Transformation of energy space to momentum space

In summary, the conversation discusses the use of a relation, g(e) = g(p)/f’, to transform from one space to another. The question is raised whether this relation can be applied to transform wavefunctions from energy space to momentum space. It is determined that this transformation is possible due to the fact that both phase space and momentum space have three dimensions. However, it is not possible to apply this transformation to energy space, which is only one dimensional. The possibility of transforming from position space to momentum space is also discussed.
  • #1
queries
6
0
I have learned that to transform from one space to another, we can use
g(e) = g(p)/f’, where de/dp = f’

Can we use this relation to transform wavefunctions of energy space to momentum space?
If not, why?
If so, that's very strange as E= p^2/2m and dE/dp= p/m and put into
|psi>=exp(iEt/hbar) ==>|psi>= exp(ipt/mhbar)??
 
Physics news on Phys.org
  • #2
phase space has three dimensions and momentum space has three dimensions. So, transformation is possible. Energy space is one dimensional, so ... it is not possible.
 
  • #3
I see.. Thanks.. So can I do the same for position space and momentum space as they both have three dimensions?
 

1. What is the transformation of energy space to momentum space?

The transformation of energy space to momentum space refers to the mathematical process of converting a physical system's energy representation to its momentum representation. This is an important concept in quantum mechanics and is often used to analyze the behavior of particles on a microscopic level.

2. Why is the transformation of energy space to momentum space important?

The transformation of energy space to momentum space is important because it allows scientists to understand the behavior of particles in a more fundamental way. By converting energy to momentum, we can analyze the movement and interactions of particles at a quantum level, which is crucial in fields such as particle physics and quantum mechanics.

3. How is the transformation of energy space to momentum space performed?

The transformation of energy space to momentum space is performed using mathematical equations, such as the Fourier transform. This involves taking the energy representation of a physical system and converting it to its momentum representation using specific formulas and procedures.

4. What is the relationship between energy and momentum in this transformation?

The relationship between energy and momentum in the transformation of energy space to momentum space is known as the uncertainty principle. This states that the more accurately we know the position of a particle in energy space, the less accurately we can determine its momentum, and vice versa.

5. What applications does the transformation of energy space to momentum space have?

The transformation of energy space to momentum space has many applications in various fields, including quantum mechanics, atomic and molecular physics, and material science. It is also crucial in understanding the behavior of subatomic particles and their interactions in particle accelerators.

Similar threads

I Infinite momentum is impossible, boundary term in integration by parts
    • Quantum Physics
Replies
24
Views
521
I Boundary conditions for the momentum space SE
    • Quantum Physics
Replies
17
Views
805
I Translating the harmonic oscillator
    • Quantum Physics
Replies
2
Views
779
I Finding Momentum Mean & Variance from Wavefunction
    • Quantum Physics
Replies
5
Views
1K
A Off-Forward quark-quark amplitude in momentum space
    • Quantum Physics
Replies
1
Views
555
I Fourier Transform of Photon Emission Hamiltonian
    • Quantum Physics
Replies
4
Views
806
I Basic question on meaning of momentum operator
    • Quantum Physics
2
Replies
56
Views
3K
I Momentum/Position space wave function
    • Quantum Physics
Replies
3
Views
2K
A Wave-packet in configuration space
    • Quantum Physics
Replies
1
Views
621
I How does one compute the Fourier-Transform of the Dirac-Hamiltonian?
    • Quantum Physics
Replies
6
Views
1K

Hot Threads

Recent Insights

Back
Top