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HW #11 (221B), due Apr 22, 4pm 1. Suppose annihilation and creation operators satisfy the standard commutation relation [a, a† ] = 1. (a) Show that the Bogliubov transformation b = a cosh η + a† sinh η (1)
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Document Date: 2014-01-31 18:26:59
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HW #11 (221B), due Apr 22, 4pm 1. Suppose annihilation and creation operators satisfy the standard commutation relation [a, a† ] = 1. (a) Show that the Bogliubov transformation b = a cosh η + a† sinh η (1)