Equal-Time Commutators and Equations of Motion for Current Densities in a Renormalizable Field-Theory Model

1969 ◽  
Vol 188 (5) ◽  
pp. 2404-2415 ◽  
Author(s):  
Wu-Ki Tung
Author(s):  
Antti J. Harju ◽  
Jouko Mickelsson

AbstractTwisted K-theory on a manifold X, with twisting in the 3rd integral cohomology, is discussed in the case when X is a product of a circle and a manifold M. The twist is assumed to be decomposable as a cup product of the basic integral one form on and an integral class in H2(M,ℤ). This case was studied some time ago by V. Mathai, R. Melrose, and I.M. Singer. Our aim is to give an explicit construction for the twisted K-theory classes using a quantum field theory model, in the same spirit as the supersymmetric Wess-Zumino-Witten model is used for constructing (equivariant) twisted K-theory classes on compact Lie groups.


1995 ◽  
Vol 361 (1-4) ◽  
pp. 74-80 ◽  
Author(s):  
A.N. Ivanov ◽  
N.I. Troitskaya ◽  
M. Faber ◽  
H. Oberhummer

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