3 papers
quant-ph2025
Photonic implementation of quantum hidden subgroup database compression
Qianyi Wang, Feiyang Liu, Teng Hu +6
We experimentally demonstrate quantum data compression exploiting hidden subgroup symmetries using a photonic quantum processor. Classical databases containing generalized periodic…
quant-ph2025
A Geometric Quantum Speed Limit: Theoretical Insights and Photonic Implementation
Qianyi Wang, Ben Wang, Jun Wang +1
Quantum mechanics imposes a lower bound on the time required for a quantum system to reach certain given targets. In this paper, from a geometric perspective, we introduce a new qu…
quant-ph2025
Quantum Geometric Tensor for Mixed States Based on the Covariant Derivative
Qianyi Wang, Ben Wang, Jun Wang +1
The quantum geometric tensor (QGT) is a fundamental quantity for characterizing the geometric properties of quantum states and plays an essential role in elucidating various physic…