We study an analog hydrodynamic model that mimics a 3 + 1 AdS planar BH spacetime dual to a 2 + 1-dimensional superconductor. We demonstrate that the AdS₄ bulk and its holographic dual could be realized in nature in an analog gravity model based on fluid dynamics. In particular we mimic the metric of an O ₂ holographic superconductor and calculate the entanglement entropy of a conveniently designed subsystem at the boundary of the analog AdS₄ bulk.

中文翻译：

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模拟对偶到 2+1 维全息超导体

我们研究了一个模拟流体动力学模型，该模型模拟了 3 + 1 AdS 平面 BH 时空对偶到 2 + 1 维超导体。我们证明了 AdS ₄体及其全息对偶可以在基于流体动力学的模拟重力模型中在自然界中实现。特别是，我们模拟了O ₂全息超导体的度量，并计算了模拟 AdS ₄体边界处设计方便的子系统的纠缠熵。