reduced Planck's constant

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re·duced Planck's constant

 (rĭ-do͞ost′, -dyo͞ost′)
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where h is reduced Planck's constant (i.e., h/2[pi]), [m*.sub.n] and [m*.sub.p] are the electron effective mass and hole effective mass, respectively, n and p are the electron concentration in conduction band and hole concentration in valence band, respectively, and q is electron charge.

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