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The paper discusses Daniel Jafferis et al.'s "Nature" publication on"Traversable wormhole dynamics on a quantum processor." The experiment utilizedGoogle's Sycamore quantum processor to simulate a sparse SYK model with alearned Hamiltonian. A debate ensued when Bryce Kobrin, Thomas Schuster, andNorman Yao raised concerns about the learned Hamiltonian's reliability, whichJafferis and the team addressed. Recently, there has been an update in thewormhole experiment saga. In an attempt to rescue the commuting Hamiltonianfrom its inevitable fate of being invalidated, a recent paper by Ping Gaoproposed a creative solution to reinvigorate the concept within the context ofteleportation through wormholes. This paper delves into the ongoing debate andthe recent endeavor to address the comments made by Kobrin et al. I remainskeptical about the efforts to address Kobrin et al.'s challenges. By itsnature, a commuting Hamiltonian does not exhibit chaotic behavior likenon-commuting Hamiltonians. Moreover, it's always essential to assess thesensitivity of the Hamiltonian to noise to understand its practical feasibilityfor the real-world Sycamore processor.

Debating the Reliability and Robustness of the Learned Hamiltonian in the Traversable Wormhole Experiment