论文标题
跨Mott/Superfluid相变的强相关的非平衡光子流体的集体激发
Collective excitations of a strongly-correlated non-equilibrium photon fluid across the Mott/superfluid phase transition
论文作者
论文摘要
我们开发了一种Gutzwiller理论，该理论是针对由非马克维亚不连贯泵驱动的强相互作用的光子流体的非平衡稳态。特别是，我们探索了跨平衡莫特/超氟化过渡的集体激发模式，表征了超氟相位的扩散金石模式以及绝缘的粒子/孔/孔激发。突出显示了系统的泵和探针光学响应中的可观察功能。我们的结果表现为最先进的电路QED设备实验可访问的，并为光线驱动流体的流体开辟了道路，作为新型多体情况的量子模拟器。
We develop a Gutzwiller theory for the non-equilibrium steady states of a strongly-interacting photon fluid driven by a non-Markovian incoherent pump. In particular, we explore the collective excitation modes across the out-of-equilibrium Mott/superfluid transition, characterizing the diffusive Goldstone mode in the superfluid phase and the particle/hole excitations in the insulating one. Observable features in the pump-and-probe optical response of the system are highlighted. Our results appear as experimentally accessible to state-of-the-art circuit-QED devices and open the way for driven-dissipative fluids of light as quantum simulators of novel many-body scenarios.
