Chromoelectric flux tubes and coherence length in QCD
Paolo Cea, Leonardo Cosmai, Alessandro Papa
TL;DR
This paper investigates the structure of chromoelectric flux tubes in SU(2) and SU(3) gauge theories by applying a superconductivity analogy to extract key physical parameters like penetration and coherence lengths.
Contribution
It introduces a variational ansatz based on superconductivity analogy to analyze flux tube profiles in pure gauge theories, providing a new method for parameter extraction.
Findings
Determined penetration lengths and coherence lengths of flux tubes.
Established a superconductivity analogy for QCD flux tube analysis.
Provided insights into the structure of chromoelectric flux tubes.
Abstract
The transverse profile of the chromoelectric flux tubes in SU(2) and SU(3) pure gauge theories is analyzed by a simple variational ansatz using a strict analogy with ordinary superconductivity. Our method allows to extract the penetration length and the coherence length of the flux tube.
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