Research · Updated 19 Oct, 09:55 am IST
Indian team measures quantum measure exceeding one in experiment

Why it matters for readers: It reveals a surprising quantum effect where a probability-like quantity can be larger than one, challenging everyday intuition.
- Scientists at the Raman Research Institute experimentally measured a quantum measure value of 1.17.1
- This experiment is described as the first experimental verification that a quantum measure can exceed one.1
- The work was done by Sanchari Chakraborti as a PhD student under the supervision of Urbasi Sinha.1
- The study was published in the journal Quantum in the month before the Oct 19, 2026 report.1
- Quantum measure is presented as the quantum analogue of probability and can behave differently from classical probabilities.1
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