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Exact solution of Boltzmann equation in a longitudinal expanding system

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arxiv 2311.09575 v2 pith:XACGISEX submitted 2023-11-16 nucl-th hep-ph

Exact solution of Boltzmann equation in a longitudinal expanding system

classification nucl-th hep-ph
keywords exactboltzmannequationsolutionshydrodynamiclongitudinalrelativisticsolution
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Analytical solutions to the microscopic Boltzmann equation are useful in testing the applicability and accuracy of macroscopic hydrodynamic theory. In this work, we present exact solutions of the relativistic Boltzmann equation, based on a new family of exact solutions of the relativistic ideal hydrodynamic equations [Phys. Rev. C 105, L021902].. To the best of our knowledge, this is the first exact solution that allows longitudinal expansion with broken boost invariance.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Modeling $\Lambda$ polarization in Au$+$Au collisions at $\sqrt{s_{\rm NN}}=200$ GeV using relativistic spin hydrodynamics

    nucl-th 2026-05 unverdicted novelty 7.0

    A (1+1+2)D relativistic spin hydrodynamics model with transverse expansion and longitudinal spin acceleration reproduces the observed quadrupole pattern in longitudinal Lambda polarization for Au+Au collisions at 200 GeV.

  2. Maximally Symmetric Boost-Invariant Solutions of the Boltzmann Equation in Foliated Geometries

    hep-th 2025-12 unverdicted novelty 7.0

    A unified exact boost-invariant solution of the relativistic Boltzmann equation is derived for flat, spherical, and hyperbolic foliations of dS3 x R, yielding the new Grozdanov flow on the hyperbolic slicing.

  3. Modeling $\Lambda$ polarization in Au$+$Au collisions at $\sqrt{s_{\rm NN}}=200$ GeV using relativistic spin hydrodynamics

    nucl-th 2026-05 unverdicted novelty 6.0

    A (1+1+2)D spin hydrodynamics model with longitudinal spin acceleration and transverse expansion reproduces the quadrupole pattern in longitudinal Lambda polarization and matches Au+Au data at 200 GeV while predicting...