RAMOND SECTOR CHARACTERS AND N = 2 LANDAU-GINZBURG MODELS

被引:23
作者
DIFRANCESCO, P [1 ]
YANKIELOWICZ, S [1 ]
机构
[1] TEL AVIV UNIV,BEVERLY & RAYMOND SACKLER FAC EXACT SCI,SCH PHYS & ASTRON,IL-69978 TEL AVIV,ISRAEL
关键词
D O I
10.1016/0550-3213(93)90452-U
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We give a direct proof of the new ''product'' expression for the Ramond sector characters of N = 2 minimal models recently suggested by Witten. Our construction allows us to generalize these expressions to the D and E series of N = 2 minimal models, as well as to other N = 2 Kazama-Suzuki coset models such as SU(N) x SO(2(N - 1))/SU(N - 1) x U(1). We verify that these expressions indeed coincide with the corresponding Landau-Ginzburg ''elliptic genus'', a certain topologically invariant twisted path integral with the effective Landau-Ginzburg action, which we obtain by using Witten's method. We indicate how our approach may be used to construct (or rule out) possible Landau-Ginzburg potentials for describing other N = 2 superconformal theories.
引用
收藏
页码:186 / 210
页数:25
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