= Spin–charge separation
{wiki=Spin–charge_separation}
Spin-charge separation is a theoretical concept in condensed matter physics that describes the phenomenon where the spin and charge of an electron behave as distinct entities in certain materials, particularly in low-dimensional systems such as one-dimensional wires or two-dimensional materials. In conventional metallic systems, electrons are treated as point-like particles that carry both charge and spin, which are not separable.
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