Attractive Forces: Understanding Particle Exchange

  • Context: Graduate 
  • Thread starter Thread starter Sneil
  • Start date Start date
  • Tags Tags
    Forces
Click For Summary
SUMMARY

This discussion focuses on the complexities of particle exchange in quantum mechanics, particularly the differences in interactions mediated by gluons in strong force versus photons in electromagnetic (EM) force. The user, a first-year undergraduate, seeks clarity on wave functions in quantum mechanics (QM) and their role in describing particle behavior. Key points include the understanding of wave functions as probability distributions and the user's confusion regarding their representation in momentum space. The conversation highlights the need for foundational knowledge in quantum mechanics to grasp these concepts effectively.

PREREQUISITES
  • Basic understanding of quantum mechanics principles
  • Familiarity with wave functions and their mathematical representation
  • Knowledge of particle interactions: weak, electromagnetic, and strong forces
  • Concept of probability distributions in physics
NEXT STEPS
  • Study the role of gluons in strong force interactions
  • Learn about wave functions in quantum mechanics and their mathematical formulations
  • Explore the concept of momentum space in quantum mechanics
  • Read about virtual particles and their significance in particle physics
USEFUL FOR

First-year undergraduate students in physics, educators explaining quantum mechanics concepts, and anyone interested in the fundamental interactions of particles and their mathematical descriptions.

Sneil
Messages
18
Reaction score
0
I'm having trouble understanding how the exchange of particles, wether it be in weak, Em, or Stong interactions, can cause an attraction between matter particles. Or how glueons produce such a stonger interaction with the strong force then say photons in the EM force. Can someone post a link or two describing the process or give an expanation? I'm asking this question as a first year undergrad student, so I have no higher education regarding this at all... :rolleyes:
thanks:smile:
 
Last edited:
Physics news on Phys.org
Thanks for that, I had a feeling it was going to be a lot more complicated then to get a simple layman explanation. I guess that's a good thing as I can ask questions and get a (hopefully) deeper understanding of the process. I haven't studied wave functions in QM so I'm having difficulty grasping what they really are. Are they similar to the wave function decribing a classical wave,
ie. SHM in classical physics in a spring?

as in: y(x,t) = A sin [2pi/lambda (x-vt)]

I know complex-numbers are needed for QM wave functions, but is the idea behind them still just a description of the particle's wave motion or position of particle? From what I understand a QM wave is finding the probablility of finding the position of a particle within a possible wave/sinusoidal area..

So, with this statement from the article,
"Suppose, for simplicity, that the charged particles' wave functions are initially Gaussians at rest, that is, normal bell-shaped, real-valued functions, and that they are lined up along the x axis. You can think of the wave functions, schematically, as looking like this:

...... ____ ......... ____
.... /...\ ......./...\ ...x -->
..._/...\_ ...... _/...\_
0 _______/....\_________________/.....\__________"

For me I wouldn't expect the wavefunction to look like half a wave, but in sinusoidal form, that is if my I'm understanding of the wavefunction being a particle's mode of vibration and probability of finding the particle in a definite space is correct...

maybe I'll stop there for now. can anyone point me in the right direction regarding the wave function. Am I at all on the right track at all or a lost cause:-p .

I must be a lost cause because this completely throws off my train of thought:
"I can also define wave functions in 'momentum space'" momentum has a wavefunction?:rolleyes:

sorry for my ignorance, I hope someone can put up with me and take the time to point me in the right direction.:redface:
thanks
Neil

EDIT: sorry i guess it's not that hard for me to find info on the wave function. I'll do some reading and if I have anymore question's regarding that article I'll ask. Thanks again jtbell for the article.
 
Last edited:

Similar threads

  • · Replies 12 ·
Replies
12
Views
3K
  • · Replies 22 ·
Replies
22
Views
4K
  • · Replies 4 ·
Replies
4
Views
5K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 8 ·
Replies
8
Views
4K
  • · Replies 14 ·
Replies
14
Views
4K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 2 ·
Replies
2
Views
4K
  • · Replies 13 ·
Replies
13
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K