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YbSb2 superconductor time-reversal symmetry discovery

Overview

Physicists have identified a unique property in the type-I superconductor ytterbium diantimonide (YbSb2), which spontaneously breaks time-reversal symmetry. Researchers from the Indian Institute of Science Education and Research (IISER) Bhopal synthesized single crystals of the material and observed it entering a superconducting state at approximately 0.95 Kelvin.

Unlike unconventional type-II superconductors, YbSb2 behaves as a type-I superconductor, expelling magnetic fields in its Meissner state and entering an intermediate state at higher magnetic fields. This discovery suggests a new pathway for exploring exotic superconducting states and may influence future quantum computing designs.

Entities

YbSb2 · University of Alberta · Indian Institute of Science Education and Research Bhopal

Timeline

  1. [TECHNOLOGY] 2 sources
    Scientific discoveries reveal quantum symmetry breaking and Earth rotation fluctuations

    Scientific breakthroughs include the discovery of spontaneous time-reversal symmetry breaking in the superconductor YbSb2 and new insights into how Earth's core-mantle interactions affect day length.

  2. [TECHNOLOGY] 2 sources
    YbSb2 superconductor discovered to break time-reversal symmetry

    Physicists have discovered that the type-I superconductor YbSb2 spontaneously breaks time-reversal symmetry, a rare trait previously associated only with type-II superconductors.

Sources

interestingengineering.com · komputerswiat.pl · sciencealert.com · spidersweb.pl