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nucl-th2008
Property of the low-lying states at the critical point of the phase transition in U(4) vibron model
Ze-bo Li, Xia-ping Tang, Yu Zhang +3
We study the properties of the low-lying states at the critical point of the phase transition from U(3) to O(4) symmetry in the U(4) vibron model in detail. By analyzing the genera…
hep-ph2008★ 16 cited
Revisiting the Vector and Axial-vector Vacuum Susceptibilities
Lei Chang, Yu-xin Liu, Wei-min Sun +1
We re-investigate the vector and axial-vector vacuum susceptibilities by taking advantage of the vector and axial-vector Ward-Takahashi identities. We show analytically that, in th…