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Physicists Find a Superconductor That 'Breaks' The Symmetry of Time – A First For Its Kind : ScienceAlert (opens in a new tab)

sciencealert.com · 2026-10-02

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1

The story

Physicists Find a Superconductor That 'Breaks' The Symmetry of Time – A First For Its Kind : ScienceAlert

sciencealert.com · 2026-10-02

The story’s checkable claims.

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2

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Evidence layer

Claim by claim

The source study was found, but the study's evidence could not be profiled, so these claims couldn't be checked.

Claim 1 of 7Not checkedPhysicists have, for the first time, created a type I superconductor material that can seemingly break time-reversal symmetry.View evidenceHide evidence

As stated"for the first time"

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The source study was found, but this claim couldn't be checked against it.

Claim 2 of 7Not checkedThe study was recently published in Physical Review Letters and was led by an international team of physicists at the Indian Institute of Science Education and Research (IISER) Bhopal.View evidenceHide evidence

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The source study was found, but this claim couldn't be checked against it.

Claim 3 of 7Not checkedThe researchers synthesized single crystals of ytterbium diantimonide (YbSb2) and used X-rays to assess its purity and crystal structure.View evidenceHide evidence

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The source study was found, but this claim couldn't be checked against it.

Claim 4 of 7Not checkedThey found the material’s electrical resistance dropped to zero and it became superconducting at about -272 degrees Celsius, just above absolute zero, and concluded it showed type I superconducting properties.View evidenceHide evidence

As statedaround -272 degrees Celsius (-457.6 degrees Fahrenheit)

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The source study was found, but this claim couldn't be checked against it.

Claim 5 of 7Not checkedMuon spin spectroscopy reportedly revealed tiny internal magnetic fields appearing spontaneously when the material entered the superconducting phase, which the article presents as key evidence for broken time-reversal symmetry.View evidenceHide evidence

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Claim 6 of 7Not checkedThe article says the electrons in bulk YbSb2 form an unconventional spin-triplet, internally antisymmetric non-unitary triplet state with a net magnetic moment.View evidenceHide evidence

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The source study was found, but this claim couldn't be checked against it.

Claim 7 of 7Not checkedThe story says this behavior may help YbSb2 host gapless Majorana surface modes and could eventually be useful for quantum information protection in quantum computing.View evidenceHide evidence

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Method layer

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Observation of Time-Reversal Symmetry Breaking in the Type-I Superconductor YbSb 2

Physical Review Letters · 2026

Source record (opens in a new tab)

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Near certain

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Papers considered

The selected paper, plus nearby candidates.

Crossref, PubMed · 16 candidate papers

Selected

Observation of Time-Reversal Symmetry Breaking in the Type-I Superconductor YbSb 2

Physical Review Letters · 2026 · Crossref

Source (opens in a new tab)

And 10 more candidates considered.