ON THE ALGEBRAIC STRUCTURE OF GRAVITATIONAL DESCENDANTS IN CP(N-1) COSET MODELS

被引：3

作者：

LERCHE, W ^{[1
]}

WARNER, NP ^{[1
]}

机构：

[1] UNIV SO CALIF, DEPT PHYS, LOS ANGELES, CA 90089 USA

来源：

PHYSICS LETTERS B | 1995年 / 343卷 / 1-4期

关键词：

D O I：

10.1016/0370-2693(94)01440-N

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate how specific free-field realizations of twisted N = 2 supersymmetric coset models give rise to natural extensions of the ''matter'' Hilbert spaces in such a manner as to incorporate the various gravitational excitations. In particular, we show that adopting a particular screening prescription is equivalent to imposing the requisite equivariance condition on cohomology. We find a simple algebraic characterization of the W-n-gravitational ground ring spectra of these theories in terms of affine-SU(n) highest weights.

引用

页码：87 / 93

页数：7

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