111 citations · 513 across the 25 of their papers we have counts for
25 papers
Freezing Swampland: A Krylov Complexity Diagnostic for the Weak Gravity Conjecture
Amin Faraji Astaneh, Reza Ghomi Shurkaie
We propose a quantum-information-theoretic perspective on the Weak Gravity Conjecture through the behavior of Krylov spread complexity. For a charged thermofield double state holog…
Krylov Complexity for Time-Dependent Hamiltonians
Amin Faraji Astaneh, Parsa Kafashi
We investigate Krylov spread complexity for states evolving under time-dependent Hamiltonians. For periodically driven systems, we formulate the problem within Floquet theory and s…
Generalized Krylov Complexity
Amin Faraji Astaneh, Niloofar Vardian
We extend the concept of Krylov complexity to include general unitary evolutions involving multiple generators. This generalization enables us to formulate a framework for generali…
Average Spread Complexity and the Higher-Order Level Spacing
Amin Faraji Astaneh, Niloofar Vardian
We investigate the spread complexity of a generic two-level subsystem of a larger system to analyze the influence of energy level statistics, comparing chaotic and integrable syste…
Quantum Complexity of -deformation and Its Implications
Amin Faraji Astaneh
We employ holography to calculate the quantum complexity of -deformation, utilizing the complexity equals volume (CV) and the complexity equals action (CA) proposals with…
Holographic Action Principle for -deformation
Amin Faraji Astaneh
We explore the action principle for the holographic -deformation. We develop a scheme in which one can holographically reproduce the action of the Liouville theory deform…
Fermions, boundaries and conformal and chiral anomalies in and dimensions
Amin Faraji Astaneh, Sergey N. Solodukhin
In the presence of boundaries, the quantum anomalies acquire additional boundary terms. In odd dimensions the integrated conformal anomaly, for which the bulk contribution is known…
Energy of Decomposition and Entanglement Thermodynamics for -deformation
Kuroush Allameh, Amin Faraji Astaneh
We have presented a set of laws of entanglement thermodynamics for -deformed CFTs and in general for -deformed field theories. In particular, the first law of this s…
Aspects of Holographic Entanglement Entropy for -deformed CFTs
Kuroush Allameh, Amin Faraji Astaneh, Alireza Hassanzadeh
We use the holographic methods to calculate the entanglement entropy for field theories modified by insertion. Based on the available holographic proposals, this calcula…
Boundary conformal invariants and the conformal anomaly in five dimensions
Amin Faraji Astaneh, Sergey N. Solodukhin
In odd dimensions the integrated conformal anomaly is entirely due to the boundary terms \cite{Solodukhin:2015eca}. In this paper we present a detailed analysis of the anomaly in f…
On Free Energy for Deformed JT Gravity
Mohsen Alishahiha, Amin Faraji Astaneh, Ghadir Jafari +2
In this paper, we study a particular deformation of the Jackiw-Teitelboim gravity recently considered by Maxfield, Turiaci and independently by Witten. We will compute the partitio…
Island in the Presence of Higher Derivative Terms
Mohsen Alishahiha, Amin Faraji Astaneh, Ali Naseh
Using extended island formula we compute entanglement entropy of Hawking radiation for black hole solutions of certain gravitational models containing higher derivative terms. To b…
Complexity Growth with Lifshitz Scaling and Hyperscaling Violation
Mohsen Alishahiha, Amin Faraji Astaneh, M. Reza Mohammadi Mozaffar +1
Using complexity=action proposal we study the growth rate of holographic complexity for Lifshitz and hyperscaling violating geometries. We will consider both one and two sided blac…
Holographic Fidelity Susceptibility
Mohsen Alishahiha, Amin Faraji Astaneh
For a field theory with a gravitational dual, we study holographic fidelity susceptibility for two states related by a deformation of a relevant operator. To do so, we study back r…
Holographic calculation of entanglement entropy in the presence of boundaries
Amin Faraji Astaneh, Clement Berthiere, Dmitri Fursaev +1
When a spacetime has boundaries, the entangling surface does not have to be necessarily compact and it may have boundaries as well. Then there appear a new, boundary, contribution…
Holographic calculation of boundary terms in conformal anomaly
Amin Faraji Astaneh, Sergey N. Solodukhin
In the presence of boundaries the integrated conformal anomaly is modified by the boundary terms so that the anomaly is non-vanishing in any (even or odd) dimension. The boundary t…
On Complexity for Higher Derivative Gravities
Mohsen Alishahiha, Amin Faraji Astaneh, Ali Naseh +1
Using "complexity=action" proposal we study complexity growth of certain gravitational theories containing higher derivative terms. These include critical gravity in diverse dimens…
Entangling Fractals
Amin Faraji Astaneh
We use the Heat Kernel method to calculate the Entanglement Entropy for a given entangling region on a fractal. The leading divergent term of the entropy is obtained as a function…
Entanglement Entropy for Singular Surfaces in Hyperscaling violating Theories
Mohsen Alishahiha, Amin Faraji Astaneh, Piermarco Fonda +1
We study the holographic entanglement entropy for singular surfaces in theories described holographically by hyperscaling violating backgrounds. We consider singular surfaces consi…
The Wald entropy and 6d conformal anomaly
Amin Faraji Astaneh, Sergey N. Solodukhin
We analyze the Wald entropy for different forms of the conformal anomaly in six dimensions. In particular we focus on the anomaly which arises in a holographic calculation of Henni…
Entropy discrepancy and total derivatives in trace anomaly
Amin Faraji Astaneh, Alexander Patrushev, Sergey N. Solodukhin
In this note we address the discrepancy found by Hung, Myers and Smolkin between the holographic calculation of entanglement entropy (using the Jacobson-Myers functional for the ho…
Entropy vs Gravitational Action: Do Total Derivatives Matter?
Amin Faraji Astaneh, Alexander Patrushev, Sergey N. Solodukhin
The total derivatives in the gravitational action are usually disregarded as non-producing any non-trivial dynamics. In the context of the gravitational entropy, within Wald's appr…
What surface maximizes entanglement entropy?
Amin Faraji Astaneh, Gary Gibbons, Sergey N. Solodukhin
For a given quantum field theory, provided the area of the entangling surface is fixed, what surface maximizes entanglement entropy? We analyze the answer to this question in four…
Quantum Local Quench, AdS/BCFT and Yo-Yo String
Amin Faraji Astaneh, Amir Esmaeil Mosaffa
We propose a holographic model for local quench in 1+1 dimensional Conformal Field Theory (CFT). The local quench is produced by joining two identical CFT's on semi-infinite lines.…