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Article
Physics, Nuclear
C. A. Escobar et al.
Summary: The study focuses on the dynamics and Hamiltonian analysis of the ModMax nonlinear electrodynamics model, particularly on analyzing the propagation of field discontinuities and deriving the effective Hamiltonian. The research proves the effective Hamiltonian is strictly bounded from below and investigates the existence of nontrivial minima.
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
(2022)
Article
Astronomy & Astrophysics
S. Kruglov
Summary: The study investigates the Generalized ModMax (GenModMax) model of nonlinear electrodynamics coupled to general relativity, obtaining the metric and mass functions of a magnetic black hole and exploring its stability and phase transitions under different model parameters. The research also calculates the Hawking temperature and heat capacity of black holes, showing that black holes are not stable for certain model parameters.
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
(2022)
Article
Astronomy & Astrophysics
H. Babaei-Aghbolagh et al.
Summary: In this letter, we investigate the deformation of the ModMax theory and show that it is the generalized non-linear Born-Infeld electrodynamics. Inspired by the invariance under the flow equation for Born-Infeld theories, we propose a T(T)bar-like operator generating the ModMax and generalized Born-Infeld non-linear electrodynamic theories from the usual Maxwell and Born-Infeld theories, respectively.
Article
Physics, Mathematical
S. Habib Mazharimousavi
Summary: The ModMax model of nonlinear electrodynamics is explored without the linear term, with the linear term being a ModMax model itself but not the nonlinear term; The electromagnetic theory in this NED model is introduced in (3+1)-dimensional Minkowski spacetime, revealing tensor forms of vacuum electric permittivity and magnetic permeability; Finally, coupling the NED Lagrangian density minimally with standard gravity leads to the discovery of a dyonic black hole solution.
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS
(2022)
Article
Physics, Particles & Fields
Stephen Ebert et al.
Summary: This work introduces a manifestly supersymmetric version of the T(bar)T deformation suitable for (0 + 1)-dimensional theories with N = 1 or N = 2 supersymmetry and presents the corresponding f(Q) deformations. Evidence is provided showing the on-shell equivalence between the f(Q) deformations of N = 1 and N = 2 theories and the dimensionally reduced supercurrent-squared deformations of 2d theories with different levels of supersymmetry. Additionally, two forms of the f(Q) deformation in the N = 1 case are discussed and their equivalence is clarified through analogous deformations in the non-supersymmetric setting.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Physics, Multidisciplinary
Christian Ferko et al.
Summary: This paper investigates the relationship between the ModMax theory and its Born-Infeld-like generalization in electrodynamics, and reveals that they are connected by a flow equation driven by a quadratic combination of stress-energy tensors. It is shown that this result generalizes the relationship between the ordinary Born-Infeld Lagrangian and the free Maxwell theory, and it is demonstrated that no similar relationship exists in dimensions other than four. Additionally, the N = 1 supersymmetric version of the ModMax-Born-Infeld theory is found to obey a related supercurrent-squared flow formulated directly in N = 1 superspace.
Article
Physics, Particles & Fields
Riccardo Conti et al.
Summary: This paper considers a one-parameter family of composite fields, which generalize the T(T) operator to arbitrary space-time dimension. It shows that these fields induce a deformation of the classical action equivalent to a field-dependent modification of the background metric tensor. A recursive algorithm is developed to compute the coefficients of the power series expansion of the solution to the metric flow equation, and exact solutions are obtained under certain assumptions. The paper also discusses a specific class of theories in d=4 and their dimensional reduction.
JOURNAL OF HIGH ENERGY PHYSICS
(2022)
Article
Astronomy & Astrophysics
Kurt Lechner et al.
Summary: This article studies the coupling of electrically and magnetically charged sources to the maximally symmetric nonlinear extension of Maxwell's theory called ModMax. The authors find that the Lienard-Wiechert fields induced by a moving electric or magnetic particle, or a dyon, are exact solutions of the ModMax equations of motion, which distinguishes ModMax from generic models of nonlinear electrodynamics. The study also investigates how ModMax nonlinearity affects properties of electromagnetic interactions of charged objects, such as the Lorentz force, the Coulomb law, the Lienard-Wiechert fields, Dirac's and Schwinger's quantization of electric and magnetic charges, and the Compton Effect. Additionally, an alternative form of the ModMax Lagrangian is presented.
Article
Astronomy & Astrophysics
Song He et al.
Summary: We study the effects of T(T)over bar deformation on multiquantum mechanical systems and find common regenesis phenomena. We further investigate the deformation of Jackiw-Teitelboim gravity from the perspective of AdS(2)/CFT1 and discover that these regenesis phenomena are realized by exchanging boundaries graviton via the nonlocal T(T)over bar coupling.
Article
Astronomy & Astrophysics
Daniel Flores-Alfonso et al.
