October 2023 – Page 34 – Kavli Institute Pre-Print Publications

3D photonics for ultra-low energy, high bandwidth-density chip data links

Posted by dbos October 2, 2023Cornell

Kavli Affiliate: Alyosha Molnar | First 5 Authors: Stuart Daudlin, Anthony Rizzo, Sunwoo Lee, Devesh Khilwani, Christine Ou | Summary: Artificial intelligence (AI) hardware is positioned to unlock revolutionary computational abilities across diverse fields ranging from fundamental science [1] to medicine [2] and environmental science [3] by leveraging advanced semiconductor chips interconnected in vast distributed […]

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Hot electron diffusion, microwave noise, and piezoresistivity in Si from first principles

Posted by dbos October 2, 2023Caltech

Kavli Affiliate: Austin J. Minnich | First 5 Authors: Benjamin Hatanpää, Austin J. Minnich, , , | Summary: Ab-initio calculations of charge transport properties in materials without adjustable parameters have provided microscopic insights into electron-phonon interactions which govern charge transport properties. Other transport properties such as the diffusion coefficient provide additional microscopic information and are […]

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X-ray and Radio Monitoring of the Neutron Star Low Mass X-ray Binary 1A 1744-361: Quasi Periodic Oscillations, Transient Ejections, and a Disk Atmosphere

Posted by dbos October 2, 2023MIT

Kavli Affiliate: Deepto Chakrabarty | First 5 Authors: Mason Ng, Andrew K. Hughes, Jeroen Homan, Jon M. Miller, Sean N. Pike | Summary: We report on X-ray (NICER/NuSTAR/MAXI/Swift) and radio (MeerKAT) timing and spectroscopic analysis from a three-month monitoring campaign in 2022 of a high-intensity outburst of the dipping neutron star low-mass X-ray binary 1A […]

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X-ray and Radio Monitoring of the Neutron Star Low Mass X-ray Binary 1A 1744-361: Quasi Periodic Oscillations, Transient Ejections, and a Disk Atmosphere

Posted by klaurent October 2, 2023October 16, 2023MIT

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AGN STORM 2. VI. Mapping Temperature Fluctuations in the Accretion Disk of Mrk 817

Posted by klaurent October 2, 2023October 16, 2023MIT

Kavli Affiliate: Erin A. Kara | First 5 Authors: Jack M. M. Neustadt, Christopher S. Kochanek, John Montano, Jonathan Gelbord, Aaron J. Barth | Summary: We fit the UV/optical lightcurves of the Seyfert 1 galaxy Mrk 817 to produce maps of the accretion disk temperature fluctuations $delta T$ resolved in time and radius. The $delta […]

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SpinPSO: An agent-based optimization workflow for identifying global noncollinear magnetic ground-states from first-principles

Posted by klaurent October 2, 2023October 16, 2023Berkeley

Kavli Affiliate: Kristin A. Persson | First 5 Authors: Guy C. Moore, Matthew K. Horton, Kristin A. Persson, , | Summary: We propose and implement a novel hybrid meta-heuristic optimization algorithm for the identification of non-collinear global ground-states in magnetic systems. The inputs to this optimization scheme are directly from non-collinear density functional theory (DFT), […]

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The Superconducting Quasiparticle-Amplifying Transmon: A Qubit-Based Sensor for meV Scale Phonons and Single THz Photons

Posted by dbos October 2, 2023Stanford

Kavli Affiliate: Noah A. Kurinsky | First 5 Authors: Caleb W. Fink, Chiara P. Salemi, Betty A. Young, David I. Schuster, Noah A. Kurinsky | Summary: With great interest from the quantum computing community, an immense amount of R&D effort has been invested into improving superconducting qubits. The technologies developed for the design and fabrication […]

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The Superconducting Quasiparticle-Amplifying Transmon: A Qubit-Based Sensor for meV Scale Phonons and Single THz Photons

Posted by dbos October 2, 2023Stanford

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The Superconducting Quasiparticle-Amplifying Transmon: A Qubit-Based Sensor for meV Scale Phonons and Single THz Photons

Posted by klaurent October 2, 2023October 16, 2023Stanford

Kavli Affiliate: Noah A. Kurinsky | First 5 Authors: Caleb W. Fink, Chiara Salemi, Betty A. Young, David I. Schuster, Noah A. Kurinsky | Summary: With great interest from the quantum computing community, an immense amount of R&D effort has been invested into improving superconducting qubits. The technologies developed for the design and fabrication of […]

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Probing nontensorial gravitational waves with a next-generation ground-based detector network

Posted by dbos October 2, 2023Peking

Kavli Affiliate: Lijing Shao | First 5 Authors: Jierui Hu, Dicong Liang, Lijing Shao, , | Summary: In General Relativity, there are only two polarizations for gravitational waves. However, up to six polarizations are possible in a generic metric theory of gravity. Therefore, measuring the polarization content of gravitational waves provides an efficient way to […]

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