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  1. Article

    Open Access

    Cosmological time crystals from Einstein-cubic gravities

    By including appropriate Riemann-cubic invariants, we find that the dynamics of classical time crystals can be straightforwardly realized in Einstein gravity on the FLRW metric. The time reflection symmetry is...

    **ng-Hui Feng, Hyat Huang, Shou-Long Li, H. Lü, Hao Wei in The European Physical Journal C (2020)

  2. Article

    Open Access

    \(\mathcal{P}\) v criticality in gauged supergravities

    AdS black holes show richer transition behaviors in extended phase space by assuming the cosmological constant and its conjugate quantity to behave like thermodynamic pressure and thermodynamic volume. We stud...

    Shou-Long Li, Hong-Da Lyu, Hua-Kai Deng, Hao Wei in The European Physical Journal C (2019)

  3. Article

    Open Access

    Exact embeddings of JT gravity in strings and M-theory

    We show that two-dimensional JT gravity, the holographic dual of the IR fixed point of the SYK model, can be obtained from the consistent Kaluza–Klein reduction of a class of EMD theories in general D dimensions....

    Yue-Zhou Li, Shou-Long Li, H. Lü in The European Physical Journal C (2018)

  4. Article

    Open Access

    Gödel universe from string theory

    The Gödel universe is a direct product of a line and a three-dimensional spacetime we call G \(_\alpha \) ...

    Shou-Long Li, **ng-Hui Feng, Hao Wei, H. Lü in The European Physical Journal C (2017)