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Equation of State of Cold Quark Matter to $O(\alpha_s^3 \ln \alpha_s)$

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arxiv 2307.08734 v2 pith:347YTV4Y submitted 2023-07-17 hep-ph astro-ph.HEnucl-th

Tyler Gorda , Risto Paatelainen , Saga Säppi , Kaapo Seppänen This is my paper
classification hep-phastro-ph.HEnucl-th
keywords alphamatterquarkcoldconstantequationn3losector
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abstract

Accurately understanding the equation of state (EOS) of high-density, zero-temperature quark matter plays an essential role in constraining the behavior of dense strongly interacting matter inside the cores of neutron stars. In this Letter, we study the weak-coupling expansion of the EOS of cold quark matter and derive the complete, gauge-invariant contributions from the long-wavelength, dynamically screened gluonic sector at next-to-next-to-next-to-leading order (N3LO) in the strong coupling constant $\alpha_s$. This elevates the EOS result to the $O(\alpha_s^3 \ln \alpha_s)$ level, leaving only one unknown constant from the unscreened sector at N3LO, and places it on par with its high-temperature counterpart from 2003.

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Cited by 4 Pith papers

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

  1. Locating the QCD critical point with neutron-star observations

    astro-ph.HE 2025-06 conditional novelty 6.0 of 10

    Bayesian analysis of a hybrid holographic EOS with neutron-star constraints locates the QCD critical endpoint at μ≈626 MeV and T≈119 MeV and predicts a strong first-order deconfinement transition at zero temperature.

  2. Updated Astrophysical Equation-of-State Constraints on the Color-Superconducting Gap

    hep-ph 2025-08 accept novelty 5.0 of 10

    New NICER data plus a two-GP Bayesian analysis confirm the astrophysical upper bound on the CFL color-superconducting gap for baryon chemical potentials from 2.1 to 3.2 GeV.

  3. Coherent State Path Integral Reveals Unexpected Vacuum Structure in Thermal Field Theory

    hep-th 2025-07 reject novelty 3.0 of 10

    A coherent-state derivation of the thermal partition function yields extra vacuum and mass-coupling terms that the authors claim are novel, though these terms reflect the chosen operator ordering.

  4. Toward a Unified Understanding of the Dense Matter Equation of State

    nucl-th 2025-11 conditional novelty 2.0 of 10

    A review of three Bayesian/computational frameworks for combining heavy-ion and astrophysical constraints on the dense-matter equation of state, plus a proposed unified integration workflow.

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