Author

Chushun Tian

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Preprint Aug 2026

Phase transition from eigenstate thermalization: forbidden singularity and instanton proliferation via AGT correspondence

In theoretical physics, finding connections between problems that appear in distinct contexts is an important way to leapfrog progresses, often by illuminating deep aspects that may otherwise seem obscure. In this paper, we consider in 2d CFTs the phenomenon of forbidden singularities in auto-correlation functions -- a...

Yongjian Xu, Weixin Sun, Chushun Tian et al. · 1 citation · ⚡1

Preprint Aug 2026

Lee-Yang paradigm of phase transition in eigenstate thermalized systems

As phase transitions in isolated quantum systems remain elusive, here we show how a thermodynamic-like phase transition, falling into the Lee-Yang paradigm, can arise in systems displaying eigenstate thermalization. Specifically, we show that in holographic conformal field theories, the eigenstate expectation of the au...

Yongjian Xu, Weixin Sun, Chushun Tian et al. · 0 citations