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Yu-Chin Tzeng (曾郁欽)

Yu-Chin Tzeng (曾郁欽) Research Scholar (Principle Investigator)

  • Education

    2017, PhD in Physics, National Chung Hsing University, Taiwan.

    Experience

    • Nov. 2017 - Apr. 2019, Postdoctoral Research Associate, University of Kent, United Kingdom
    • Sep. 2019 - Jul. 2020, Postdoc, National Chung Hsing University, Taiwan
    • Aug. 2020 - Sep. 2020, Postdoc, Tunghai University, Taiwan
    • Oct. 2020 - Sep. 2022, Postdoc, National Tsing Hua University, Taiwan
    • Oct. 2022 - Jul. 2024, Postdoctoral Research Associate, Physics Division, National Center for Theoretical Sciences, Taiwan
    • Aug. 2024 - now, Research Scholar, National Yang Ming Chiao Tung University, Taiwan
    • 國科會計畫主持人。計畫名稱：非厄米量子系統中糾纏熵、糾纏譜與拓樸相的數值研究 Grant number: NSTC113-2112-M-A49-015-MY3 (2024/08/01-2027/10/31)

    Research Expertise

    • Numerical methods in strongly correlated systems: Exact Diagonalization, Density Matrix Renormalization Group (DMRG)
    • Fractional quantum Hall systems, Fractional Topological Insulators.
    • (quasi-)1D spin chains, spin ladders, Haldan chain.
    • Quantum phase transitions, fidelity susceptibility, entanglement spectrum, entropy, and convertibility.
    • non-Hermitian quantum systems

  • Publication within 5 years

    • Yu-Chin Tzeng, Parity quantum numbers in the density matrix renormalization group, Phys. Rev. B 86, 024403 (2012)
    • Yu-Chin Tzeng, Min-Fong Yang, Fate of Fermi-arc states in gapped Weyl semimetals under long-range interactions, Phys. Rev. B 102, 035148 (2020)
    • Yu-Chin Tzeng, Chia-Yi Ju, Guang-Yin Chen, and Wen-Min Huang, Hunting for the non-Hermitian exceptional points with fidelity susceptibility, Phys. Rev. Research 3, 013015 (2021)
    • Yi-Ting Tu, Yu-Chin Tzeng, Po-Yao Chang, Rényi entropies and negative central charges in non-Hermitian quantum systems,  SciPost Phys. 12, 194 (2022)
    • HY Wu, Yu-Chin Tzeng, ZY Xie, K Ji, JF Yu, Exploring quantum phase transitions by the cross derivative of the ground state energy, New J. Phys. 25, 043006 (2023)
    • Yi-Ting Tu, Iksu Jang, Po-Yao Chang, Yu-Chin Tzeng, General properties of fidelity in non-Hermitian quantum systems with PT symmetry, Quantum 7, 960 (2023)
    • Yu-Chin Tzeng, Po-Yao Chang,  Min-Fong Yang, Interaction-induced metal to topological insulator transition, Phys. Rev. B 107, 155106 (2023)

  • Highlight

    Awards

    Research News