Valencia Villegas Juan Mauricio

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  PhD Student

Research Avisor: Sergey Mironov

My research interests include mathematical aspects of modifications to Einstein gravity for early and late time cosmology. In particular, I currently work with degenerate scalar tensor theories (DHOST), subluminal and luminal cases, as well as the issues with UV completions.

Selected publications:

1. Mironov, S.; Valencia-Villegas, M. (2023). "Stability of nonsingular Cosmologies in Galileons with Torsion. A No-Go for eternal subluminality". arXiv: 2307.06929 [hep-th].

2. Mironov, S.; Valencia-Villegas, M. (2023). "Quartic Horndeski Cartan theories in a FLRW Universe". Physical Review D. 108 (2023) 2, 024057. arXiv: 2304.04722 [hep-th]. doi: 10.1103/PhysRevD.108.024057.

3. Lopez-Sarrion, J.; Valencia Villegas M. (2023). "Ghost condensation and subluminal propagation on low derivative backgrounds". doi: 10.1088/1402-4896/acc48d.

Publications affiliated with ITMP:

1.  Mironov, S.; Valencia-Villegas, M. (2023). "Quartic Horndeski Cartan theories in a FLRW Universe". Physical Review D. 108 (2023) 2, 024057. arXiv: 2304.04722 [hep-th]. doi: 10.1103/PhysRevD.108.024057.
2. Mironov, S.; Valencia-Villegas, M. (2023). "Stability of nonsingular Cosmologies in Galileons with Torsion. A No-Go for eternal subluminality". arXiv: 2307.06929 [hep-th]. doi: 10.1103/PhysRevD.109.044073.

All publications