Andreev reflection is the production of one of these and a retroreflected hole at a barrier.
Andreev reflection is the production of one of these and a retroreflected hole at a barrier. The presence or absence of these determines the basis states of a charged qubit, and the appearance of them in quarks is known as color-flavor locking. In 2003, they were created using potassium atoms in a material known as fermionic condensate, and their size is equal to their coherence length at absolute zero. Caused by electron-phonon interactions with energy lower than the Fermi energy, they are easily disturbed by thermal diffusion and thus only form at extremely low temperatures. For 10 points, name this agglomeration of two electrons that carries current within a superconducting material.
Andreev reflection is the production of one of these and a retroreflected hole at a barrier.
{Cooper pair}s