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Browsing Tag

quantum superposition

3 posts
PPhysics
Quantum mechanics defies classical intuition, most famously through Schrödinger’s cat, where systems exist in superpositions of opposing states. Such superpositions are central to quantum technologies. Quantum ‘cat’ states have been realized in harmonic oscillators, but implementations were largely limited to Fock, displaced, or Gottesman-Kitaev-Preskill states. A different class of macroscopic superpositions, where an oscillator is squeezed along orthogonal axes so that its positional variance is simultaneously larger and smaller than the Heisenberg limit, was proposed previously but remained unrealized. Saner et al. introduce a trapped-ion hybrid spin-oscillator system enabling an experimental realization of these ‘siblings’ of Schrödinger’s cat. Image credit: Saner et al., doi: 10.1103/k1xk-yt42.
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Schrödinger’s Cat Gets Stranger: Physicists Demonstrate Quantum States No One Has Seen Before

  • 11 June 2026
Physicists at the University of Oxford have engineered a new class of ‘cat states’ — quantum superpositions constructed…
PPhysics
Scientists Gave a Quantum Computer a 'Lie Detector Test' and It Passed
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Scientists Gave a Quantum Computer a ‘Lie Detector Test’ and It Passed

  • 16 October 2025
The superconducting chip. Credit: Zhejiang University In a lab in Hangzhou, China, a small chip may have just…
PPhysics
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Physicists put Schrödinger’s cat in a microwave — and the quantum experiment actually worked

  • 11 April 2025
When you buy through links on our articles, Future and its syndication partners may earn a commission. A…
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