@article{Wiese:2009cr, author = "Wiese, Uwe-Jens", title = "{Rotor Spectra, Berry Phases, and Monopole Fields: from Antiferromagnets to QCD }", doi = "10.22323/1.066.0004", journal = "PoS", year = 2009, volume = "LATTICE 2008", pages = "004" }