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A team of physicists led by Ryuhei Oka of Ehime University has measured what are known as Dirac electrons in a superconducting polymer called bis-tetrathiafulvalene. These are electrons that exist under conditions that effectively make them massless, allowing them to behave more like photons and oscillate at the speed of light.
Formulated from the equations of the theoretical physicist Paul Dirac nearly a century ago, we now know they're out there – they've been Oka and colleagues found a way to do this by leveraging a property called electron spin resonance. Electrons are charged particles that spin; this rotating distribution of charge means they each exhibit a. So, when a magnetic field is applied to a material, it can interact with the spins of any unpaired electrons therein, altering their spin state..
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