Article
Physics, Particles & Fields
Alberto Castellano, Alvaro Herraez, Luis E. Ibanez
Summary: By studying the EFT, we have found a correlation between the UV and IR cut-offs, and proposed an algorithm to calculate the UV cut-off in the case of multiple towers becoming light. By identifying the IR cut-off with a curvature in AdS, we reproduce the ADC and obtain a lower bound on the alpha exponent. We also discuss the CKN constraint and analyze a specific class of IIA orientifold models.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Particles & Fields
Max Brinkmann, Michele Cicoli, Giuseppe Dibitetto, Francisco G. Pedro
Summary: This study investigates the consistency of embedding quintessence models within gravity coupled to two scalar fields in string theory. The results show difficulties in finding trajectories compatible with cosmological parameters, but universal trajectories may be compatible if the starting point is a phase of kinetic domination. However, justifying the choice of initial conditions remains challenging.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Review
Physics, Multidisciplinary
Marieke van Beest, Jose Calderon-Infante, Delaram Mirfendereski, Irene Valenzuela
Summary: The Swampland program aims to determine the constraints that must be satisfied by an effective field theory to be consistent with a UV embedding in a quantum gravity theory. This article provides a pedagogical introduction to the most important Swampland conjectures, their connections, and their realization in string theory compactifications.
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS
(2022)
Article
Physics, Particles & Fields
Miguel Montero, Cumrun Vafa, Irene Valenzuela
Summary: Based on the principles from the Swampland program and observational data, researchers have made unique predictions about quantum gravity, including the existence of a light Higgs field, an extra mesoscopic dimension, and corresponding mass and energy scales.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Astronomy & Astrophysics
Alon E. Faraggi
Summary: The Swampland Program addresses the ultraviolet complete embedding of effective field theory models of quantum gravity in string theory. It compares the bottom-up approach of investigating quantum gravity with the top-down approach focusing on string-theory dualities and symmetries. Mirror symmetry and spinor-vector duality are key examples of the latter, revealing the constraints and influences of string theory on effective field theory representations of quantum gravity.
Article
Astronomy & Astrophysics
Tom Rudelius
Summary: Constraints on scalar field potentials and light massive states in asymptotic limits of scalar field space are correlated with defining asymptotic observables in expanding cosmologies, which could shed light on the swampland program and the weak gravity conjecture in cosmology.
Article
Physics, Particles & Fields
Yixuan Li
Summary: The study reveals a connection between the scaling limit of microstate geometries and the Swampland Distance Conjecture. The naive extension of the Distance Conjecture suggests that the length of the throat determines the distance between points in moduli space.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Astronomy & Astrophysics
Julian Freigang, Dieter Luest, Guo-En Nian, Marco Scalisi
Summary: This study examines the validity of the Swampland Distance Conjecture on prototype geometries of infinite distance limits of Calabi-Yau compactifications and finds that field trajectories leading to cosmic acceleration and featuring rapid turns near the boundary of the moduli space exist in the Swampland. This has significant implications for the realization and consistency of multi-field scenarios in string theory.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2023)
Article
Physics, Particles & Fields
Cody Long, Miguel Montero, Cumrun Vafa, Irene Valenzuela
Summary: In this paper, we study the desert scenario in the moduli space of supergravity theories, and relate the number of massless modes to the black hole species problem. We find that a consistent sub-Planckian UV cutoff, known as the species scale, can resolve the black hole species problem without imposing a bound on the number of light modes. However, in the context of supersymmetric string vacua, we observe a stronger dependence of the cutoff scale on the number of massless modes due to the presence of BPS states.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Physics, Particles & Fields
Peng Cheng, Ruben Minasian, Stefan Theisen
Summary: We revisit the relation between anomalies in four and six dimensions and the Chern-Simons couplings one dimension below. We argue that the existence of an anomaly cancellation mechanism is a necessary condition for liftability. In addition, the anomaly cancellation and the CS couplings in higher dimensions determine important properties of string-like BPS objects and can be used to impose bounds on admissible theories.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Multidisciplinary
Michele Cicoli, Francesc Cunillera, Antonio Padilla, Francisco G. Pedro
Summary: This article provides evidence that slow roll is not possible in any parametrically controlled regime of the moduli space in string theory. Our results suggest that in order to incorporate quintessence into string theory, it is necessary to work in the interior of the moduli space where numerical control can still be achieved, even if not parametric control.
