arXiv News

EnglishJapanese

Switch language

EnglishJapanese
Loading account…

First-hand information for everyone

Latest
Electron–positron pair beams could let X‑ray free‑electron lasers produce terawatt, attosecond pulsesTiny disturbances trigger a large optical “avalanche” in a microcavity frequency combNew method models light interacting with large materials without cutting off multipole termsGPUs and a smarter algorithm let classical computers simulate 100–124 qubits of ruthenium chemistry in hoursElectron–positron pair beams could let X‑ray free‑electron lasers produce terawatt, attosecond pulsesTiny disturbances trigger a large optical “avalanche” in a microcavity frequency combNew method models light interacting with large materials without cutting off multipole termsGPUs and a smarter algorithm let classical computers simulate 100–124 qubits of ruthenium chemistry in hours

Today's Briefing

Tuesday, March 17, 2026
AllArtificial IntelligenceMachine LearningNatural Language ProcessingComputer VisionRoboticsCryptographyPhysicsMathematics
PhysicsFeatured briefing

Electron–positron pair beams could let X‑ray free‑electron lasers produce terawatt, attosecond pulses

Free‑electron lasers (FELs) make the brightest coherent X‑ray pulses available, but at very high peak current a self‑field inside the electr

March 17, 2026EN2 min read
Read full article

Latest Research

Physics
March 16, 2026

Tiny disturbances trigger a large optical “avalanche” in a microcavity frequency comb

Researchers propose a new way to detect very small changes near an optical microcavity by using a nonlinear effect called the Kerr nonlinear

EN
2 min read
Physics
March 16, 2026

New method models light interacting with large materials without cutting off multipole terms

This paper presents a new theoretical and computational method to describe how light interacts with extended materials when the usual electr

EN
2 min read
Physics
March 14, 2026

GPUs and a smarter algorithm let classical computers simulate 100–124 qubits of ruthenium chemistry in hours

This paper reports a way to run a quantum-chemistry algorithm on many GPUs so that classical hardware can solve problems previously thought

EN
2 min read
Advertisement