Spontaneous compactification with quadratic and cubic curvature terms

Details Spontaneous compactification with quadratic and cubic curvature terms Spontaneous compactification with quadratic and cubic curvature terms

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phlb..163..106m&link_type=abstract

Physics Letters B, Volume 163, Issue 1-4, p. 106-110.

Physics

116

Scientific paper

Certain curvature squared terms, which supplement the Einstein action in the low energy limit of string theories, allow for spontaneous compactification to R(1,3) × Sn, n>=4. A cosmological constant in N = 4 + n dimensions is necessary. This is no longer the case if we add certain cubic curvature terms to the lagrangian. Solutions in N >= 10 dimensions are obtained. The field equations considered contain at most second derivatives of the metric.

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