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arXiv · 2406.08902

Mutual dipolar drag in a bilayer Fermi gas

B. Renklioglu·Ben Yu-Kuang Hu·M. O. Oktel·B. Tanatar
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Abstract

We consider two-dimensional spin-polarized dipolar Fermi gases confined in a double-layer system and calculate the momentum transfer between the layers as a function of temperature to investigate the transport properties of the system. We use the Hubbard approximation to describe the correlation effects and the screening between the dipoles within a single layer. The effective interlayer interaction between the dipoles across the layers is obtained by the random-phase approximation. We calculate the interaction strength and the layer separation distance dependence of the drag rate, and we show that there is a critical distance below which the system is unstable. In addition, we calculate the typical behavior of the collective modes related to the density fluctuations.

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B. Renklioglu, Ben Yu-Kuang Hu, M. O. Oktel, B. Tanatar. 2024-06-13. Mutual dipolar drag in a bilayer Fermi gas. https://doi.org/10.1103/physreva.109.063319

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