Quantum control of dissipative multi-partite entanglement generation in Rydberg atoms

纠缠是量子信息科学中的关键资源，但多体纠缠的演示仍然是跨物理平台的开放挑战。故意纳入耗散可能robustify纠缠产生协议对某些类型的噪音。在这些协议中，相干驱动和耗散动力学相结合，使所需的纠缠态成为驱动耗散演化的不动点。对于二体纠缠，通过优化选择相干驱动参数，可以使纠缠态制备的保真度达到任意精度。这种方法是否可以扩大到纠缠许多粒子还有待观察。在这个项目中，我们试图利用里德伯原子之间的巨大相互作用，结合驱动耗散动力学的量子最优控制，推导出多体纠缠的鲁棒，准确和快速生成的协议。

Entanglement is a key resource in quantum information science but demonstration of multipartite entanglement remains an open challenge across physical platforms. Deliberate incorporation of dissipation may robustify entanglement generation protocols against certain types of noise. In these protocols, coherent drives and dissipative dynamics are combined such that the desired entangled state becomes the fixed point of the driven dissipative evolution. For bipartite entanglement, the fidelity of the entangled state preparation can be made arbitrarily accurate by optimally choosing the coherent drive parameters. Whether this approach can be scaled up to entangle many particles remains yet to be seen. Within this project, we seek to exploit the giant interaction between Rydberg atoms in conjunction with quantum optimal control of driven dissipative dynamics to derive protocols for the robust, accurate and fast generation of multipartite entanglement.