41 citations · 119 across the 9 of their papers we have counts for
9 papers
Kaleidoscopes, Waves and the Prepotential
Rafael Álvarez-García, Fabian Ruehle
Isomorphic flops are topology-changing transitions connecting two diffeomorphic families of Calabi-Yau threefolds. They correspond to the generators of certain Coxeter groups actin…
Harmonic Analysis of the Instanton Prepotential
Rafael Álvarez-García, Fabian Ruehle
Discrete symmetries of Calabi-Yau moduli spaces, generated by isomorphic flops, constrain the instanton expansion of the 4D Type~IIA prepotential. We show that the…
Open Strings and Heterotic Instantons
Rafael Álvarez-García, Christian Kneißl, Jacob M. Leedom +1
Motivated by closed string perturbation theory arguments by S. Shenker, we consider non-perturbative effects of characteristic strength , with th…
Non-minimal Elliptic Threefolds at Infinite Distance II: Asymptotic Physics
Rafael Álvarez-García, Seung-Joo Lee, Timo Weigand
We interpret infinite-distance limits in the complex structure moduli space of F-theory compactifications to six dimensions in the light of general ideas in quantum gravity. The li…
Non-minimal Elliptic Threefolds at Infinite Distance I: Log Calabi-Yau Resolutions
Rafael Álvarez-García, Seung-Joo Lee, Timo Weigand
We study infinite-distance limits in the complex structure moduli space of elliptic Calabi-Yau threefolds. In F-theory compactifications to six dimensions, such limits include infi…
Membrane Limits in Quantum Gravity
Rafael Álvarez-García, Daniel Kläwer, Timo Weigand
It is expected that infinite distance limits in the moduli space of quantum gravity are accompanied by a tower of light states. In view of the emergent string conjecture, this towe…
Analytic Periods via Twisted Symmetric Squares
Rafael Álvarez-García, Lorenz Schlechter
We study the symmetric square of Picard-Fuchs operators of genus one curves and the thereby induced generalized Clausen identities. This allows the computation of analytic expressi…
Swampland Conjectures for an Almost Topological Gravity Theory
Rafael Álvarez-García, Ralph Blumenhagen, Christian Kneissl +2
We analyze AdS and dS swampland conjectures in a three-dimensional higher spin theory with self-interacting matter, which contains conformal gravity and is almost topological. A th…
Small Flux Superpotentials for Type IIB Flux Vacua Close to a Conifold
Rafael Álvarez-García, Ralph Blumenhagen, Max Brinkmann +1
We generalize the recently proposed mechanism by Demirtas, Kim, McAllister and Moritz arXiv:1912.10047 for the explicit construction of type IIB flux vacua with to the…