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Researchers Boost Superconductor Transition Temp by 1%

Quantum ZeitgeistNovember 1, 20264 min read

Can manipulating superconductivity *without* adding energy be achieved through careful electromagnetic design? New theoretical work demonstrates a one percent increase in superconducting transition temperature by coupling a two-dimensional superconductor to a terahertz resonator, ten times greater than previous analyses that ignored key material properties. This suggests a path toward controlling quantum materials passively, without external driving or heat generation.

A one percent increase in a superconductor’s transition temperature has been achieved by linking it to a terahertz resonator; previously similar analyses showed only a tenth of one percent enhancement when phase fluctuations were not considered. Frieder Lindel, Jonathan B Curtis, Jérôme Faist and Eugene Demler demonstrated this effect through an equilibrium theory modelling how electromagnetic interactions modify superconductivity. Linking superconductors, materials offering zero electrical resistance, to tiny resonators subtly raises their operating temperature; previous work…

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