Search results for time-reversal symmetry

Superconductivity Oct 2, 2026

Scientists discover first type I superconductor that breaks time-reversal symmetry

Superconductors are materials that conduct electricity with no resistance and expel magnetic fields when cooled to ultralow temperatures. And depending on their quantum structure, they can also showcase strange properties ...

Optics & Photonics Sep 14, 2026

Getting photons into shape for reliable quantum communication

The vast majority of modern quantum technologies—from quantum cryptography to the quantum internet to the quantum computer—rely on one essential element: the transmission of photons. Two qubits (two atoms, for example) exchange ...

Superconductivity Sep 7, 2026

Three quantum phases in chromium-based material hint at a spin-triplet superconductor

Superconductors are materials that conduct electricity without electrical resistance when cooled below a specific critical temperature. These materials have proved promising for the development of various technologies, including ...

General Physics Sep 3, 2026

BESIII sets world's most stringent direct limit on Lambda hyperon electric dipole moment

The BESIII Collaboration, led by the Institute of High Energy Physics of the Chinese Academy of Sciences, has achieved the world's most precise measurement of the electric dipole moment (EDM) of the Lambda (Λ) hyperon using ...

Condensed Matter Aug 18, 2026

Unusual superconductivity could emerge in valley-imbalanced rhombohedral graphene

Superconductors are materials in which electrical current flows with a resistance of zero, typically below specific temperatures. In conventional superconductors, this state of matter emerges when two electrons bind together ...

Condensed Matter Aug 16, 2026

Strain flips Hall signal in altermagnetic manganese telluride, suggesting a path to practical spintronics

Time-reversal symmetry is an exotic behavior found in systems whose internal physics looks different when running forward versus backward in time. For some time, physicists have searched for this behavior in systems with ...

General Physics Jul 23, 2026

Molecular clock transitions tune out the noise in the hunt for new physics

Heavy polar molecules are some of the most sensitive tools physicists have for probing what lies beyond the Standard Model, the theory that describes the particles and forces we know about. But turning that sensitivity into ...

Condensed Matter Jul 2, 2026

Spontaneous current loops in a kagome metal point to hidden quantum order

Quantum materials, materials exhibiting physical behavior governed by the laws of quantum mechanics, have proved promising for the development of numerous advanced technologies, including quantum technologies, memory devices ...

Superconductivity Jun 22, 2026

Broken time-reversal symmetry phase in kagome metals may establish conditions for superconductivity

Physicists have long suspected that a peculiar quantum state lurks inside a class of materials known as kagome metals, but proving its existence has been elusive. Now, a team led by Yeongkwan Kim at the Korea Advanced Institute ...

Condensed Matter Jun 17, 2026

Reversible chirality switching in MoS₂ generates spin currents without magnets

A newly developed method allows researchers to dynamically switch chirality—a particular lack of mirror symmetry—to generate spin currents in semiconductors, researchers from Science Tokyo report. Their approach relies on ...

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