2 papers
quant-ph2026
Optimization landscapes of variational quantum algorithms
Xiaozhen Ge, Shuming Cheng, Guofeng Zhang +1
Optimization plays a central role in variational quantum algorithms, where the objective function typically takes the form $F(\boldsymbolθ)= \sum_{m=1}^{M} f_m \left(\mathrm{Tr}[U…
quant-ph2026
Phase-tunable remote nonreciprocal charging in waveguide QED
Meixi Guo, Jian Huang, Rui-Yang Gong +2
Remote quantum batteries require directional and controllable energy transfer between spatially separated quantum nodes, yet most existing protocols rely on direct charger-battery…