非 reciprocal 多体系统中的辐射 Corbino 效应
Radiative Corbino effect in nonreciprocal many-body systems
AI总结：
研究非 reciprocal 多体系统中 Corbino 效应的热学类比，揭示外部磁场下 Poynting 场弯曲导致切向热流的机制，为纳米尺度热管理与能量转换提供新思路。
摘要：
当在垂直于金属盘的磁场上施加径向偏压电压时，洛伦兹力作用于电子，导致切向电流叠加到径向电流上。在此，我们引入了非 reciprocal 多体系统中 Corbino 效应的热学类比，这些系统由通过近场 regime 中交换光子相互作用的非 reciprocal 体组成。在非热平衡系统中，存在径向温度梯度时，我们证明在 Corbino 几何中 Poynting 场在外部磁场存在下会发生弯曲，从而产生切向热流。这种热磁效应可能在纳米尺度的热管理与能量转换领域找到应用。
英文摘要：
When a magnetic field is applied in the perpendicular direction to a metallic disk under the action of a radial bias voltage, a tangential electric current superimposes to the radial current due to the presence of the Lorentz force which acts on electrons. Here we introduce a thermal analog of this Corbino effect in many-body systems made of nonreciprocal bodies which interact by exchanging photons in near-field regime. In systems out of thermal equilibrium with a radial temperature gradient, we demonstrate that the Poynting field in the Corbino geometry is bent in presence of an external magnetic field, giving rise to a tangential heat flux. This thermomagnetic effect could find applications in the field of thermal management and energy conversion at nanoscale.
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