How is wave-particle duality related to the uncertainty principle?

Wave-particle duality is the idea that a quantum object can behave like a wave, but that the wave behaviour disappears if you try to locate the object. The quantum uncertainty principle is the idea that it’s impossible to know certain pairs of things about a quantum particle at once.

What if there is no wave-particle duality?

Because, there is no “wave-particle duality” in nature. Some people believes that the wavefunctions used in some formulations of QM are real waves, but this is a mistake. A wave is a physical system which carries energy and momentum. A wavefunction is a mathematical function which cannot be observed.

Does QFT explain wave-particle duality?

So a similar plot would illustrate the wavepacket nature of particle representations in QFT, but the particle/wave duality comes from the nature of the wavefunctions describing the ground state, on which the quantum field creation and annihilation operators work.

How does the concept of wave group lead to uncertainty?

The uncertainty principle arises from the wave-particle duality. Every particle has a wave associated with it; each particle actually exhibits wavelike behaviour. So a strictly localized wave has an indeterminate wavelength; its associated particle, while having a definite position, has no certain velocity.

What do you understand by duality principle in modern physics?

In physics and chemistry, wave-particle duality holds that light and matter exhibit properties of both waves and of particles. A central concept of quantum mechanics, duality addresses the inadequacy of conventional concepts like “particle” and “wave” to meaningfully describe the behaviour of quantum objects.

Who established the Uncertainty Principle?

Werner Heisenberg
In February 1927, the young Werner Heisenberg developed a key piece of quantum theory, the uncertainty principle, with profound implications.