Entropy for Diquarks in exotic Quark States

Details Entropy for Diquarks in exotic Quark States Entropy for Diquarks in exotic Quark States

2004-08-23

arxiv.org/abs/hep-ph/0408242v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages

Scientific paper

We discuss the quantum state structure on the basis of $SU(3)_c$ for some known exotic quark systems using a model which describes these particular states as highly correlated diquarks and antidiquarks. We are then able to calculate for a single colored diquark a finite von Neumann entropy from the quantum reduced density matrix, from which we explicitly evaluate the likelihood of certain arrangements of quark flavors in a given diquark. These results can be related to some recently experimentally found pentaquark systems as well as a possible model for the scalar mesons.

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