3 papers
quant-ph2026
Kirkwood-Dirac classical states based on discrete Fourier transform: Representation with directed graph
Lin-Yan Cai, Ying-Hui Yang, Zhu-Jun Zheng
The Kirkwood-Dirac (KD) quasiprobability distribution is a fundamental representation for quantum states and has been widely applied in quantum metrology, quantum chaos, weak value…
quant-ph2025
Detectors for local discrimination of sets of generalized Bell states
Cai-Hong Wang, Jiang-Tao Yuan, Ying-Hui Yang +3
A fundamental problem in quantum information processing is the discrimination among a set of orthogonal quantum states of a composite system under local operations and classical co…
quant-ph2025
Local unitary classification of sets of generalized Bell states in
Cai-Hong Wang, Jiang-Tao Yuan, Mao-Sheng Li +2
Two sets of quantum entangled states that are equivalent under local unitary transformations may exhibit identical effectiveness and versatility in various quantum information proc…