Equation of state of QCD at finite chemical potential from an alternative expansion scheme

Paolo Parotto; Szabolcs Borsányi; Zoltan Fodor; Jana N. Guenther; Ruben Kara; Sandor D. Katz; Attila Pásztor; Claudia Ratti; Kalman K. Szabó

Equation of state of QCD at finite chemical potential from an alternative expansion scheme

Paolo Parotto, Szabolcs Borsányi, Zoltan Fodor, Jana N. Guenther, Ruben Kara, Sandor D. Katz, Attila Pásztor, Claudia Ratti, Kalman K. Szabó

Physics

Research output: Contribution to journal › Conference article › peer-review

Abstract

The equation of state of Quantum Chromodynamics (QCD) at finite density is currently known only in a limited range in the baryon chemical potential µB. This is due to fundamental shortcomings of traditional methods such as Taylor expansion around µ_B = 0. In this contribution, we present an alternative scheme [1] that displays substantially improved convergence over the Taylor expansion method. We calculate the alternative expansion coefficients in the continuum, and show our results for the thermodynamic observables up to µ_B/T ≤ 3.5.

Original language	English (US)
Article number	460
Journal	Proceedings of Science
Volume	396
State	Published - Jul 8 2022
Event	38th International Symposium on Lattice Field Theory, LATTICE 2021 - Virtual, Online, United States Duration: Jul 26 2021 → Jul 30 2021

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Cite this

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title = "Equation of state of QCD at finite chemical potential from an alternative expansion scheme",

abstract = "The equation of state of Quantum Chromodynamics (QCD) at finite density is currently known only in a limited range in the baryon chemical potential µB. This is due to fundamental shortcomings of traditional methods such as Taylor expansion around µB = 0. In this contribution, we present an alternative scheme [1] that displays substantially improved convergence over the Taylor expansion method. We calculate the alternative expansion coefficients in the continuum, and show our results for the thermodynamic observables up to µB/T ≤ 3.5.",

author = "Paolo Parotto and Szabolcs Bors{\'a}nyi and Zoltan Fodor and Guenther, {Jana N.} and Ruben Kara and Katz, {Sandor D.} and Attila P{\'a}sztor and Claudia Ratti and Szab{\'o}, {Kalman K.}",

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T1 - Equation of state of QCD at finite chemical potential from an alternative expansion scheme

AU - Parotto, Paolo

AU - Borsányi, Szabolcs

AU - Fodor, Zoltan

AU - Guenther, Jana N.

AU - Kara, Ruben

AU - Katz, Sandor D.

AU - Pásztor, Attila

AU - Ratti, Claudia

AU - Szabó, Kalman K.

N1 - Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)

PY - 2022/7/8

Y1 - 2022/7/8

N2 - The equation of state of Quantum Chromodynamics (QCD) at finite density is currently known only in a limited range in the baryon chemical potential µB. This is due to fundamental shortcomings of traditional methods such as Taylor expansion around µB = 0. In this contribution, we present an alternative scheme [1] that displays substantially improved convergence over the Taylor expansion method. We calculate the alternative expansion coefficients in the continuum, and show our results for the thermodynamic observables up to µB/T ≤ 3.5.

AB - The equation of state of Quantum Chromodynamics (QCD) at finite density is currently known only in a limited range in the baryon chemical potential µB. This is due to fundamental shortcomings of traditional methods such as Taylor expansion around µB = 0. In this contribution, we present an alternative scheme [1] that displays substantially improved convergence over the Taylor expansion method. We calculate the alternative expansion coefficients in the continuum, and show our results for the thermodynamic observables up to µB/T ≤ 3.5.

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M3 - Conference article

AN - SCOPUS:85134435128

SN - 1824-8039

VL - 396

JO - Proceedings of Science

JF - Proceedings of Science

M1 - 460

T2 - 38th International Symposium on Lattice Field Theory, LATTICE 2021

Y2 - 26 July 2021 through 30 July 2021

ER -

Equation of state of QCD at finite chemical potential from an alternative expansion scheme

Abstract

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