2 papers
hep-ph2004
Anharmonic O(N) oscillator model in next-to-leading order of the 1/N expansion
Alan Dzhioev, J. Wambach, A. Vdovin +1
An extended Holstein-Primakoff mapping which incorporates both single- and double boson mappings is used in the context of O(N+1) anharmonic oscillator with the global symmetry bro…
nucl-th2000
In-medium Pion-Pion Interaction and Chiral Symmetry Restoration
D. Davesne, Y. J. Zhang, G. Chanfray +1
We discuss medium modifications of the unitarized pion-pion interaction in the nuclear medium. We incorporate both the effects of chiral symmetry restoration and the influence of c…