We examine a two-qubit system influenced by a time-periodic external field while interacting with a Markovian bath. This scenario significantly impacts the temporal coherence characteristics of the system. By solving the evolution equation for the density matrix operator, we determine the characteristic equilibration time and analyze the concurrence parameter-a key metric for quantifying entanglement. Our findings reveal the system’s ability to navigate through a dynamic phase transition. These results pave the way to designing systems of interacting qubits demonstrating robust entanglement under realistic conditions of interaction with the environment.

中文翻译：

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两个驱动相互作用量子位中的耗散稳定性和动态相变

我们研究了一个在与马尔可夫浴相互作用时受时间周期外场影响的双量子位系统。这种情况会显着影响系统的时间相干特性。通过求解密度矩阵算子的演化方程，我们确定了特征平衡时间并分析了并发参数——量化纠缠的关键指标。我们的研究结果揭示了系统通过动态相变进行导航的能力。这些结果为设计相互作用的量子位系统铺平了道路，该系统在与环境相互作用的现实条件下展示了强大的纠缠。