Preprint
Sep 2026
Nonorthogonal variational quantum simulation for quantum chemistry
Nonorthogonal variational quantum simulation (NOVQS) is introduced, which applies linear combinations of parameterized quantum states to real- and imaginary-time evolutions and provides a flexible route to enhancing wavefunction expressivity under circuit-depth constraints.
Zong-Kang Zhang, Jia-Jun Ren, Xiao Yuan
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