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916 papers · 1 filter
Heterotic Ouroboros
Chiara Altavista, Salvatore Raucci, Angel M. Uranga +1
M-theory on has recently been proposed to yield, via quotients, ten-dimensional non-supersymmetric string theories. We revisit the construction t…
The Knizhnik--Zamolodchikov structure of lattice BFKL evolution and the twist-two anomalous dimension
Josep Rubí Bort, Agustín Sabio Vera, Eduardo Serna Campillo
We study a lattice regularization of the BFKL evolution, showing its bulk dynamics is governed by an abelian Knizhnik--Zamolodchikov equation. The Hamiltonian combines long-range h…
Maxwell Chern-Simons gravity in 3D: Thermodynamics of cosmological solutions and black holes with torsion
Luis Avilés, Patrick Concha, Javier Matulich +2
We construct generalized sets of asymptotic conditions for both three-dimensional Maxwell Chern-Simons gravity and a novel extension that incorporates torsion through a deformation…
AdS vacua of non-supersymmetric strings
Salvatore Raucci, Alessandro Tomasiello
Few vacua are known for the three tachyon-free non-supersymmetric string theories. We find new classes of AdS backgrounds by focusing on spaces where the equations of motion reduce…
Aspects of strings without spacetime supersymmetry
Giorgio Leone, Salvatore Raucci
String theory relies on spacetime supersymmetry to guarantee the existence of stable vacua. In this review, we survey two features of non-supersymmetric strings that challenge both…
A new scale anomaly in Dirac matter
Matteo Baggioli, Maxim N. Chernodub, Karl Landsteiner +2
The dynamics of Dirac semimetals is modeled at low energies by the massless Dirac Hamiltonian with the Fermi velocity replacing the velocity of light. The classical action is scale…