Physical Review D
We discuss some general properties of heterotic conformal field theory in which conformal anomalies c are different for the left-moving and right-moving sectors. It is precisely this type of theory that can be applied immediately to the construction of heterotic string theory. We discuss a general way of constructing such a theory using free fermions. The construction is then applied to generalize Gepner's construction of superstring solutions using the tensor products of N=2 superconformal field theories.
Chang, D., Gangopadhyaya, A., Kumar, A., and Wang, J. (1990). Heterotic conformal field theory and Gepner's construction. Physical Review D, 42(8), 2694-2703.
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© American Physical Society, 1990.
Author Posting. © American Physical Society, 1990. This article is posted here by permission of American Physical Society for personal use, not for redistribution. It was published in Physical Review D, Vol. 42, No. 8, (1990). http://dx.doi.org/10.1103/PhysRevD.42.2694