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4 papers · 1 filter
The Measure of Strong CP Violation
Zheng Huang
We investigate a controversial issue on the measure of CP violation in strong in teractions. In the presence of nontrivial topological gauge configurations, the -term in QCD has…
On the Anomalous Discrete Symmetry
Zheng Huang
We examine an interesting scenario to solve the domain wall problem recently suggested by Preskill, Trivedi, Wilczek and Wise. The effective potential is calculated in the presence…
Comments on the Vacuum Orientations in QCD
Zheng Huang, K. S. Viswanathan, D. D. Wu
We study the QCD vacuum orientation angles in correlation with the strong CP phases. A vacuum alignment equation of the dynamical chiral symmetry breaking is derived based on the a…
Uniformization and the diversity of Whitehead groups
Paul C. Eklof, Alan H. Mekler, Saharon Shelah
The connections between Whitehead groups and uniformization properties were investigated by the third author in [Sh:98]. In particular it was essentially shown there that there is…