Finite-momentum condensation in a pumped microcavity

R. T. Brierley; rnP. R. Eastham

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Finite-momentum condensation in a pumped microcavity

机译：泵送微腔中的有限动量冷凝

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We calculate the absorption spectra of a semiconductor microcavity into which a nonequilibrium exciton population has been pumped. We predict strong peaks in the spectrum corresponding to collective modes analogous to the Cooper modes in superconductors and fermionic atomic gases. These modes can become unstable, leading to the formation of off-equilibrium quantum condensates. We calculate a phase diagram for condensation and show that the dominant instabilities can be at a finite momentum. Thus we predict the formation of inhomogeneous condensates, similar to Fulde-Ferrel-Larkin-Ovchinnikov states.

机译：我们计算了其中已注入非平衡激子种群的半导体微腔的吸收光谱。我们预测与超导体和铁离子原子气体中的库珀模类似的集体模对应的光谱中的强峰。这些模式可能变得不稳定，导致形成不平衡的量子冷凝物。我们计算出凝结的相图，并表明主要的不稳定性可以处于有限的动量。因此，我们预测不均匀凝结物的形成，类似于Fulde-Ferrel-Larkin-Ovchinnikov态。

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来源
《Physical review》 |2010年第3期|P.035317.1-035317.7|共7页
作者
R. T. Brierley; rnP. R. Eastham;
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作者单位

Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom;

rnCavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom School of Physics, Trinity College, Dublin 2, Ireland;

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正文语种 eng
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dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow; polaritons (including photon-phonon and photon-magnon interactions); collective effects (bose effects, phase space filling, and excitonic phase transitions); quantum dots;

机译：冷凝物的动态特性;集体和流体动力激励;超流体流;极化子（包括光子-声子和光子-磁子相互作用）;集体效应（玻色效应;相空间填充和激子相变）;量子点;

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专利

1. Pump-Power-Driven Mode Switching in a Microcavity Device and Its Relation to Bose-Einstein Condensation [J] . H. A. M. Leymann, D. Vorberg, T. Lettau, Physical Review X . 2017,第2期

机译：泵浦动力驱动模式切换微腔装置及其与Bose-Einstein冷凝的关系
2. Robust Polariton Boseâ€“Einstein Condensation Laser via a Strong Coupling Microcavity [J] . Zhiyang Chen, Huying Zheng, Hai Zhu, Laser & photonics reviews . 2020,第12期

机译：通过强耦合微腔强制抗粘性BOSE - 爱因斯坦冷凝激光
3. Hierarchical microcavity topography for enhancement of water vapor condensation heat transfer by regulating droplet dynamics and droplet size distribution [J] . Tian-Yu Zhang, Lin-Wei Mou, Yu-Chen Zhang, Case Studies in Thermal Engineering . 2020,第a期

机译：分层微腔地形，通过调节液滴动力学和液滴尺寸分布来提高水蒸气凝结热传递
4. Polariton Bose condensation in microcavity in high magnetic fields [C] . V P Kochereshko, A V Platonov, N G Filosofov, International Conference PhysicA.SPb . 2020

机译：Polariton在高磁场中的微腔中培养凝结
5. Dynamic condensation of semiconductor microcavity polaritons. [D] . Deng, Hui. 2006

机译：半导体微腔极化子的动态缩合。
6. Observation of bosonic condensation in a hybrid monolayer MoSe2-GaAs microcavity [O] . Max Waldherr, Nils Lundt, Martin Klaas, -1

机译：混合单层MoSe2-GaAs微腔中的硼缩合观察
7. Pump-power-driven mode switching in a microcavity device and its relation to Bose-Einstein condensation [O] . Leymann H. A. M., Vorberg D., Lettau T., 2017

机译：微腔设备中的泵浦驱动模式切换及其与Bose-Einstein凝聚的关系

Finite-momentum condensation in a pumped microcavity

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