A physicist has cast doubt on a test that underlies a high-profile claim by Microsoft to have created the first ‘topological qubits’, a long-sought goal of the company’s quantum-computing effort. The critique comes amid mounting speculation about the validity of Microsoft’s claim.
Competing Interests
Disclosure: The author of this story is related to Robert Garisto, the chief editor of Physical Review Letters, which is a sister journal of Physical Review B. The two had no contact about this story.