Wave Particle Duality: Masses & Light Speed

In summary, wave-particle duality is a concept in quantum mechanics that explains the dual nature of matter and energy, stating that particles can behave like waves and exhibit wave-like properties. This applies to all particles, regardless of their mass, and is related to the speed of light, which plays a crucial role in determining the wavelength and frequency of a particle's associated wave. According to Einstein's theory of relativity, a particle with mass cannot travel at the speed of light, but massless particles, such as photons, can. This concept has revolutionized our understanding of the physical world and has led to technological advancements in fields such as transistors and lasers.
  • #1
nil1996
301
7
Do all masses show wave particle duality at near about speed of light?
 
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  • #2
All objects show wave particle duality regardless of speed or mass. Not that I like the term wave applied to quantum particles - its not a wave but sometimes has wavelike behavior.

Added Later:
Vanhees71 is correct. Its an outdated concept. But unfortunately we are stuck with it. But quantum particles sometime do show WAVELIKE behavior - but are not waves - nor is there any actual duality which implies some kind of dual nature (ie both a particle and wave) - which isn't true either.

Also see the FAQ;
https://www.physicsforums.com/showthread.php?t=511178
'So there is no duality – at least not within quantum mechanics. We still use the “duality” description of light when we try to describe light to laymen because wave and particle are behavior most people are familiar with. However, it doesn’t mean that in physics, or in the working of physicists, such a duality has any significance.'

Thanks
Bill
 
Last edited:
  • #4
thanks
 
  • #5
Mentor's note: if there is further discussion, it can proceed in the thread linked above.
 

Related to Wave Particle Duality: Masses & Light Speed

1. What is wave-particle duality?

Wave-particle duality is a fundamental concept in quantum mechanics that describes the dual nature of matter and energy. It states that particles, such as electrons, can behave like waves and exhibit wave-like properties, such as interference and diffraction. This means that matter can have both particle-like and wave-like characteristics at the same time.

2. How does wave-particle duality relate to mass?

According to the theory of wave-particle duality, all particles, regardless of their mass, have both wave-like and particle-like properties. This means that even particles with large masses, such as protons and neutrons, can exhibit wave-like behaviors. However, the wavelength associated with these particles is extremely small and difficult to detect.

3. What is the significance of the speed of light in wave-particle duality?

The speed of light, denoted as c, is a fundamental constant in physics and plays a crucial role in wave-particle duality. It is the fastest speed at which anything in the universe can travel, and it is the speed at which electromagnetic waves, such as light, propagate. In wave-particle duality, the speed of light is used to determine the wavelength and frequency of a particle's associated wave.

4. Can a particle have both mass and travel at the speed of light?

According to Einstein's theory of relativity, as an object's speed approaches the speed of light, its mass increases. This means that a particle with mass cannot reach the speed of light. However, massless particles, such as photons, do travel at the speed of light and exhibit wave-like behavior.

5. How does wave-particle duality impact our understanding of the physical world?

Wave-particle duality has revolutionized our understanding of the physical world by challenging our classical Newtonian understanding of particles as solid, tangible objects. It has also led to the development of quantum mechanics, which has been crucial in understanding the behavior of particles at the atomic and subatomic level. Wave-particle duality has also played a significant role in technological advancements, such as the development of transistors and lasers.

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