Summary: Maxwell's equations exhibit symmetries under duality rotations and conformal transformations. A recent study by Bandos, Lechner, Sorokin, and Townsend has extended electrodynamics to include these symmetries, coupling the theory to General Relativity to investigate self-gravitating configurations. The research reveals charged black holes, exact gravitational waves, Reissner-Nordstrom black hole geometry, and the phenomenon of birefringence in the propagation of photons.
Article
Astronomy & Astrophysics
Ctirad Klimcik
Summary: The T-duality phenomenon is not exclusive to string theory, but also important in standard point particle dynamics. By studying the dynamics of charged particles in different backgrounds, we find that T-duality can have different effects depending on the geometry of the background.
Article
Astronomy & Astrophysics
S. Kruglov
Summary: A new generalized ModMax model of nonlinear electrodynamics with four parameters is proposed, showing that the singularity of the electric field at the center of point-like charged particles is absent. Corrections to Coulomb's law at r -> infinity were found, and the total electrostatic and magnetic energies of point-like charges were calculated, along with obtaining free electric and magnetic charges and their densities.
Article
Physics, Particles & Fields
Igor Bandos et al.
Summary: This paper clarifies the relationships between various formulations of nonlinear p-form electrodynamics, focusing on the duality invariant (2n - 1)-form electrodynamics and chiral 2n-form electrodynamics. It introduces a new family of chiral 2-form electrodynamics in D = 6 and shows the dimensional reduction relationship between weak-field limits and the ModMax generalization of Maxwell's equations. Additionally, it demonstrates the dimensional reduction of chiral 'strong-field' 2n-form electrodynamics to a new Sl(2; )-duality invariant theory of (2n - 1)-form electrodynamics for n > 1.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Igor Bandos et al.
Summary: We propose a prescription for N = 1 supersymmetrization of any nonlinear electrodynamics theory, applied to extensions of Maxwell electrodynamics and its generalization, preserving electromagnetic duality and conformal invariance. Superconformal invariance of the superModMax theory is established by showing its super-Weyl invariance, eliminating high-derivative interactions through a nonlinear superfield redefinition.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Pablo Rodriguez et al.
Summary: The conformal symmetry algebra in 2D is related to its ultra/non-relativistic version without any limiting process through a nonlinear map of the generators. BMS3 generators emerge from the chiral components of the stress-energy tensor for a generic classical CFT2. Supertranslation generators do not span Noetherian symmetries, but BMS3 becomes a symmetry when the CFT2 is marginally deformed by adding a term to the Hamiltonian. The deformation can be described through the original CFT2 on a curved metric, with BMS3 symmetries arising from deformed conformal Killing equations.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
H. Babaei-Aghbolagh et al.
Summary: The study explores the TT-like flows of non-linear electrodynamic theories in D(=2n)-dimensional spacetime, addressing the deformation of classical free action using a proposed TT operator from a simple integration technique. It is demonstrated that in higher dimensions, this TT flow differs significantly from deformations derived from AdS/CFT interpretations, highlighting that the holographic dual theory of effective Born-Infeld action may not be an AdS space. Additionally, in D = 4, the construction of the TT operator preserves SL(2, ) symmetry in both non-supersymmetric Born-Infeld theory and N = 2 supersymmetric model, revealing the relationship between the TT operator and the energy-momentum tensor quadratic form in D = 4.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Physics, Particles & Fields
Daniel Flores-Alonso et al.
Summary: Recent research has uncovered a unique nonlinear extension of electromagnetism that maintains conformal symmetry and allows for duality rotations, leading to the discovery of black holes and gravitational waves. The study extends dyonic black holes by relaxing their horizon topology and incorporating magnetic mass. Inspired by traversable wormholes, a new family of Taub-NUT spaces is used to construct AdS wormholes, with thermodynamic features explored using a semiclassical approach. Results indicate a phase transition between nut and bolt configurations similar to the Maxwellian case.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Astronomy & Astrophysics
A. Bokulic et al.
Summary: This study rederives the first law of black hole mechanics in the presence of nonlinear electrodynamics fields and discusses the validity of energy conditions, complementary proofs of the zeroth law of black hole electrodynamics, and aspects of the recently generalized Smarr formula, including its (non-)linearity and relation to the first law.
Article
Physics, Particles & Fields
Chris D. A. Blair
JOURNAL OF HIGH ENERGY PHYSICS
(2020)
Article
Astronomy & Astrophysics
Igor Bandos et al.
Article
Astronomy & Astrophysics
B. P. Kosyakov
Article
Physics, Particles & Fields
F. A. Smirnova et al.
Article
Physics, Particles & Fields
Andrea Cavaglia et al.
JOURNAL OF HIGH ENERGY PHYSICS
(2016)
Article
Astronomy & Astrophysics
S. Deser et al.
Article
Astronomy & Astrophysics
M Henneaux et al.
