Role of Four-Quark Condensates in QCD Sum Rules
R. Thomas, T. Hilger, B. Kampfer
TL;DR
This paper examines how four-quark condensates influence QCD sum rules for various hadrons, highlighting their role in understanding in-medium hadron behavior and spontaneous symmetry breaking.
Contribution
It provides a detailed analysis of four-quark condensates' impact on QCD sum rules for omega meson, nucleon, and D meson, emphasizing their significance as order parameters.
Findings
Four-quark condensates significantly affect in-medium hadron properties.
The study clarifies the role of four-quark condensates in spontaneous symmetry breaking.
Implications for understanding QCD phase transitions.
Abstract
The QCD sum rule approach to the in-medium behavior of hadrons is discussed for omega meson, nucleon and D meson. Emphasis is devoted to the impact of four-quark condensates and to order parameters of spontaneous symmetry breaking.
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