Chromoelectric flux tubes and coherence length in QCD [PDF]
Paolo Cea, Leonardo Cosmai, Alessandro PapaThe 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.View original: http://arxiv.org/abs/1208.1362
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