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arXiv:hep-th/0312160 · Journal of High Energy Physics

Two-Point Functions and Logarithmic Boundary Operators in Boundary Logarithmic Conformal Field Theories

Yukitaka Ishimoto

Published Aug 21, 2004• 3 citations
arXivHTMLPDF
DOI
10.1088/1126-6708/2004/08/039

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For some time now, conformal field theories in two dimensions have been studied as integrable systems. Much of the success of these studies is related to the existence of an operator algebra of the theory. In this paper, some of the extensions of this machinery to the logarithmic case are studied and used. More precisely, from M\"obius symmetry constraints, the generic three- and four-point functions of logarithmic quasiprimary fields are calculated in closed form for arbitrary Jordan rank. As an example, c=0c=0c=0 disordered systems with nondegenerate vacua are studied. With the aid of two-, three-, and four-point functions, the operator algebra is obtained and associativity of the algebra studied.
A bstract We propose a method to challenge the calculation of genus- g , bulk n -point, b -boundary, c -crosscap correlation functions with x boundary operators Fg,n,b,cx {\mathcal{F}}_{g,n,b,c}^x Fg,n,b,cx​ F g , n , b , c x in two-dimensional conformal field theories (CFT 2 ). We show that Fg,n,b,cx {\mathcal{F}}_{g,n,b,c}^x Fg,n,b,cx​ F g , n , b , c x are infinite linear combinations of genus- g , bulk ( n + b + c )-point functions F g , ( n + b + c ) , and try to obtain the linear coefficients in this work. We show the existence of a single pole structure in the linear coefficients at degenerate limits. A practical method to obtain the infinite linear coefficients is the free field realizations of Ishibashi states. We review the results in Virasoro minimal models M \mathcal{M} M M ( p, p ′) and extend it to the N = 1 minimal models SM \mathcal{SM} SM SM ( p, p ′).