Principle analysis
The schematic diagram of bright squeezed light generation is shown in Fig. 1a, which depicts a nonclassical active feedback scheme with the assistance of a squeezed vacuum. Prior to the active feedback stage, the free-running…
Category: 4. Physics
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Scientists Watch an Atom’s Nucleus Flip in Real Time for the First Time
Artist’s impression, based on actual measurement data, of the nuclear spin of an atom flipping between distinct quantum states. The flipping was observed as a fluctuation in the electrical current passing through the atom on a… Continue Reading
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Graphene Electrons Violate Fundamental Law of Physics
Scientists have detected a “Dirac fluid” in graphene, where electrons flow like a nearly perfect liquid and defy conventional physics. Credit: SciTechDaily.com Electrons in graphene can act like a perfect fluid, defying…
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Tiny gold quantum needles with astonishing powers discovered
Researchers Shinjiro Takano, Yuya Hamasaki, and Tatsuya Tsukuda of the University of Tokyo have successfully visualized the geometric structure of growing gold nanoclusters in their earliest stages. During this process, they also successfully…
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Scientists just found a hidden quantum geometry that warps electrons
How can data be processed at lightning speed, or electricity conducted without loss? To achieve this, scientists and industry alike are turning to quantum materials, governed by the laws of the infinitesimal. Designing such materials requires a…
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Quantum Oddity: Physicists Crack 15-Year-Old, 5-Atom Puzzle
A new calculation shows how five atoms interact in the Efimov effect. It marks a major leap in quantum physics. Matter behaves weirdly at the quantum scale, one of the strangest examples being the Efimov effect. In this state, three or more atoms…
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Quantum Computers Mimic Black Holes To Probe Cosmic Secrets
A close-up of the trapped-ion quantum computer used to simulate quantum-information scrambling circuits. Credit: Quantinuum The difference between traditional computers and quantum computers is narrowing in their ability to simulate…
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Why Is Ice Slippery? New Study Overturns 200-Year-Old Physics Theory
It isn’t pressure or friction that makes ice slippery, but hidden forces at the molecular level. New findings show that dipole interactions disrupt ice’s structure in unexpected ways. Credit: Shutterstock For nearly two centuries,…
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Salt Loss Dictates Sea-Ice Structure
• Physics 18, 156
Experiments on freezing saltwater have teased apart flow dynamics inside ice pores, offering a possible boost to climate models’ predictive power.
Tapio Haaja/unsplash.com
Icy quilt. Patches of… Continue Reading
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Towards Floquet Chern insulators of light
Thompson, R. J., Rempe, G. & Kimble, H. J. Observation of normal-mode splitting for an atom in an optical cavity. Phys. Rev. Lett. 68, 1132–1135 (1992).
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