Showing quant-phShow all
3 papers · 1 filter
quant-ph2025
Measuring Less to Learn More: Quadratic Speedup in learning Nonlinear Properties of Quantum Density Matrices
Yukun Zhang, Yusen Wu, You Zhou +1
A fundamental task in quantum information science is to measure nonlinear functionals of quantum states, such as . Intuitively, one expects that computing a …
quant-ph2025
Approximate k-uniform states: definition, construction and applications
Kaiyi Guo, Fei Shi, You Zhou +1
-Uniform states are fundamental to quantum information and computing, with applications in multipartite entanglement and quantum error-correcting codes (QECCs). Prior work has p…
quant-ph2024
Entanglement accelerates quantum simulation
Qi Zhao, You Zhou, Andrew M. Childs
Quantum entanglement is an essential feature of many-body systems that impacts both quantum information processing and fundamental physics. The growth of entanglement is a major ch…