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS
(2022)
Article
Physics, Particles & Fields
Yuta Hamada, Cumrun Vafa
Summary: By studying consistency conditions on worldvolume theory of 3-brane probes, we strengthen Swampland constraints on 8d supergravity theories, leading to strict restrictions on compact internal geometry, gauge algebra, and higher derivative terms. These results provide further evidence for the string lamppost principle in 8d with 16 supercharges.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Arthur Hebecker, Simon Schreyer, Gerben Venken
Summary: Alpha'(2) curvature corrections to the NS5-brane action can dramatically alter the KPV analysis, requiring a large S-3 radius to recover the leading-order KPV potential. These corrections lower the tension of the brane, potentially achieving a small uplift through tuning of curvature corrections.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Astronomy & Astrophysics
Eduardo Gonzalo, Luis E. Ibanez, Irene Valenzuela
Summary: This study examines the constraints on D-dimensional theories in M-D, dS(D) and AdS(D) backgrounds in the context of AdS swampland conjectures, particularly focusing on the non-SUSY AdS instability conjecture and the AdS distance conjecture. The results suggest the importance of the light fermion conjecture for M-D and dS(D) vacua, indicating the presence of a surplus of light fermions in certain conditions.
Article
Physics, Particles & Fields
Fien Apers, Joseph P. Conlon, Martin Mosny, Filippo Revello
Summary: We study runaway, kination-dominated epochs in string cosmology. We show that the classical decompactification runaway of the volume modulus in four dimensions can be uplifted to a classical Kasner solution in ten dimensions, where the non-compact dimensions collapse towards a Big Crunch. This result can be extended to arbitrary spacetime and compactification dimensions. We also discuss the modifications introduced by quantum effects and emphasize the necessity of both dynamical and kinematical Swampland constraints.
JOURNAL OF HIGH ENERGY PHYSICS
(2023)
Article
Astronomy & Astrophysics
David Kraljic, Markus Rummel, Joseph P. Conlon
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2015)
Article
Astronomy & Astrophysics
Joseph P. Conlon, Andrew J. Powell
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2015)
Article
Astronomy & Astrophysics
Pedro D. Alvarez, Joseph P. Conlon, Francesca V. Day, M. C. David Marsh, Markus Rummel
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2015)
Article
Physics, Particles & Fields
Joseph P. Conlon, Sven Krippendorf
JOURNAL OF HIGH ENERGY PHYSICS
(2016)
Article
Astronomy & Astrophysics
Linhan Chen, Joseph P. Conlon
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2018)
Article
Astronomy & Astrophysics
Joseph P. Conlon
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2018)
Article
Astronomy & Astrophysics
Joseph P. Conlon, Francesca V. Day
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2014)
Article
Astronomy & Astrophysics
Stephen Angus, Joseph P. Conlon, M. C. David Marsh, Andrew J. Powell, Lukas T. Witkowski
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2014)
Article
Astronomy & Astrophysics
Joseph P. Conlon, Markus Rummel
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
(2019)
Article
Physics, Particles & Fields
Joseph P. Conlon, Fernando Quevedo
JOURNAL OF HIGH ENERGY PHYSICS
(2019)
Article
Physics, Particles & Fields
Joseph P. Conlon, Sirui Ning, Filippo Revello
Summary: This study extends the research on holographic aspects of moduli stabilisation scenarios to both fibred versions of LVS and the type IIA DGKT flux vacua. The holographic properties of the low-energy moduli Lagrangian that describes different vacuum situations are examined. For type IIA vacua in the large-volume regime, the CFT data has a universal form independent of flux choices, and the conformal dimensions of the dual operators are also all integers. The fibred models also allow for cases of mixed double-trace operators with positive anomalous dimension, which is different from previous findings.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Astronomy & Astrophysics
Fien Apers, Joseph P. Conlon, Sirui Ning, Filippo Revello
Summary: We provide a concise argument that supersymmetric anti-de Sitter type IIA DeWolfe-Giryavets-Kachru-Taylor flux vacua on general Calabi-Yau's have, when interpreted holographically, integer conformal dimensions for low-lying scalar primaries in the dual conformal field theory. These integers are independent of any compactification details.
Article
Astronomy & Astrophysics
Marcus Berg, Joseph P. Conlon, Francesca Day, Nicholas Jennings, Sven Krippendorf, Andrew J. Powell, Markus Rummel
ASTROPHYSICAL JOURNAL
(2017)
Article
Astronomy & Astrophysics
Joseph P. Conlon, Andrew J. Powell, M. C. David Marsh