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How does exactly Excitons carry energy without transporting charge?

eakadeh
in Quantum Theory

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Hi guys

I'm a medical student and therefore I don't have much background in quantum physics, But I was reading an article about Excitonic Circuits related to optic medical instruments and I got curious to know how can an exciton transport energy and momentum, but not mass and charge, interacting with (or advancing through) a medium?

Edited by eakadeh

Its a quasiparticle. Excited electron and a hole. Once they meet again the electron is as it was.

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