Category: Physics & Astronomy
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Study identifies source classes for black hole shadow imaging
This research indicates that nearby supermassive black holes can be grouped into classes based on when their accretion flows become transparent enough for shadow imaging.
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Simulations reproduce solar prominence formation
This research indicates that solar prominences can form self-consistently in fully three-dimensional simulations when the magnetic field starts from appropriate initial conditions.
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Friedrich–Wintgen bound states in the continuum are proved for thin waveguide cavities
This research indicates that Friedrich–Wintgen bound states in the continuum can exist in two-dimensional electromagnetic cavities with thin waveguides under certain geometric and coupling conditions.
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Snippet-based covariance estimation improves Feynman-α analysis
This research indicates that a snippet-based method can estimate the covariance needed for Feynman-α analysis within practical time and resource limits.
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Structured light enables tunable control of chirality and spin in free space
This research indicates that higher-order Poincaré modes with a tunable Pancharatnam topological charge can control spin angular momentum and optical chirality in free space within the paraxial regime.
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Higher excitation changes Hawking effects on quantum resources
This research indicates that increasing the excitation number q reduces entanglement and mutual information but increases quantum coherence under the Hawking effect in Schwarzschild spacetime.
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Microgravity release-recapture of silica nanoparticles is demonstrated
This research indicates that release and recapture experiments with optically trapped silica nanoparticles are feasible in a microgravity environment.
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Curiosity detected over 20 organic molecules in ancient Martian rock
This research indicates that the SAM instrument suite on NASA's Curiosity rover detected more than 20 organic molecules in clay-bearing Martian sandstones, released by a tetramethylammonium hydroxide wet chemistry experiment.
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LHCb measures B+ decay angular coefficients in agreement with expectations
This research indicates that the measured angular distribution of B+ → J/ψK+ decays agrees with expectations and that the LHCb Upgrade I detector response is understood well enough for extracting related angular coefficients.
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AdS weak gravity conjecture extended to more general field theories
This research indicates that the weak gravity conjecture can be extended to more general effective field theories in anti-de Sitter space, including cases with moduli, and that a stronger condition may be needed after moduli stabilization.
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