Engineered quantum vacuum fluctuations inside cavity non-invasively boost a material's superconducting critical temperature and current
https://www.eurekalert.org/news-releases/1141207 "embed thin niobium diselenide devices inside a THz split-ring dark cavity to reshape vacuum's ambient EM to couple with material's superconducting state... increases superconductor's critical transition temperature up to 5.4%, boosts critical current/ magnetic field thresholds near transition point, without using external energy... resonant dependence tied to cavity's photonic frequency modes, confirming virtual photons within cavity alters landscape... quantum state engineering: passive, non -invasive/-contact"