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quant-ph2025
Diagonalizing large-scale quantum many-body Hamiltonians using variational quantum circuit and tensor network
Peng-Fei Zhou, Shuang Qiao, An-Chun Ji +1
Exact diagonalization (ED) provides complete access to many-body eigenenergies and eigenstates, yet its exponential cost confines it to small systems. We propose tensor network var…
quant-ph2024
Entanglement scaling and criticality of infinite-size quantum many-body systems in continuous space addressed by a tensor network approach
Rui Hong, Hao-Wei Cui, An-Chun Ji +1
Simulating strongly-correlated quantum systems in continuous space belongs to the most challenging and long-concerned issues in quantum physics. This work investigates the quantum…