由Dyson-Schwinger方程导出的QCD状态方程

Proceedings of FAIR next generation scientists - 7th Edition Workshop — PoS(FAIRness2022) Pub Date : 2023-01-26 DOI:10.22323/1.419.0024

Philipp Isserstedt, C. Fischer, T. Steinert

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引用次数: 0

摘要

在这篇贡献中，我们总结了一种截断无关的方法来计算非微扰泛函方法中的状态方程。在证明了该方法的可行性后，将该方法应用于(2+1)-味QCD的夸克和胶子传播子的一组截断Dyson-Schwinger方程的解，以获得强相互作用物质相图上的热力学量。

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QCD’s equation of state from Dyson-Schwinger equations

In this contribution, we summarize a truncation-independent method to compute the equation of state within nonperturbative functional approaches. After demonstrating its viability, the method is applied to solutions obtained from a set of truncated Dyson-Schwinger equations for the quark and gluon propagators of (2+1)-flavor QCD to obtain thermodynamic quantities across the phase diagram of strong-interaction matter.

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Proceedings of FAIR next generation scientists - 7th Edition Workshop — PoS(FAIRness2022)

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