Technology
RRI team records quantum measure of 1.17
The Indian Express·
Scientists at Bengaluru's Raman Research Institute showed that a quantum measure can exceed one. They recorded a quantum measure of 1.17, near the theoretical value of 1.18 for their setup. The work by Sanchari Chakraborti under Urbasi Sinha appeared in the journal Quantum last month. Co-author Rafael Sorkin, who developed the theory, died on September 12.
Prism
What It Means For You
- The RRI result is the first lab verification that a quantum measure can exceed one.
- Readers following quantum foundations now have an experimental number, 1.17, tied to Sorkin's theory.
- The paper appears in the journal Quantum and lists Sorkin as a co-author.
What's Happening
- Sanchari Chakraborti and Urbasi Sinha's team at RRI built a setup to record the greater-than-one measure.
- Their measured value of 1.17 matched a theoretical prediction of 1.18 for the chosen conditions.
- Sorkin died on September 12 after the paper was accepted for publication.
What Quantum Measure Means
- Ordinary probability for a classical path cannot exceed one, or 100 percent.
- Quantum Measure Theory assigns a generalised measure to sets of histories that can interfere.
- Sorkin developed the theory while searching for a theory of quantum gravity at Perimeter Institute.
all-news
