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Frozen Atoms: How Light Captures Shifts a Thousand Times Smaller Than an Atom ⚡ экспресс

Original: "Super-Heisenberg-limited Sensing via Collective Subradiance in Waveguide QED"
· Xin Wang, Zeyang Liao
arXiv:2512.14463 · 2025-12-16 · CC BY 4.0 · ⏱ 1 min · Quantum Physics
A chain of atoms on a chip, freezing into collective silence, becomes an ultrasensitive sensor—capable of detecting shifts a thousand times finer than an atom.
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When atoms line up and 'agree' not to emit, their collective stillness can sense space tremors a thousand times finer than an atom. Nanophotonic chips turn into ultrasensitive rulers.

🎯 Like an orchestra where musicians play out of phase and the hall falls silent, light from atoms can completely vanish due to mutual cancellation.

🎬 Such ruler chips resemble the tricorders from 'Star Trek'—miniature matter scanners.

\Gamma \propto N^{-3}
The decay rate of the subradiant state is inversely proportional to the cube of the number of atoms.
Scientists
Christian DopplerD. B. McLaughlinDidier QuelozMichel MayorR. A. RossiterAlbert Einstein
Tags
spectroscopy photometry speed of light entropy
Laws
second law of thermodynamicsDoppler effectprinciple of constancy of the speed of lightBekenstein-Hawking entropymass–energy equivalenceMaxwell's equations
Original: arXiv:2512.14463 · CC BY 4.0 · bridge42worlds