Real-time simulation of jet energy loss and entropy production in high-energy scattering with matter

• URL: http://arxiv.org/abs/2502.17558v1
• Date: Mon, 24 Feb 2025 19:00:01 GMT
• Title: Real-time simulation of jet energy loss and entropy production in high-energy scattering with matter
• Authors: João Barata, Enrique Rico,
• Abstract summary: We study a real-time scattering process between a propagating state and a dense target in $1+1$-d massive QED.<n>With the goal of one day replicating high-energy nuclear experiments in quantum devices, we briefly discuss how the current tensor network-based simulations can be translated to a quantum simulator.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In analogy to high-energy nuclear scattering experiments, we study a real-time scattering process between a propagating state and a dense target in $1+1$-d massive QED. In our setup, we identify three distinct regimes that qualitatively characterize the evolution: for a dilute medium, the incoming probe state evolves nearly ballistically; in an intermediate setting, it traverses the matter, locally exciting it; and for dense targets, one approaches a black-disk limit, where the matter acts as a strong wall potential. We find evidence that the probe's energy loss rate scales linearly with the path length in the medium, and we study how the entanglement entropy reveals the mixing between the probe and medium states. With the goal of one day replicating high-energy nuclear experiments in quantum devices, we briefly discuss how the current tensor network-based simulations can be translated to a quantum simulator.

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