And it potentially paves the way for addressing fundamental questions about the importance of quantum effects in applications ranging from new quantum technologies to biological systems.Dr Magnus Borgh from UEA’s School of Physics said: “There is a long-standing controversy in chemical physics about the nature of processes where energy from particles of light is transferred within molecules.
“These processes are typically investigated using techniques that rely on polarisation – the same property of light used in sunglasses to reduce reflections. But this is a classical phenomenon. Ben Humphries, a Ph.D. student in theoretical chemistry, at UEA, said: “Our research shows that when a molecule exchanges phonons – quantum-mechanical particles of sound – with its environment, this produces a recognizable signal in theWhile photons are routinely created and measured in laboratories all over the world, individual quanta of vibrations, which are the corresponding particles of sound, phonons, cannot in general be similarly measured.
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