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Article
Open AccessDouble-copy towards supergravity inflation with α-attractor models
Key to the simplicity of supergravity α-attractor models of inflation are Volkov-Akulov fermions, often in the form of nilpotent superfields. Here we explore the possibility of using the double-copy to construct ...
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Article
Open AccessGravitational causality and the self-stress of photons
We study causality in gravitational systems beyond the classical limit. Using on-shell methods, we consider the 1-loop corrections from charged particles to the photon energy-momentum tensor — the self-stress ...
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Chapter
State Encoding Based Watermarking of Sequential Circuits Using Hybridized Darwinian Genetic Algorithm
The pitfall of many encoding schemes is that they were created only in the efforts of impacting a single performance metric during the synthesis process. In this work, we present a system for introducing secur...
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Chapter and Conference Paper
Lightweight Countermeasure to Differential-Plaintext Attacks on Permutation Ciphers
Many lightweight permutation based block ciphers have emerged for the use of encryption and security in the Internet of Things (IoT). However, recent work has shown a critical vulnerability in these ciphers du...
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Article
Open AccessLeading slow roll corrections to the volume of the universe and the entropy bound
We make an extension to recent calculations of the probability density ρ(V ) for the volume of the universe after inflation. Previous results have been accurate to leading order in the slow roll parameters ...
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Article
Open AccessAnomalous dimensions and non-gaussianity
We analyze the signatures of inflationary models that are coupled to interacting field theories, a basic class of multifield models also motivated by their role in providing dynamically small scales. Near the ...