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hep-ph2000
Effective Quark Models in QCD at low and intermediate energies
A. A. Andrianov, V. A. Andrianov, D. Espriu +1
The effective quark models are employed to describe the hadronization of QCD in the quark sector. They reveal a different structure depending on how the spontaneous chiral symmetry…
quant-ph2000
Triviality of GHZ operators of higher spin
J. Savinien, J. Taron, R. Tarrach
We prove that local observables of the set of GHZ operators for particles of spin higher than 1/2 reduce to direct sums of the spin 1/2 operators , and, therefore, no ne…