activity
20122026
most citedThe Effect of Nonlinear Landau Damping on Ultrarelativistic Beam Plasma Instabilities

55 citations · 394 across the 19 of their papers we have counts for

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Showing astro-ph.GAShow all

5 papers · 1 filter

astro-ph.GA2026

Saturation Mechanism of Cosmic Ray Streaming Instabilities with a Shell Distribution

Mohamad Shalaby, Rouven Lemmerz, Christoph Pfrommer

Cosmic rays (CRs) drive galactic winds and regulate galaxy growth while contributing to heating the central cooling plasma in dense galaxy clusters, making the nonlinear saturation…

astro-ph.GA2026

The Sound of the Universe: A Resonant Gravitational Instability Driven by Baryon-Dark Matter Relative Drift

Mohamad Shalaby, Avery Broderick

Dark matter and baryons acquire a relative velocity after decoupling in the early Universe. Baryons are gravitationally unstable only above their Jeans scale, while cold dark matte…

astro-ph.GA2025

Effective cosmic ray diffusion in multiphase galactic environments

Timon Thomas, Christoph Pfrommer, Rüdiger Pakmor +2

Cosmic-ray (CR) feedback is widely recognized as a key regulator of galaxy formation. After being accelerated at supernova remnant shocks, CRs propagate through the interstellar me…

astro-ph.GA2023★ 15 cited

Deciphering the physical basis of the intermediate-scale instability

Mohamad Shalaby, Timon Thomas, Christoph Pfrommer +2

We study the underlying physics of cosmic-ray (CR) driven instabilities that play a crucial role for CR transport across a wide range of scales, from interstellar to galaxy cluster…

astro-ph.GA2022★ 3 cited

Constraining blazar heating with the 2<z<3 Lyman- forest

A. Lamberts, E. Puchwein, C. Pfrommer +5

The intergalactic medium (IGM) acts like a calorimeter recording energy injection by cosmic structure formation, shocks and photoheating from stars and active galactic nuclei. It w…