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hep-th2025★ 4 cited
Simple holographic dual of the Maxwell-Cattaneo model & the fate of KMS symmetry for non-hydrodynamic modes
Yongjun Ahn, Matteo Baggioli, Yanyan Bu +2
Diffusion, as described by Fick's laws, governs the spreading of particles, information, data, and even financial fluctuations. However, due to its parabolic structure, the diffusi…
hep-th2025
Holographic derivation of effective action for a dissipative neutral fluid
Yanyan Bu, Xiyang Sun
Using a holographic prescription for the Schwinger-Keldysh closed time path, we derive the effective action for a dissipative neutral fluid holographically described by the Einstei…