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Moduli Dependent Spectra of Heterotic Compactifications | | Ron Donagi
; Yang-Hui He
; Burt A. Ovrut
; Rene Reinbacher
; | | Date: |
31 Mar 2004 | | Journal: | Phys.Lett. B598 (2004) 279-284 | | Subject: | High Energy Physics - Theory; Algebraic Geometry | hep-th math.AG | | Abstract: | Explicit methods are presented for computing the cohomology of stable, holomorphic vector bundles on elliptically fibered Calabi-Yau threefolds. The complete particle spectrum of the low-energy, four-dimensional theory is specified by the dimensions of specific cohomology groups. The spectrum is shown to depend on the choice of vector bundle moduli, jumping up from a generic minimal result to attain many higher values on subspaces of co-dimension one or higher in the moduli space. An explicit example is presented within the context of a heterotic vacuum corresponding to an SU(5) GUT in four-dimensions. | | Source: | arXiv, hep-th/0403291 | | Services: | Forum | Review | PDF | Favorites | |
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