Wave-Particle Duality: 20th Century Evidence

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Discussion Overview

The discussion revolves around the concept of wave-particle duality as evidenced in the 20th century, exploring how waves and particles interact, particularly focusing on the behavior of photons. Participants examine the nature of collisions versus interference in waves and the implications of frequency on these behaviors.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants propose that waves can behave like particles and vice versa, questioning whether waves can collide, specifically using photons as an example.
  • One participant clarifies that waves do not collide but interfere, which is a fundamental characteristic of wave behavior.
  • Another participant mentions that photon-photon collisions are predicted within the Standard Model, although experimental verification is challenging due to small cross-sections.
  • There is a discussion about the dependence of wave behavior on frequency, with one participant suggesting that at high frequencies, waves exhibit particle-like characteristics and may not show wave-like behavior.
  • A participant raises uncertainty about the interaction between waves and particles, specifically questioning what occurs when a wave interacts with a photon.

Areas of Agreement / Disagreement

Participants express differing views on the nature of wave interactions, with some emphasizing interference over collision, while others suggest that high-frequency waves may behave differently. The discussion remains unresolved regarding the specifics of wave and photon interactions.

Contextual Notes

Participants reference the Young's double slit experiment as a means to clarify wave behavior, but there are unresolved questions about the conditions under which waves and particles interact, particularly regarding mass and frequency.

expscv
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scitensit in 20th centry suggest that

wave can behaviour like a particle

and particle can behave like a wave


for first propose wave can behave like a particle

but does it ever collide?

e.g photons
 
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Waves aren't said to collide, they are said to interfere. This is the hallmark of waves. Interference is basically the interaction of waves which gives rise to interesting phenomena.








spacetime
www.geocities.com/physics_all
 
expscv said:
scitensit in 20th centry suggest that

wave can behaviour like a particle

and particle can behave like a wave


for first propose wave can behave like a particle

but does it ever collide?

e.g photons

Photon-photon collision IS predicted within the Standard Model. It has not been possible to do this experimentally yet because the cross-section is extremely small. In fact, the appreciable range where this can start to be detected is for a gamma-gamma collision. There are many facilities (such as TESLA at DESY) throughout the world that are designing their particle colliders to also able to such measurements.

http://www-zeuthen.desy.de/TESLA/gammagamma/gg_intro.html
http://arxiv.org/abs/hep-ph/0106077

Zz.
 
See, the thing is, that it depends on freqency . If the freqency of a wave is very high the wave behaves as a particle and at very high freqencies it shows no chareterstics of a wave.

So, basically as the guyz before me have stated, there is no collision in waves there is interfearence, you might want to look up the young's double slit experiment to get a clearer view.

Oh and by the way, I'm not sure, if you asked about waves with waves or waves with particles. And if you asked about waves and particles, then its a good question. Well, a wave at low frequencies would probably just be opposed by mass but with a photon that has no mass, I'm pretty unsure abt it, could someone else explain that? What does happen when a wave and a photon are pitted against each other?
 
ZapperZ said:
Photon-photon collision IS predicted within the Standard Model. It has not been possible to do this experimentally yet because the cross-section is extremely small. In fact, the appreciable range where this can start to be detected is for a gamma-gamma collision. There are many facilities (such as TESLA at DESY) throughout the world that are designing their particle colliders to also able to such measurements.

http://www-zeuthen.desy.de/TESLA/gammagamma/gg_intro.html
http://arxiv.org/abs/hep-ph/0106077

Zz.


ic ic thanks also from ""the thinker"



that usually wave as particle collides when at high frequency, such as gamma ray =)
 

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