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quant-ph2026
Leg-Tied Tensor Network States: Entanglement Beyond Virtual Bonds
Shuoyi Hu, Bing Gu
We introduce a class of tensor-network states in which physical legs are shared among local tensors, termed leg-tied tensor ansätze (LETTA). Physical leg ties encode long-range cor…
quant-ph2026
Nonadiabatic Renormalization Group for Strongly Coupled Multiscale Quantum Systems
Bing Gu
Complex quantum systems are often multiscale in nature with strong interactions between different scales. We present a novel idea: iteratively suppressing, rather than tracing out,…