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Author

Dan-Bo Zhang

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Preprint Aug 2026

Interference Engineering for Quantum Imaginary-Time Evolution through Multiple Energy Shifts

Energy shifting is usually trivial in imaginary-time evolution because it changes only the normalization of the evolved state. On a quantum computer, however, imaginary-time evolution can be implemented as a coherent or sampled superposition of real-time evolutions, in which energy shifts generate relative phases that...

Hong-Jian Tang, Dan-Bo Zhang · 2 citations
Preprint Aug 2026

Physics-informed quantum algorithms for glueball-like excitations in a $\mathbb{Z}_2$ lattice gauge theory

Glueball spectroscopy and real-time production with quantum computing require three distinct ingredients: a correlated gauge vacuum, a controlled construction of pure-gauge excitations, and a dynamical detector. We develop a physics-informed quantum-algorithm toolbox for these tasks in a $(2+1)$-dimensional $\mathbb{Z}...

Dan-Bo Zhang · 0 citations

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