GRB 180128A: A Second Magnetar Giant Flare Candidate from the Sculptor Galaxy

Kavli Affiliate: Nicola Omodei | First 5 Authors: Aaron C. Trigg, Eric Burns, Oliver J. Roberts, Michela Negro, Dmitry S. Svinkin | Summary: Magnetars are slowly rotating neutron stars that possess the strongest magnetic fields ($10^{14}-10^{15} mathrm{G}$) known in the cosmos. They display a range of transient high-energy electromagnetic activity. The brightest and most energetic […]


Continue.. GRB 180128A: A Second Magnetar Giant Flare Candidate from the Sculptor Galaxy

Detecting Dark Matter Induced Power in Quantum Devices

Kavli Affiliate: Noah Kurinsky | First 5 Authors: Anirban Das, Noah Kurinsky, Rebecca K. Leane, , | Summary: In the past few years, many mesoscale systems have been proposed as possible detectors of sub-GeV dark matter particles. In this work, we point out the feasibility of probing dark matter-nucleon scattering cross section using superconductor-based quantum […]


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The Speed of Sound in Methane under Conditions of the Thermal Boundary Layer of Uranus

Kavli Affiliate: Peter Graham | First 5 Authors: Thomas G. White, Hannah Poole, Emma E. McBride, Matthew Oliver, Adrien Descamps | Summary: We present the first direct observations of acoustic waves in warm dense matter. We analyze wavenumber- and energy-resolved X-ray spectra taken from warm dense methane created by laser-heating a cryogenic liquid jet. X-ray […]


Continue.. The Speed of Sound in Methane under Conditions of the Thermal Boundary Layer of Uranus

Speed of sound in methane under conditions of planetary interiors

Kavli Affiliate: Peter Graham | First 5 Authors: Thomas G. White, Hannah Poole, Emma E. McBride, Matthew Oliver, Adrien Descamps | Summary: We present direct observations of acoustic waves in warm dense matter. We analyze wave-number- and energy-resolved x-ray spectra taken from warm dense methane created by laser heating a cryogenic liquid jet. X-ray diffraction […]


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Constraints on Dark Matter from Dynamical Heating of Stars in Ultrafaint Dwarfs. Part 1: MACHOs and Primordial Black Holes

Kavli Affiliate: Peter W. Graham | First 5 Authors: Peter W. Graham, Harikrishnan Ramani, , , | Summary: We place limits on dark matter made up of compact objects significantly heavier than a solar mass, such as MACHOs or primordial black holes (PBHs). In galaxies, the gas of such objects is generally hotter than the […]


Continue.. Constraints on Dark Matter from Dynamical Heating of Stars in Ultrafaint Dwarfs. Part 1: MACHOs and Primordial Black Holes

Constraints on Dark Matter from Dynamical Heating of Stars in Ultrafaint Dwarfs. Part 1: MACHOs and Primordial Black Holes

Kavli Affiliate: Peter W. Graham | First 5 Authors: Peter W. Graham, Harikrishnan Ramani, , , | Summary: We place limits on dark matter made up of compact objects significantly heavier than a solar mass, such as MACHOs or primordial black holes (PBHs). In galaxies, the gas of such objects is generally hotter than the […]


Continue.. Constraints on Dark Matter from Dynamical Heating of Stars in Ultrafaint Dwarfs. Part 1: MACHOs and Primordial Black Holes

Coherent Self-Interactions of Dark Matter in the Bullet Cluster

Kavli Affiliate: Peter W. Graham | First 5 Authors: Zachary Bogorad, Peter W. Graham, Harikrishnan Ramani, , | Summary: Many models of dark matter include self-interactions beyond gravity. A variety of astrophysical observations have previously been used to place limits on the strength of such self-interactions. However, previous works have generally focused either on short-range […]


Continue.. Coherent Self-Interactions of Dark Matter in the Bullet Cluster

Coherent Self-Interactions of Dark Matter in the Bullet Cluster

Kavli Affiliate: Peter W. Graham | First 5 Authors: Zachary Bogorad, Peter W. Graham, Harikrishnan Ramani, , | Summary: Many models of dark matter include self-interactions beyond gravity. A variety of astrophysical observations have previously been used to place limits on the strength of such self-interactions. However, previous works have generally focused either on short-range […]


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A Bayesian Approach to Strong Lens Finding in the Era of Wide-area Surveys

Kavli Affiliate: Philip J. Marshall | First 5 Authors: Philip Holloway, Philip J. Marshall, Aprajita Verma, Anupreeta More, Raoul CaƱameras | Summary: The arrival of the Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST), Euclid-Wide and Roman wide area sensitive surveys will herald a new era in strong lens science in which […]


Continue.. A Bayesian Approach to Strong Lens Finding in the Era of Wide-area Surveys

A Bayesian Approach to Strong Lens Finding in the Era of Wide-area Surveys

Kavli Affiliate: Philip J. Marshall | First 5 Authors: Philip Holloway, Philip J. Marshall, Aprajita Verma, Anupreeta More, Raoul CaƱameras | Summary: The arrival of the Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST), Euclid-Wide and Roman wide area sensitive surveys will herald a new era in strong lens science in which […]


Continue.. A Bayesian Approach to Strong Lens Finding in the Era of Wide-area Surveys