Quantum Gravity Lab

Publications

Selected publications and preprints

Research in quantum geometry, effective gravity, black holes, cosmology, and computational methods.

Browse the complete publication record on INSPIRE HEP.

  1. Quantum geometry 2026 · Preprint

    Holonomy Reconstruction and Character Varieties of Lorentzian Curved Tetrahedra

    Hongguang Liu, Qiaoyin Pan

    arXiv:2605.26410 · Preprint

  2. Black holes 2026 · Journal article

    Regular ultracompact objects with anti–de Sitter cores as polymerized vacuum solutions

    Hongguang Liu, Ioannis Soranidis

    Physical Review D 114, 044066 (2026)

  3. Semiclassical methods 2026 · Journal article

    Beyond expectation values: Generalized semiclassical expansions for matrix elements of gauge coherent states

    Haida Li, Hongguang Liu

    Physical Review D 114, 064082 (2026)

  4. Effective gravity 2025 · Preprint

    From Principles to Effective Models: A Constructive Framework for Effective Covariant Actions with a Unique Vacuum Solution

    Kristina Giesel, Hongguang Liu

    arXiv:2512.24960 · Preprint

  5. Quantum field theory 2025 · Journal article

    One-loop effective action from the coherent state path integral of loop quantum gravity

    Renata Ferrero, Muxin Han, Hongguang Liu

    Physical Review D 112, 024033 (2025)

  6. Numerical methods 2025 · Journal article

    Mathematica program for numerically computing real and complex critical points in four-dimensional Lorentzian spinfoam amplitudes

    Muxin Han, Hongguang Liu, Dongxue Qu

    Physical Review D 111, 024021 (2025)

  7. Asymptotic symmetries 2026 · Preprint

    Asymptotic Symmetries of the Holst Action at Spatial Infinity: Including Supertranslations

    Sepideh Bakhoda, Hongguang Liu

    arXiv:2604.02052 · Preprint

  8. Quantum geometry 2026 · Journal article

    Bridging quantum and semiclassical volume: A numerical study of coherent state matrix elements in loop quantum gravity

    Haida Li, Hongguang Liu

    Physical Review D 114, 084023 (2026)

  9. Quantum geometry 2025 · Journal article

    Quantum representation of reduced twisted geometry in loop quantum gravity

    Gaoping Long, Cong Zhang, Hongguang Liu

    Physical Review D 112, 024022 (2025)

  10. Black holes 2025 · Journal article

    Regular black holes and their relationship to polymerized models and mimetic gravity

    Kristina Giesel, Hongguang Liu, Parampreet Singh, Stefan Andreas Weigl

    Physical Review D 111, 064064 (2025)

  11. Cosmology 2025 · Journal article

    Cosmological dynamics from covariant loop quantum gravity with scalar matter

    Muxin Han, Hongguang Liu, Dongxue Qu, Francesca Vidotto, Cong Zhang

    Physical Review D 111, 086012 (2025)

  12. Spin foams 2025 · Journal article

    Properties of the 4D spinfoam quantum geometry: Results from next-to-leading order spinfoam large-j asymptotics of the 1-5 Pachner move

    Haida Li, Muxin Han, Hongguang Liu, Shicong Song, Dongxue Qu

    Physical Review D 111, 086017 (2025)

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