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Monday, December 22, 2014

Schrödinger's Equation

From the post "Nothing Probabilistic, No Dice",

2ψ+(nx)2ψ=0

we consider the fundamental frequency, n=1 and x=aψ

2ψ+(1aψ)2ψ=0

From the post "H Bar And No Bar",

=aψ.mv

2ψ+(mv)2ψ=0

22ψ+(mv)2ψ=0

But,

12mv2=EV

So,

22m2ψ+(EV)ψ=0

22m2ψ+Vψ=Eψ --- (*)

And we almost have Schrödinger's Equation.  Consider,

ψ=|ψ|eiwt

˙ψ=iω|ψ|eiwt=iωψ

˙ψ=iωψ=iEψ

as E=hf=ω

i˙ψ=Eψ

Substitute the above into (*),

i˙ψ=22m2ψ+Vψ

this is the conjugated Schrödinger's Equation.

And we conjugate both sides and replace ψ with ψ (symbolically)

i˙ψ=22m2ψ+Vψ

where Euler's identity eiπ=1 leads to eiπ/2=i; and i rotates between orthogonal dimensions.

π/2 orthogonal

And ψ is clearly energy density.  Thank you very much.