collaborators

8 papers

quant-ph2026

Parent Hamiltonian and intrinsic phase transition in non-Hermitian photonic systems

Yuntao Xiao, Yuchen Guo, Xiaojian Huang +6

Non-Hermitian systems host phenomena absent in Hermitian physics, but realizing Hamiltonians with intrinsic non-Hermitian properties remains challenging. The theoretical method of…

cond-mat.str-el2026

-type Lieb-Schultz-Mattis anomalies, deconfined quantum critical points, and non-invertible symmetry breaking

Hao-Ran Zhang, Hanlin Lin, Shuo Yang +1

We study deconfined quantum critical points (DQCP) associated with Lieb-Schultz-Mattis (LSM) anomalies in one-dimensional spin chains. Our starting point is a structural characteri…

quant-ph2026

Quantum criticality in open quantum systems from the purification perspective

Yuchen Guo, Shuo Yang

Open quantum systems host mixed-state phases that go beyond the symmetry-protected topological and spontaneous symmetry-breaking paradigms established for closed, pure-state system…

quant-ph2025

A New Framework for Quantum Phases in Open Systems: Steady State of Imaginary-Time Lindbladian Evolution

Yuchen Guo, Ke Ding, Shuo Yang

This study delves into the concept of quantum phases in open quantum systems, examining the shortcomings of existing approaches that focus on steady states of Lindbladians and high…

cond-mat.str-el2025

Unveiling Stripe-shaped Charge Density Modulations in Doped Mott Insulators

Ning Xia, Yuchen Guo, Shuo Yang

Inspired by recent experimental findings, we investigate various scenarios of the doped Hubbard model with impurity potentials. We calculate the lattice Green's function in a finit…

quant-ph2025

Efficient Quantum Circuit Compilation for Near-Term Quantum Advantage

Yuchen Guo, Shuo Yang

Quantum noise in real-world devices poses a significant challenge in achieving practical quantum advantage, since accurately compiled and executed circuits are typically deep and h…