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O. O. Sobol, Richard von Eckardstein, Elias R. Koch, Svetlana V. Gurevich et autres
A bstract An axion-like field coupled to an Abelian gauge field provides one of the simplest inflationary models that is free from the eta problem and possesses an efficient reheating mechanism. For sufficiently large coupling, this system enters a regime of strong …
ua, de, jp (code pays fourni par la source)
O. O. Sobol, Richard von Eckardstein, Kai Schmitz, Elias R. Koch et autres
Data files containing numerical results illustrating the fundings of the paper "Nonlinear physics of axion inflation" https://arxiv.org/abs/2603.02570 %---------------------------------------------------------------------------------------------------------------------------------------%Relation to figures in the paper.%---------------------------------------------------------------------------------------------------------------------------------------% Figures 1 and 7:- background color --> file "Re-zeta.dat"- red solid line --> file "SR-UB-boundary.dat"- red dashed line --> …
ua, de, jp (code pays fourni par la source)
O. O. Sobol, Richard von Eckardstein, Kai Schmitz, Elias R. Koch et autres
Data files containing numerical results illustrating the fundings of the paper "Nonlinear physics of axion inflation" https://arxiv.org/abs/2603.02570 %---------------------------------------------------------------------------------------------------------------------------------------%Relation to figures in the paper.%---------------------------------------------------------------------------------------------------------------------------------------% Figures 1 and 7:- background color --> file "Re-zeta.dat"- red solid line --> file "SR-UB-boundary.dat"- red dashed line --> …
ua, de, jp (code pays fourni par la source)
Richard von Eckardstein, Kai Schmitz, O. O. Sobol
A bstract Axion inflation represents an intriguing source of gravitational waves (GWs) from the early Universe. In a companion paper [1], we previously leveraged the gradient expansion formalism (GEF) to investigate pure axion inflation (PAI), i.e., axion inflaton coupled to a pure …
de, jp, ua (code pays fourni par la source)
O. O. Sobol, Richard von Eckardstein, Elias Koch, Svetlana Gurevich et autres
An axion-like field coupled to an Abelian gauge field provides one of the simplest inflationary models that is free from the eta problem and possesses an efficient reheating mechanism. For sufficiently large coupling, this system enters a regime of strong gauge-field backreaction, …
O. O. Sobol, Richard von Eckardstein, Elias Koch, Svetlana Gurevich et autres
An axion-like field coupled to an Abelian gauge field provides one of the simplest inflationary models that is free from the eta problem and possesses an efficient reheating mechanism. For sufficiently large coupling, this system enters a regime of strong gauge-field backreaction, …
ua, de, jp (code pays fourni par la source)
Richard von Eckardstein, Kai Schmitz, O. O. Sobol
A bstract Axion inflation is a well-motivated model of cosmic inflation with a rich phenomenology. The abundant production of gauge fields during axion inflation notably sources a stochastic gravitational-wave (GW) background signal, which nourishes the hope that future GW searches might have …
de, jp, ua (code pays fourni par la source)
Richard von Eckardstein, Kai Schmitz, O. O. Sobol
A bstract Axion inflation is a well-motivated model of cosmic inflation with a rich phenomenology. The abundant production of gauge fields during axion inflation notably sources a stochastic gravitational-wave (GW) background signal, which nourishes the hope that future GW searches might have …
de, jp, ua (code pays fourni par la source)
Richard von Eckardstein, Kai Schmitz, O. O. Sobol
A bstract Pair-creation of charged particles in a strong gauge-field background — the renowned Schwinger effect — can strongly alter the efficiency of gauge-field production during axion inflation. It is therefore crucial to have a clear understanding and proper description of this …
de, ua (code pays fourni par la source)
Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, Zaven Arzoumanian et autres
Abstract The NANOGrav 15 yr data provide compelling evidence for a stochastic gravitational-wave (GW) background at nanohertz frequencies. The simplest model-independent approach to characterizing the frequency spectrum of this signal consists of a simple power-law fit involving two parameters: an amplitude A …
Richard von Eckardstein, Kai Schmitz, O. O. Sobol
Pair-creation of charged particles in a strong gauge-field background - the renowned Schwinger effect - can strongly alter the efficiency of gauge-field production during axion inflation. It is therefore crucial to have a clear understanding and proper description of this phenomenon to …
Ruth Durrer, Richard von Eckardstein, Deepen Garg, Kai Schmitz et autres
We study how Abelian-gauge-field production during inflation affects scalar perturbations in the case when the gauge field interacts with the inflaton directly (by means of generic kinetic and axial couplings) and via gravity. The homogeneous background solution is defined by self-consistently taking …
ch, de, ua (code pays fourni par la source)
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