Results 111 to 120 of about 585,623 (249)
Fortschritte der Physik, Volume 67, Issue 1-2, January-February 2019., 2019 Abstract We consider flux compactification of type II string theory with local sources on SU(3)‐structure manifolds. By adding pseudo‐calibrated anti‐‐branes wrapped on supersymmetric cycles we generalize all existing models so that the effective , supergravity now includes a nilpotent multiplet. We present a new dictionary between string theory models
Renata Kallosh, Timm Wrase
wiley +1 more source
Eddington-Born-Infeld action for dark energy and dark matter
, 2013 We argue that Einstein gravity coupled to a Born-Infeld theory provides an attractive candidate to represent dark matter and dark energy. For cosmological models, the Born-Infeld field has an equation of state which interpolates between matter, w=0 ...
A. S. Eddington +6 more
core +1 more source
Born-Infeld-type gravity [PDF]
Physical Review D, 2005 Generalizations of gravitational Born-Infeld type lagrangians are investigated. Phenomenological constraints (reduction to Einstein-Hilbert action for small curvature, spin two ghost freedom and absence of Coulomb like Schwarschild singularity) select one effective lagrangian whose dynamics is dictated by the tensors g_{μν} and R_{μνρσ}(not R_{μν} or ...
openaire +2 more sources
Double Copy From Tensor Products of Metric BV■‐Algebras
Fortschritte der Physik, Volume 73, Issue 1-2, February 2025.Abstract Field theories with kinematic Lie algebras, such as field theories featuring color–kinematics duality, possess an underlying algebraic structure known as BV■‐algebra. If, additionally, matter fields are present, this structure is supplemented by a module for the BV■‐algebra.
Leron Borsten +5 more
wiley +1 more source
Steady States, Thermal Physics, and Holography
Advances in High Energy Physics, Volume 2019, Issue 1, 2019., 2019 It is well known that a Rindler observer measures a nontrivial energy flux, resulting in a thermal description in an otherwise Minkowski vacuum. For systems consisting of large number of degrees of freedom, it is natural to isolate a small subset of them and engineer a steady state configuration in which these degrees of freedom act as Rindler ...
Arnab Kundu, Cynthia Keeler
wiley +1 more source
Fluctuation Spectra of Tilted and Intersecting D-branes from the Born-Infeld Action
, 1997 We consider the spectra of excitations around diagonal and intersecting D-brane configurations on tori. These configurations are described by constant curvature connections in a dual gauge theory description. The low-energy string fluctuation spectrum is
Abouelsaood +24 more
core +1 more source
A duality for prescribed mean curvature graphs in Riemannian and Lorentzian Killing submersions
Mathematische Nachrichten, Volume 297, Issue 5, Page 1581-1600, May 2024.Abstract We develop a conformal duality for space‐like graphs in Riemannian and Lorentzian three‐manifolds that admit a Riemannian submersion over a Riemannian surface whose fibers are the integral curves of a Killing vector field, which is time‐like in the Lorentzian case.
Andrea Del Prete +2 more
wiley +1 more source
Probing Palatini-type gravity theories through gravitational wave detections via quasinormal modes
European Physical Journal C: Particles and Fields, 2019 The possibility of testing gravity theories with the help of gravitational wave detections has become an interesting arena of recent research.
Che-Yu Chen +2 more
doaj +1 more source
Extended Born-Infeld dynamics and cosmology [PDF]
Physical Review D, 2005 We introduce an extension of the Born-Infeld action for a scalar field and show that it can act as unifying-dark-matter, providing an explanation for both structure formation and the accelerated expansion of the universe. We investigate the cosmological dynamics of this theory in a particular case, referred as the "Milne-Born-Infeld" (MBI) Lagrangian ...
Novello, M. +3 more
openaire +2 more sources
A non-abelian analogue of DBI from $T \overline{T}$
SciPost Physics, 2020 The Dirac action describes the physics of the Nambu-Goldstone scalars found on branes. The Born-Infeld action defines a non-linear theory of electrodynamics. The combined Dirac-Born-Infeld (DBI) action describes the leading interactions supported on a
T. Daniel Brennan, Christian Ferko, Savdeep Sethi
doaj +1 more source