To find the energy eigenvalues in the 3D Hilbert space

In summary, to find the energy eigenvalues of an operator, one would typically write the matrix form of the operator and then proceed with further calculations. In this specific example, the fictitious system with three degenerate angular momentum states and a Hamiltonian of \hat H=\alpha (\hat L^2_++\hat L^2_-) is described, where ##\alpha## is a positive constant.
  • #1
Double_Helix
A fictitious system having three degenerate angular momentum states with ##\ell=1## is described by the Hamiltonian [tex]\hat H=\alpha (\hat L^2_++\hat L^2_-) [/tex] where ##\alpha## is some positive constant. How to find the energy eigenvalues of ##\hat H##?
 
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  • #2
How would you usually find the eigenvalues of an operator?

Also, the end tag is [/tex], not [\tex]. Or you can just use double hashes (##) for both tags instead.
 
  • #3
  1. Orodruin said:
    How would you usually find the eigenvalues of an operator?
    I tried to write the matrix form of the operator.
 
  • #4
ZeroFuckHero said:

  1. I tried to write the matrix form of the operator.
And that looked like? What did you do after that?
 

FAQ: To find the energy eigenvalues in the 3D Hilbert space

What is a 3D Hilbert space?

A 3D Hilbert space is a mathematical concept used to describe the set of all possible states of a physical system in three dimensions. It is a vector space that satisfies certain mathematical properties, such as being complete and having an inner product defined on it.

Why is it important to find the energy eigenvalues in the 3D Hilbert space?

The energy eigenvalues in the 3D Hilbert space provide crucial information about the possible energy states of a physical system. This allows for a better understanding of the behavior and properties of the system, and can be used to make predictions and calculations.

How are the energy eigenvalues in the 3D Hilbert space calculated?

The energy eigenvalues are found by solving the Schrödinger equation, which is a fundamental equation in quantum mechanics that describes the time evolution of a physical system. This equation takes into account the potential energy and kinetic energy of the system to determine the allowed energy states.

What factors can affect the energy eigenvalues in the 3D Hilbert space?

The energy eigenvalues can be affected by various factors, such as the shape of the potential energy function, the strength of the interaction between particles, and the presence of external forces. These factors can change the allowed energy states and alter the behavior of the system.

How are the energy eigenvalues in the 3D Hilbert space experimentally determined?

The energy eigenvalues can be experimentally determined by measuring the energy levels of a physical system and comparing them to the theoretical values predicted by solving the Schrödinger equation. This can be done through various techniques such as spectroscopy or particle scattering experiments.

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