Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP04(2010)061
Keywords
Field Theories in Lower Dimensions; Conformal and W Symmetry; Boundary Quantum Field Theory
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Funding
- Bulgarian NSF [DO 02-257]
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The OPE of local operators in the presence of defect lines is considered both in the rational CFT and the c > 25 Virasoro (Liouville) theory. The duality transformation of the 4-point function with inserted defect operators is explicitly computed. The two channels of the correlator reproduce the expectation values of the Wilson and 't Hooft operators, recently discussed in Liouville theory in relation to the AGT conjecture.
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