Unformatted text preview: 2 y 2 + V ( x ) where V ( x ) = ‰ , ≤ x ≤ L ∞ , otherwise . (a) What are the energy levels of the system described by H ? (b) Imagine that the parameters of the system are adjusted (frequently called tuning) so that the ﬁrst excited state is degenerate. What are the eigenvalues in this case? (c) Show that the tuning described in part (b) implies that only a ﬁnite number of states are nondegenerate. Give their energies as multiples of ~ ω . 1...
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 Spring '09
 Physics, Mass, Photon, 2m, 1 2m

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