p39_068 - 68. (a) We use Eulers formula ei = cos + i sin to...

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68. (a) We use Euler’s formula e =cos φ + i sin φ to re-write ψ ( x )as ψ ( x )= ψ 0 e ikx = ψ 0 (cos kx + i sin ) =( ψ 0 cos )+ i ( ψ 0 sin a + ib , where a = ψ 0 cos and b = ψ 0 sin are both real quantities. (b) ψ ( x, t ψ ( x ) e iωt = ψ 0 e ikx e
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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