Dual Nature of Photon (and such particles) - WHY?

14
0
I know that photons and other particles of comparatively smaller dimension show dual nature. But why? Can someone help me? :confused:
 
2,783
587
Why the idea was proposed?
Or how the experimental data suggest/confirm that?
Or what is the underlying theory that gives rise to wave-particle duality?

Which one is the meaning of your "why" ?
 

Doug Huffman

Gold Member
802
110
Macroscopic entities also have wave-like properties, as a literature search will show. Whys about nature are teleologic.
 
9,187
2,095
I know that photons and other particles of comparatively smaller dimension show dual nature. But why? Can someone help me? :confused:
You mean the so called wave particle duality?

Surprisingly the answer is they don't - the wave particle duality is simply a concept from popularisations and beginning texts - see our FAQ:
https://www.physicsforums.com/threads/is-light-a-wave-or-a-particle.511178/

Its really quantum stuff.

What's quantum stuff - I think the following is a good place to start on that interesting lifelong journey:
http://www.scottaaronson.com/democritus/lec9.html

Thanks
Bill
 
14
0
You mean the so called wave particle duality?

Surprisingly the answer is they don't - the wave particle duality is simply a concept from popularisations and beginning texts - see our FAQ:
https://www.physicsforums.com/threads/is-light-a-wave-or-a-particle.511178/

Its really quantum stuff.

What's quantum stuff - I think the following is a good place to start on that interesting lifelong journey:
http://www.scottaaronson.com/democritus/lec9.html

Thanks
Bill
Thank you for your reply, but are you saying that photons do not have dual nature?
 
Last edited by a moderator:

jtbell

Mentor
15,369
3,115
Photons are quantum objects that have their own single nature. They act in some ways that are reminiscent of classical particles, and in other ways that are reminiscent of classical waves.

Do you know the tale about the blind men and the elephant?
 
14
0
no
Photons are quantum objects that have their own single nature. They act in some ways that are reminiscent of classical particles, and in other ways that are reminiscent of classical waves.

Do you know the tale about the blind men and the elephant?
No...
 

Bystander

Science Advisor
Homework Helper
Gold Member
5,086
1,088
One felt a leg and likened the elephant to a tree. Another felt the tail and likened the elephant to a rope. The third felt something and likened it to something else. All were correct, and none had any idea what an elephant looked like or was.
 
14
0
OK, so a photon has many characteristics, I get it... My point being, why quantum particles have both wave as well as particle nature? Is there any boundaries for this characteristic?
 
9,187
2,095
OK, so a photon has many characteristics, I get it... My point being, why quantum particles have both wave as well as particle nature? Is there any boundaries for this characteristic?
The full theory tells you when and why.

For example the solution of Schroedinger's equation for a free particle is wave-like. Why? Its just the way the math works. Why the math - see the first three chapters of Ballentine:
https://www.amazon.com/dp/9814578584/?tag=pfamazon01-20

Thanks
Bill
 
Last edited by a moderator:

Related Threads for: Dual Nature of Photon (and such particles) - WHY?

  • Posted
Replies
0
Views
1K
  • Posted
Replies
1
Views
446
Replies
1
Views
1K
  • Posted
Replies
14
Views
12K
  • Posted
Replies
13
Views
1K
Replies
12
Views
5K

Physics Forums Values

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving

Hot Threads

Top