Scientists create a new kind of Schrödinger’s cat state

11 June 2026 at 15:43

Physicists at the University of Oxford have created a new type of quantum state that could help advance quantum computing and deepen our understanding of the strange rules of the quantum world. The research builds on one of the most famous ideas in physics: Schrödinger’s cat. Proposed by physicist Erwin Schrödinger in 1935, the thought […]

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Schrödinger’s Cat Gets Stranger: Physicists Demonstrate Quantum States No One Has Seen Before

Sci.News

By: News Staff

10 June 2026 at 21:54

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.

Physicists at the University of Oxford have engineered a new class of ‘cat states’ -- quantum superpositions constructed not from ordinary wave packets, but from deeply exotic, nonclassical components -- opening unexpected paths toward more resilient quantum computers.

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