Underground Test Excludes a Leading Gravity-Based Decoherence Model
A 62-day underground experiment found no radiation signature predicted by a generalized Károlyházy model, constraining one prominent proposal for gravity-induced ...
Tag: quantum gravity
Stochastic analysis of finite-temperature effects on cosmological parameters by artificial neural networks
A modified CLASS model and neural-network optimization found that two finite-temperature quantum-gravity parameters improved agreement with the 2018 Planck CMB ...
Theoretical analysis finds interferometer geometry can erase predicted gravitational entanglement
A theoretical study shows that calculating complete particle trajectories can strengthen, weaken or erase the entanglement predicted in two-particle gravitational ...
Dark Matter and Dark Energy May Be Talking to Each Other, But the Cosmos Keeps Its Secrets
A new joint analysis using DESI DR2 baryon acoustic oscillations, supernovae, cosmic chronometers and CMB priors finds only weak support ...
Gravity Before Geometry: How Spacetime’s Curvature, Torsion and Non-Metricity May Emerge From a Deeper Symmetry
A new theoretical study shows that the three equivalent formulations of general relativity, based on curvature, torsion and non-metricity, can ...
Quantum Spins Move a Centimeter-Scale Diamond for the First Time in the Lab
Researchers at OIST have for the first time used quantum electron spin to move a levitated centimeter-scale diamond, opening a ...
Black Hole Echoes Give Physicists a New Way to Test Gravity’s Weakest-Force Rule
Theorists have derived the Weak Gravity Conjecture in closed form from the conformal quantum mechanics of black-hole horizons, obtaining explicit ...
Quantum Gravity Corrections Could Rescue Once-Ruled-Out Inflation Models, Study Finds
New research shows that quantum gravity corrections from loop quantum cosmology can shift the predictions of fractional power law inflation ...
Stopped Light Turns a Tiny Torsion Pendulum into a Super-Sensitive Gravity Sensor
Researchers in Shanghai have built a torsion-pendulum gravity sensor whose optical microcavity readout uses stopped light to detect gravitational forces ...
Geometric Warping of Black Holes May Tune Hawking Radiation to a Critical Peak
A new theoretical study shows that deforming the angular geometry of a dilaton black hole can drive it to a ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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