论文标题
碰撞模型量子轨迹的纠缠量子环境
Collisional-model quantum trajectories for entangled qubit environments
论文作者
论文摘要
我们研究量子系统与纠缠Qubit的流相互作用的动力学。在相当普遍的条件下,我们提出了一个详细的框架,描述了测量量子位时系统的条件动力图,称为量子轨迹。根据测量基础,这些量子轨迹可以是跳跃型或扩散类型的,并且它们可以表现出不具有量子光学和单质量轨迹的特征。例如,我们考虑两个远程原子的情况,其中跳高量子轨迹轨迹预示着纠缠的出生和死亡。
We study the dynamics of quantum systems interacting with a stream of entangled qubits. Under fairly general conditions, we present a detailed framework describing the conditional dynamical maps for the system, called quantum trajectories, when the qubits are measured. Depending on the measurement basis, these quantum trajectories can be jump-type or diffusive-type, and they can exhibit features not present with quantum optical and single-qubit trajectories. As an example, we consider the case of two remote atoms, where jump-type quantum trajectories herald the birth and death of entanglement.