Exact solutions for potential V=(|x|-a)^2

In summary, the potential function V(x) for this equation is V(x) = (|x|-a)^2. The parameter a represents the distance at which the potential function reaches its minimum value and is also known as the "well depth" of the potential. When a = 0, the potential function reduces to V(x) = |x|^2, and when a = 1, the potential becomes symmetric around the origin. The energy levels for this potential function are equally spaced and converge to a finite value as the energy increases. The potential function can be solved analytically using the Schrödinger equation and the method of separation of variables, resulting in the Hermite polynomials as solutions.
  • #1
Kurret
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I heard that this potential is exactly solvable (ie one can find the eigenstates of the quantum mechanical problem exactly). However, I can not find a reference. I heard it is in Merzbacher, but I can not find it. Is it correct that this is exactly solvable? Can someone provide a good reference?
 
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  • #3
Thanks!
 

FAQ: Exact solutions for potential V=(|x|-a)^2

What is the potential function V(x) for this equation?

The potential function V(x) for this equation is V(x) = (|x|-a)^2.

What is the physical significance of the parameter a in this potential function?

The parameter a represents the distance at which the potential function reaches its minimum value. It is also known as the "well depth" of the potential.

Are there any special cases for this potential function?

Yes, when a = 0, the potential function reduces to V(x) = |x|^2, which is the standard harmonic oscillator potential. When a = 1, the potential becomes symmetric around the origin.

How do the energy levels for this potential function compare to other common potentials?

The energy levels for this potential function are equally spaced, similar to the harmonic oscillator potential. However, the energy levels converge to a finite value as the energy increases, unlike the infinite energy levels for the harmonic oscillator.

Can this potential function be solved analytically?

Yes, the potential function can be solved analytically using the Schrödinger equation and the method of separation of variables. The resulting solutions are known as the Hermite polynomials.

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