Can light spark superconductivity? A new study reignites debate
Magnetic measurements point to zero electrical resistance, but some physicists are unconvinced 

An illustration shows a grid of atoms being hit with a red beam of laser light. Blue lines indicating a magnetic field emanate from the lit-up region.
When hit with laser light (illustrated, red), a cuprate containing copper and oxygen atoms (blue and red spheres) expels magnetic fields (blue). That effect strengthens the case for light-induced superconductivity in such materials.

SEBASTIAN FAVA, JÖRG M. HARMS

Can light spark superconductivity? A new study reignites debate
Magnetic measurements point to zero electrical resistance, but some physicists are unconvinced 

An illustration shows a grid of atoms being hit with a red beam of laser light. Blue lines indicating a magnetic field emanate from the lit-up region.
When hit with laser light (illustrated, red), a cuprate containing copper and oxygen atoms (blue and red spheres) expels magnetic fields (blue). That effect strengthens the case for light-induced superconductivity in such materials.

SEBASTIAN FAVA, JÖRG M. HARMS https://www.sciencenews.org/article/light-superconductivity-cuprates#

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