Sanchez
    • Tyler A. Cochran
    • M. Zahid Hasan
    Research
    Nature Physics
    Volume: 19, P: 682-688

  • Weyl fermions have yet to be observed as elementary particles but can be realized in topological quantum materials. This Review discusses the theoretical and experimental discovery of emergent Weyl fermions, high-fold chiral fermions, topological Weyl lines and related Dirac phases.

    • M. Zahid Hasan
    • Guoqing Chang
    • Jia-Xin Yin
    Reviews
    Nature Reviews Materials
    Volume: 6, P: 784-803

  • Cheng, Chung et al. develop a compact multimodal, multiphoton microscope for the detection of protein crystals with high sensitivity. This new tool facilitates the identification and detection of protein micro- and nano-crystal suspensions for serial diffraction data collection at X-ray free-electron lasers or high-intensity microfocus synchrotron radiation sources.

    • Qing-di Cheng
    • Hsiang-Yu Chung
    • Christian Betzel
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-7