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quant-ph2023★ 14 cited
Variational quantum algorithms for scanning the complex spectrum of non-Hermitian systems
Xu-Dan Xie, Zheng-Yuan Xue, Dan-Bo Zhang
Solving non-Hermitian quantum many-body systems on a quantum computer by minimizing the variational energy is challenging as the energy can be complex. Here, based on energy varian…
quant-ph2022★ 30 cited
Variational thermal quantum simulation of the lattice Schwinger model
Xu-Dan Xie, Xingyu Guo, Hongxi Xing +3
Confinement of quarks due to the strong interaction and the deconfinement at high temperatures and high densities are a basic paradigm for understanding the nuclear matter. Their s…