105 citations · 489 across the 23 of their papers we have counts for
26 papers
Twisted Cohomology of D-Brane Disk Integrals
Komeil Babaei Velni
Disk-level scattering amplitudes involving one Ramond--Ramond and two NSNS states on a D-brane obey nontrivial identities among scalar world-sheet integrals imposed by gauge and T-…
Classifying Causal Nonlinear Electrodynamics via -Parity and Irrelevant Deformations
H. Babaei-Aghbolagh, Komeil Babaei Velni, Song He +1
We investigate the classification of self-dual nonlinear electrodynamic (NED) theories based on their analyticity properties, which are directly linked to invariance under a discre…
A Unified Causal Framework for Nonlinear Electrodynamics Black Hole from Courant-Hilbert Approach: Thermodynamics and Singularity
H. Babaei-Aghbolagh, Komeil Babaei Velni, Song He +1
We develop a unified framework for analyzing black hole thermodynamics and spacetime structure in Einstein gravity coupled to causal nonlinear electrodynamics (NED) in asymptotical…
Krylov Complexity in Lifshitz-type Dirac Field Theories
Hamid R. Imani, Komeil Babaei Velni, M. Reza Mohammadi Mozaffar
We study Krylov complexity in Lifshitz-type Dirac field theories with a generic dynamical critical exponent . By computing the Lanczos coefficients for massless and massive case…
Capacity of Entanglement in Lifshitz Theories
Sare Khoshdooni, Komeil Babaei Velni, M. Reza Mohammadi Mozaffar
We study the capacity of entanglement in certain integrable scale-invariant theories which exhibit Lifshitz scaling symmetry with a generic dynamical exponent z at the critical poi…
Root- Deformations on Causal Self-Dual Electrodynamic Theories
Hossein Babaei-Aghbolagh, Komeil Babaei Velni, Song He +1
The self-dual condition, which ensures invariance under electromagnetic duality, manifests as a partial differential equation in nonlinear electromagnetism theories. The general so…
Krylov Complexity in Lifshitz-type Scalar Field Theories
M. J. Vasli, K. Babaei Velni, M. R. Mohammadi Mozaffar +2
We investigate various aspects of the Lanczos coefficients in a family of free Lifshitz scalar theories, characterized by their integer dynamical exponent, at finite temperature. I…
Manifestly Duality-Symmetric Forms in ModMax Theory
H. Babaei-Aghbolagh, Komeil Babaei Velni, Davood Mahdavian Yekta +1
In this paper, we will investigate a manifestly -invariant structure for the energy-momentum tensor of ModMax theory as a nonlinear modification of Maxwell electrodynamics…
Marginal -Like Deformation and ModMax Theories in Two Dimensions
H. Babaei-Aghbolagh, Komeil Babaei Velni, Davood Mahdavian Yekta +1
Recently, the ModMax theory has been proposed as a unique conformal nonlinear extension of electrodynamics. We have shown in [1] that this modification can be reproduced a marginal…
Thermodynamic geometry and complexity of black holes in theories with broken translational invariance
H. Babaei-Aghbolagh, Hosein Mohammadzadeh, Davood Mahdavian Yekta +1
The relationship between thermodynamics and the Lloyd bound on the holographic complexity for a black hole has been of interest. We consider dimensional anti-de Sitter black ho…
Emergence of non-linear electrodynamic theories from -like deformations
H. Babaei-Aghbolagh, Komeil Babaei Velni, Davood Mahdavian Yekta +1
In this letter, we investigate the deformation of the ModMax theory, as a unique Lagrangian of non-linear electrodynamics preserving both conformal and electromagnetic-duality inva…
Complexity growth in Gubser-Rocha models with momentum relaxation
H. Babaei-Aghbolagh, Davood Mahdavian Yekta, Komeil Babaei Velni +1
The Einstein-Maxwell-Axion-Dilaton (EMAD) theories, based on the Gubser-Rocha (GR) model, are very interesting in holographic calculations of strongly correlated systems in the con…
Entanglement Wedge Cross Section in Holographic Excited States
Mohammad Sahraei, Mohammad Javad Vasli, M. Reza Mohammadi Mozaffar +1
We evaluate the entanglement wedge cross section (EWCS) in asymptotically AdS geometries which are dual to boundary excited states. We carry out a perturbative analysis for calcula…
-like Flows in Non-linear Electrodynamic Theories and S-duality
H. Babaei-Aghbolagh, Komeil Babaei Velni, Davood Mahdavian Yekta +1
We investigate the -like flows for non-linear electrodynamic theories in -dimensional spacetime. Our analysis is restricted to the deformation problem of the…
Holographic complexity for black branes with momentum relaxation
Davood Mahdavian Yekta, H. Babaei-Aghbolagh, Komeil Babaei Velni +1
We employ the "complexity equals action" conjecture to investigate the action growth rate for the charged and neutral AdS black branes of a holographic toy model consisting of Eins…
Evolution of Entanglement Wedge Cross Section Following a Global Quench
Komeil Babaei Velni, M. Reza Mohammadi Mozaffar, M. H. Vahidinia
We study the evolution of entanglement wedge cross section (EWCS) in the Vaidya geometry describing a thin shell of null matter collapsing into the AdS vacuum to form a black brane…
Some Aspects of Entanglement Wedge Cross-Section
Komeil Babaei Velni, M. Reza Mohammadi Mozaffar, M. H. Vahidinia
We consider the minimal area of the entanglement wedge cross section (EWCS) in Einstein gravity. In the context of holography, it is proposed that this quantity is dual to differen…
Complexity and Near Extremal Charged Black Branes
Mohsen Alishahiha, Komeil Babaei Velni, Mohammad Reza Tanhayi
We compute holographic complexity of charged black brane solutions in arbitrary dimensions for the near horizon limit of near extremal case using two different methods. The corresp…
S-dual Amplitude and D3-Brane Couplings
Komeil Babaei Velni, H. Babaei-Aghbolagh
Recently, it has been observed that the IIB scattering amplitudes are compatible with the standard rules of S-duality. Inspired by this observation, we will find the tree-level S-m…
Dilaton Black Hole Entropy from Entropy Function Formalism
Komeil Babaei Velni, Ali Jalali, Bahareh Khoshdelan
It has been shown that the entropy function formalism is an efficient way to calculate the entropy of black holes in string theory. We check this formalism for the extremal charged…
Higher derivative corrections to DBI action at order
Komeil Babaei Velni, Ali Jalali
We use the compatibility of D-brane action with linear off-shell T-duality and linear on-shell S-duality as guiding principles to find all world volume couplings of one massless cl…
On Chern-Simons Couplings at order
Komeil Babaei Velni, Ali Jalali
Using the explicit string scattering calculation and the linear T-dual ward identity, we evaluate the string theory disc amplitude of one Ramond-Ramond field and two Ne…
On SL(2;R) symmetry in nonlinear electrodynamics theories
Komeil Babaei Velni, H. Babaei-Aghbolagh
Recently, it has been observed that the Noether-Gaillard-Zumino (NGZ) identity holds order by order in expansion in nonlinear electrodynamics theories as Born-Infeld (BI) and…
T-dual RR couplings on D-branes from S-matrix elements
Komeil Babaei Velni
Using the linear T-dual ward identity associated with the NSNS gauge transformations, some RR couplings on D-branes have been found at order . We examine the $C^{(p-1)…