4 papers
Spin-orbit coupling induced geometric squeezing in rotating Bose-Einstein condensates
Fei Zhu, Chunxia Guo, Rui Zhang +3
Squeezed states play a key role in diverse frontiers of quantum physics. Geometrically squeezed states, a squeezed state in the orbital phase space of rotating Bose-Einstein conden…
Efimovian Phonon Production for an Analog Coasting Universe in Bose-Einstein Condensates
Yunfei Xue, Jiabin Wang, Li Chen +2
Efimov effects arise from scale invariance, a fundamental symmetry with universal implications. While spatial Efimov physics has been extensively studied, realizing its temporal co…
Surpassing Quantum Noise Limits with Nonlinear Amplification
Ya-Long Ren, Rong-Teng Cao, Sheng-Li Ma +4
Linear quantum amplifiers are indispensable tools for quantum technologies, yet their performance is fundamentally limited by quantum noise, precluding any signal-to-noise ratio (S…
Geometric Optimization of Quantum Control with Minimum Cost
Chengming Tan, Yuhao Cai, Jinyi Zhang +3
We investigate the optimization of quantum control from a differential geometric perspective. In our approach, optimal control minimizes the cost associated with evolving a quantum…