November 2025 – Page 16 – Kavli Institute Pre-Print Publications

Photon counting readout for detection and inference of gravitational waves from neutron star merger remnants

Posted by klaurent November 12, 2025MIT

Kavli Affiliate: Lee McCuller | Summary:Gravitational waves emitted after neutron star binary coalescences and the information they carry about dense matter are a high-priority target for next-generation detectors. Even though such detectors are expected to observe millions of signals, detectable post-merger emission will remain rare. In this work, we explore post-merger detectability and inference through […]

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Photon counting readout for detection and inference of gravitational waves from neutron star merger remnants

Posted by klaurent November 12, 2025December 8, 2025MIT

Kavli Affiliate: Lee McCuller| First 5 Authors: Ethan Payne, Ethan Payne, , , | Summary:Gravitational waves emitted after neutron star binary coalescences and the information they carry about dense matter are a high-priority target for next-generation detectors. Even though such detectors are expected to observe millions of signals, detectable post-merger emission will remain rare. In […]

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Fractional Dynamics in Galactic Nuclei: Non-Local Transport, Transient Phenomena and the Nullification of the Schwarzschild Barrier

Posted by klaurent November 12, 2025Peking

Kavli Affiliate: Pau Amaro Seoane | Summary:We investigate the application of fractional calculus to model stellar dynamics, focusing on Resonant Relaxation (RR) near a supermassive black hole (SMBH). Standard theories use the local Fokker-Planck (FP) equation, restricted to Gaussian processes under the Central Limit Theorem (CLT). We argue this is inadequate for RR. We demonstrate […]

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Fractional Dynamics in Galactic Nuclei: Non-Local Transport, Transient Phenomena and the Nullification of the Schwarzschild Barrier

Posted by klaurent November 12, 2025December 8, 2025Peking

Kavli Affiliate: Pau Amaro Seoane| First 5 Authors: Pau Amaro Seoane, Pau Amaro Seoane, , , | Summary:We demonstrate the necessity of fractional calculus for modeling anomalous diffusion in stellar dynamics, specifically Resonant Relaxation (RR) near a supermassive black hole (SMBH). Standard transport theories rely on the local Fokker-Planck (FP) equation, a formalism restricted to […]

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The SEEDZ Simulations: Methodology and First Results on Massive Black Hole Seeding and Early Galaxy Growth

Posted by klaurent November 12, 2025Cambridge

Kavli Affiliate: Martin Haehnelt | Summary:Here we introduce the SEEDZ simulations, a suite of cosmological hydrodynamic simulations exploring the formation and growth of the first massive black holes in the Universe. SEEDZ includes models for Population III star formation, supernovae explosions and the resulting formation of light seed black holes, metal enrichment and subsequent Population […]

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The SEEDZ Simulations: Methodology and First Results on Massive Black Hole Seeding and Early Galaxy Growth

Posted by klaurent November 12, 2025Cambridge

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Cosmological Limits on Strong Dark Forces

Posted by klaurent November 12, 2025Stanford

Kavli Affiliate: Peter Graham | Summary:We showcase cosmology’s ability to constrain long-range forces between dark matter particles. Specifically, we consider a fermionic dark matter interacting via a Yukawa-coupled light scalar, focusing on regimes where the dark forces are stronger than gravitational and yet unconstrained. We show that the dark sector dynamics, both at the background […]

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Think inside the box: cosmic variance and large-scale conformity of high-redshift massive galaxies in the FLAMINGO simulations

Posted by klaurent November 12, 2025December 8, 2025Cambridge

Kavli Affiliate: Roberto Maiolino| First 5 Authors: Seunghwan Lim, Seunghwan Lim, , , | Summary:We use the highest-resolution FLAMINGO hydrodynamical simulation to quantify cosmic variance and large-scale coherence in the evolution of massive galaxies at high redshift. FLAMINGO combines a $(1,mathrmcGpc)^3$ volume with baryonic resolution sufficient to identify $gtrsim,10^3$ independent JWST-like survey volumes of $(100,mathrmcMpc)^3$, […]

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Adsorption of volatiles on dust grains in protoplanetary disks

Posted by klaurent November 12, 2025April 1, 2026Peking

Kavli Affiliate: Feng Long| Summary: The adsorption of volatile molecules onto dust grain surfaces fundamentally influences dust-related processes, including condensation of gas-phase molecules, dust coagulation, and planet formation in protoplanetary disks. Using advanced ab-initio density functional theory with r$^2$SCAN+rVV10 van der Waals functionals, we calculate adsorption energies of H$_2$, H$_2$O, and CO on carbonaceous (graphene, […]

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Adsorption of volatiles on dust grains in protoplanetary disks

Posted by klaurent November 12, 2025Peking

Kavli Affiliate: Lile Wang |Summary:The adsorption of volatile molecules onto dust grain surfaces fundamentally influences dust-related processes, including condensation of gas-phase molecules, dust coagulation, and planet formation in protoplanetary disks. Using advanced ab-initio density functional theory with r$^2$SCAN+rVV10 van der Waals functionals, we calculate adsorption energies of H$_2$, H$_2$O, and CO on carbonaceous (graphene, amorphous […]

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