Locally purified density operators for symmetry-protected topological phases in mixed states

Y Guo, JH Zhang, HR Zhang, S Yang, Z Bi - arxiv preprint arxiv …, 2024 - arxiv.org
We propose a tensor network approach known as the locally purified density operator
(LPDO) to investigate the classification and characterization of symmetry-protected …

Quantum state tomography with locally purified density operators and local measurements

Y Guo, S Yang - Communications Physics, 2024 - nature.com
Understanding quantum systems is of significant importance for assessing the performance
of quantum hardware and software, as well as exploring quantum control and quantum …

Efficient Quantum Circuit Compilation for Near-Term Quantum Advantage

Y Guo, S Yang - arxiv preprint arxiv:2501.07387, 2025 - arxiv.org
Quantum noise in real-world devices poses a significant challenge in achieving practical
quantum advantage, since accurately compiled and executed circuits are typically deep and …