2024
DOI: 10.4310/bpam.2024.v1.n1.a1
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Moduli-dependent species scale

Damian van de Heisteeg,
Cumrun Vafa,
Max Wiesner
et al.

Abstract: The counting of the number of light modes in a gravitational theory is captured by the notion of the 'species scale', which serves as an effective UV cutoff below the Planck scale. We propose to define a moduli-dependent species scale in the context of 4d, N = 2 theories, using the one loop topological free energy F 1 , which we relate to a gravitational version of the a-function. This leads to Λ sp ∼ 1 √ F1 from which we recover the expected scaling of the species scale in various corners of the moduli space.… Show more

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Cited by 8 publications
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References 39 publications
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