Isotropization in heavy ion collisions in the 2PI formalism
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918145602617344 |
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| author | Gelis, Francois |
| author_facet | Gelis, Francois |
| contents | An important question in heavy-ion collisions is how the initial far-from-equilibrium medium evolves and thermalizes while it undergoes a rapid longitudinal expansion. In this presentation, we show how to use the two-particle irreducible (2PI) effective action to address this question, focusing on $ϕ^4$ scalar theory truncated at three loops. We present numerical results for quantities such as the occupation number, the thermal mass, and the number density. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_17668 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Isotropization in heavy ion collisions in the 2PI formalism Gelis, Francois Nuclear Theory High Energy Physics - Phenomenology An important question in heavy-ion collisions is how the initial far-from-equilibrium medium evolves and thermalizes while it undergoes a rapid longitudinal expansion. In this presentation, we show how to use the two-particle irreducible (2PI) effective action to address this question, focusing on $ϕ^4$ scalar theory truncated at three loops. We present numerical results for quantities such as the occupation number, the thermal mass, and the number density. |
| title | Isotropization in heavy ion collisions in the 2PI formalism |
| topic | Nuclear Theory High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2509.17668 |