Quantum Metrology with Coherent Superposition of Two Different Coded Channels

no code implementations • 3 Dec 2020 • Dong Xie, Chunling Xu, An Min Wang

We investigate the advantage of coherent superposition of two different coded channels in quantum metrology.

Quantum Physics

Parameter estimation and quantum entanglement in PT symmetrical cavity magnonics system

no code implementations • 3 Dec 2020 • Dong Xie, Chunling Xu, An Min Wang

For the open PT symmetrical two magnons system, the quantum fluctuations will greatly reduce the degree of entanglement.

Quantum Physics