TY - JOUR
T1 - On six dimensional "gauge" theories with irrational theta angle
AU - Kol, Barak
PY - 1999
Y1 - 1999
N2 - A recent proposal for 6d "gauge" theories with rational theta angle is discussed. These theories were constructed from nC coinciding (p, q) 5-branes of IIB in the limit of vanishing string constant. They have (1,1) supersymmetry and the low energy theory is 6d Yang-Mills with gauge group SU(nc) and a rational theta angle θ6/2π = f/q, where fp = 1 (mod q). By changing the point of view, considering the (p, q) 5-branes to be D5-branes, the 6d theta angle is identified with a 10d theta angle. This point of view together with some assumptions suggests a generalization of the previous limit to arbitrary theta. This limit seems to define a decoupled 6d theory even though the 10d theory does not become free in general.
AB - A recent proposal for 6d "gauge" theories with rational theta angle is discussed. These theories were constructed from nC coinciding (p, q) 5-branes of IIB in the limit of vanishing string constant. They have (1,1) supersymmetry and the low energy theory is 6d Yang-Mills with gauge group SU(nc) and a rational theta angle θ6/2π = f/q, where fp = 1 (mod q). By changing the point of view, considering the (p, q) 5-branes to be D5-branes, the 6d theta angle is identified with a 10d theta angle. This point of view together with some assumptions suggests a generalization of the previous limit to arbitrary theta. This limit seems to define a decoupled 6d theory even though the 10d theory does not become free in general.
KW - Brane Dynamics in Gauge Theories
KW - Field Theories in Higher Dimensions
UR - http://www.scopus.com/inward/record.url?scp=33645948497&partnerID=8YFLogxK
U2 - 10.1088/1126-6708/1999/11/017
DO - 10.1088/1126-6708/1999/11/017
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AN - SCOPUS:33645948497
SN - 1029-8479
VL - 3
SP - XXVII-5
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 11
ER -