2 papers
quant-ph2024
Characterizing Quantum Codes via the Coefficients in Knill-Laflamme Conditions
Mengxin Du, Chao Zhang, Yiu-Tung Poon +1
Quantum error correction (QEC) is essential for protecting quantum information against noise, yet understanding the structure of the Knill-Laflamme (KL) coefficients from…
quant-ph2024
Detecting Entanglement by Pure Bosonic Extension
Xuanran Zhu, Chao Zhang, Chenfeng Cao +3
In the realm of quantum information theory, the detection and quantification of quantum entanglement stand as paramount tasks. The relative entropy of entanglement (REE) serves as…