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Currently i am studing about quantum confinement in semiconductors and came across effective mass approximation.but i am unable to understand this concept. what is the use of effective mass approximation in semiconductours.i am not a physicist so if possible please use less equations.

Advance thanks

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What exactly confuses you about the concept? The more detail you give in your question, the better the answer you'll get. – David Z Sep 4 '12 at 20:11
@DavidZaslavsky one of my doubt is why for finding energy gap of a semiconductors we need EMA..what is its importance? – Eka Sep 5 '12 at 17:16

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