May 9, 2025 – Kavli Institute Pre-Print Publications

When relics were made: vigorous stellar rotation and low dark matter content in the massive ultra-compact galaxy GS-9209 at z=4.66

Posted by klaurent May 9, 2025Cambridge

Kavli Affiliate: Roberto Maiolino | Summary:JWST uncovered a large number of massive quiescent galaxies (MQGs) at $z>3$, which theoretical models struggle to reproduce. Explaining the number density of such objects requires extremely high conversion efficiency of baryons into stars in early dark matter halos. Using stellar kinematics, we can investigate the processes shaping the mass […]

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Compilation strategies for quantum network programs using Qoala

Posted by klaurent May 9, 2025Delft

Kavli Affiliate: Stephanie Wehner | Summary:Execution of quantum network applications requires a software stack for nodes. Recently, the first designs and demonstrations have been proposed for such software stacks, including QNodeOS and its extension, Qoala. The latter enables compilation strategies previously not possible in QNodeOS. Here, we show how the extensions provided by Qoala can […]

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Periodic variation of magnetoionic environment of a fast radio burst source

Posted by klaurent May 9, 2025Peking

Kavli Affiliate: Kejia Lee | Summary:Fast radio bursts (FRBs) are luminous, dispersed millisecond-duration radio bursts whose origin is poorly known. Recent observations suggest that some FRBs may reside in binary systems, even though conclusive evidence remains elusive. Here we report the detection of a 26.24$pm$0.02 day periodicity in Faraday rotation measure (RM) of an actively […]

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Scattering Entanglement Entropy and Its Implications for Electroweak Phase Transitions

Posted by klaurent May 9, 2025Tokyo

Kavli Affiliate: Jia Liu | First 5 Authors: Jia Liu, Jia Liu, , , | Summary: We investigate the connection between the entanglement entropy in scattering processes and the dynamics of electroweak phase transitions. Recent work has shown that the scattering entanglement entropy can provide new insight into Standard Model parameters. In this study, we […]

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Scattering Entanglement Entropy and Its Implications for Electroweak Phase Transitions

Posted by dbos May 9, 2025Tokyo

Kavli Affiliate: Jia Liu | First 5 Authors: Jia Liu, Masanori Tanaka, Xiao-Ping Wang, Jing-Jun Zhang, Zifan Zheng | Summary: We investigate the connection between the entanglement entropy in scattering processes and the dynamics of electroweak phase transitions. Recent work has shown that the scattering entanglement entropy can provide new insight into Standard Model parameters. […]

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Scattering Entanglement Entropy and Its Implications for Electroweak Phase Transitions

Posted by dbos May 9, 2025May 19, 2025Tokyo

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Inferring charge-noise source locations from correlations in spin qubits

Posted by klaurent May 9, 2025Delft

Kavli Affiliate: Giordano Scappucci | Summary:We investigate low-frequency noise in a spin-qubit device made in isotopically purified Si/Si-Ge. Observing sizable cross-correlations among energy fluctuations of different qubits, we conclude that these fluctuations are dominated by charge noise. At low frequencies, the noise spectra are not well described by a power law; instead, they reveal the […]

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The AGORA High-Resolution Galaxy Simulations Comparison Project VII: Satellite quenching in zoom-in simulation of a Milky Way-mass halo

Posted by klaurent May 9, 2025Stanford

Kavli Affiliate: Tom Abel | Summary:Context: Satellite galaxies experience multiple physical processes when interacting with their host halos, often leading to the quenching of star formation. In the Local Group (LG), satellite quenching has been shown to be highly efficient, affecting nearly all satellites except the most massive ones. While recent surveys are studying Milky […]

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The AGORA High-resolution Galaxy Simulations Comparison Project. VIII: Disk Formation and Evolution of Simulated Milky Way Mass Galaxy Progenitors at $1

Posted by klaurent May 9, 2025Stanford

Kavli Affiliate: Tom Abel | Summary:We investigate how differences in the stellar feedback produce disks with different morphologies in Milky Way-like progenitors over 1 $leq z leq 5$, using eight state-of-the-art cosmological hydrodynamics simulation codes in the textitAGORA project. In three of the participating codes, a distinct, rotation-dominated inner core emerges with a formation timescale […]

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The {it AGORA} High-resolution Galaxy Simulations Comparison Project. VIII: Disk Formation and Evolution of Simulated Milky Way Mass Galaxy Progenitors at $1<z<5$

Posted by dbos May 9, 2025May 19, 2025Stanford

Kavli Affiliate: Tom Abel | First 5 Authors: Minyong Jung, Ji-hoon Kim, Thinh H. Nguyen, Ramon Rodriguez-Cardoso, Santi Roca-Fàbrega | Summary: We investigate how differences in the stellar feedback produce disks with different morphologies in Milky Way-like progenitors over 1 $leq z leq 5$, using eight state-of-the-art cosmological hydrodynamics simulation codes in the textit{AGORA} project. […]

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