Physics, asked by veenajetpuriya9846, 1 year ago

Why is effective mass of an electron is different frim the free electron mass?

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Answered by ayeshasiddiqa16

The effective mass is a quantity that is used to simplify band structures by modeling the behavior of a free particle with that mass. ... For electrons or electron holes in a solid, the effective mass is usually stated in units of the rest mass of an electron, me (9.11×10−31 kg).

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