Uncertainty: Measuring Electron Position w/o Light

  • Thread starter cosmic.ash
  • Start date
In summary, the uncertainty principle may not be refuted by measuring the position of an electron through its gravitational influence on another subatomic particle instead of sending light at it. Additionally, the HUP should not be confused with the observer effect, as it deals with the simultaneous measurement of two quantities rather than observation.
  • #1
cosmic.ash
7
0
Could the uncertainity principle be refuted if we do not measure the position of an electron by sending light at it but instead measure its grav influence on another subatomic particle
 
Physics news on Phys.org
  • #2
cosmic.ash said:
Could the uncertainity principle be refuted if we do not measure the position of an electron by sending light at it but instead measure its grav influence on another subatomic particle
The HUP should not be confused with observer effect. The HUP deals with the simultaneous measurement of two quantities, not observation. In other words, the HUP doesn't care about how we measure the two quantities just the fact that we have measured them.
 
Last edited:
  • #3
Hootenanny said:
The HUP should not be confused with observer effect. The HUP deals with the simultaneous measurement of two quantities, not observation. In other words, the HUP doesn't care about how we measure the two quantities just the fact that we have measured them.
Not exactly; see this thread (in particular, post n.16):
https://www.physicsforums.com/showthread.php?t=179089&highlight=uncertainty&page=2
 
  • #4
lightarrow said:
Not exactly; see this thread (in particular, post n.16):
https://www.physicsforums.com/showthread.php?t=179089&highlight=uncertainty&page=2
Good catch and fair point lightarrow. I'll rephrase;

The HUP should not be confused with observer effect. The HUP deals with the measurement of two quantities, not observation. In other words, the HUP doesn't care about how we measure the two quantities just the fact that we have measured them.
 

1. What is uncertainty in the context of measuring electron position without light?

Uncertainty refers to the limitations and imprecision in determining the exact position of an electron without using light. This is due to the inherent wave-like nature of electrons and the Heisenberg Uncertainty Principle, which states that it is impossible to simultaneously know the exact position and momentum of a particle.

2. How is the position of an electron without light measured?

The position of an electron without light is measured using a technique called electron diffraction, where a beam of electrons is directed towards a sample and the resulting diffraction pattern is used to determine the position of the electrons.

3. Can the uncertainty in measuring electron position without light be reduced?

No, the uncertainty in measuring electron position without light cannot be reduced. This is due to the fundamental nature of electrons and the Heisenberg Uncertainty Principle, which sets a limit on our ability to precisely measure the position of a particle.

4. How does the uncertainty in measuring electron position without light affect scientific research?

The uncertainty in measuring electron position without light can have a significant impact on scientific research, particularly in fields such as quantum mechanics and nanotechnology. It requires scientists to carefully consider and account for the limitations and imprecision in their measurements and calculations.

5. Are there any alternative methods for measuring electron position without light?

Yes, scientists have developed alternative methods for measuring electron position without light, such as scanning tunneling microscopy and atomic force microscopy. These techniques use the interactions between electrons and a sample to create an image of the electron's position, rather than relying on diffraction patterns.

Similar threads

  • Quantum Physics
Replies
3
Views
223
  • Quantum Physics
2
Replies
48
Views
3K
  • Quantum Physics
Replies
20
Views
913
Replies
8
Views
2K
  • Quantum Physics
Replies
1
Views
497
Replies
4
Views
1K
Replies
12
Views
1K
  • Quantum Physics
2
Replies
48
Views
3K
  • Quantum Physics
Replies
17
Views
1K
Replies
14
Views
1K
Back
Top