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Louis de Broglie, French physicist best known for his research on quantum theory and for predicting the wave nature of electrons. He was awarded the 1929 Nobel Prize for Physics. Learn more about de Broglie’s life, career, and accomplishments in this article.
- Barbara Lovett Cline
In his 1924 PhD thesis, he postulated the wave nature of electrons and suggested that all matter has wave properties. This concept is known as the de Broglie hypothesis, an example of wave–particle duality, and forms a central part of the theory of quantum mechanics .
Learn about the French physicist who discovered the wavelength of electrons and proposed that all matter has wave properties. See how his theory influenced the Bohr model of the hydrogen atom and how to apply his equation to calculate wavelengths and velocities.
Learn how de Broglie's wavelength, Schrödinger's equation, and Heisenberg's uncertainty principle describe the wave-particle nature of electrons. Explore the Bohr model, the Stern-Gerlach experiment, and electron spin.
- Why is the spin number expressed as +1/2 or -1/2, rather than just +1 or -1 ?In the spin quantum number the electrons are represented either by +1/2 or -1/2, and as shown in the quantum numbers video it is said that the elec...
- I've some questions on this statement: The square of the wave function represents the probability ...It's mostly a function in mathematics. It would be like asking "what is the average distance of a cosine wave from the center?" - and this might se...
- referring to the image on orbital shapes, why do the p,d,f orbitals have such "out of the blue" shap...The shapes have been calculated from Schrodinger's equation. Moreover , the shapes represent the region where the probability of finding the electr...
- So the formula for de Broglie equation says that lambda= h/mv and..the v of a stationary object will...Isn't to do with the fact that the velocity is not quite 0? if you know it is exactly 0 then the uncertainty in the position is infinite as well (m...
- On Schrödinger's equation, what exactly is the Hamiltonian operator? How do we work with it mathemat...This has to do with Laplacian operator (partial derivative) of a wave function. Here's the formula http://hyperphysics.phy-astr.gsu.edu/hbase/quant...
- In reference to Shrodinger's Equation, what's the difference between the V (wave function symbol) on...You can't cancel out the ψ's like that because Hψ is not H times ψ but rather H operating on ψ (that's what the ^ over the H indicates). The Hamilt...
- I have a really blurry picture of what it means for small particles to behave as both particles and ...I think I can safely say that nobody understands quantum mechanics. - Feynman So you are right on track! :) But to be more pedagogical, you can vie...
- Can we specify type of the wave in schrodinger wave? like transversal or longitudinalI never thought about it before. Its interesting question. My guess is that it is transverse. though, to honest, there is so much dispute about the...
- Does anyone know exactly what "spin" is? If a particle has "spin", it doesn't actually physically sp...Spin is just a property that electrons (and other particles) have. It got named spin back when people were working with the Bohr model and trying t...
- Do nodes of the 1s, 2s, 3s... subshells overlap? (wrt to the graph shown above, it seems they do) If...Atomic orbitals are defined by energy levels not positions. The electron clouds that are depicted are usually where there is a 90% chance of findin...
Nov 21, 2023 · Learn about the life and achievements of Louis de Broglie, the French physicist who proposed the wave nature of matter and the quantum theory of the atom. Find out how his ideas influenced Schrödinger, Bohr and Davisson and Germer.
- What was de Broglie's contribution to the quantum mechanical model of the atom?De Broglie was the first to postulate that both light and matter can be described by wave mechanics. Schrodinger formulated the wave equation based...
- What theory did Louis de Broglie prove?De Broglie developed the theory of wave-matter duality. His theory was later proved to be correct by Davisson and Germer. Also, de Broglie provided...
- Did de Broglie win a Nobel Prize?Yes, he was awarded the Nobel Prize for Physics in 1929 for "for his discovery of the wave nature of electrons."
- How does de Broglie's model differ from Bohr's model?The Bohr model correctly predicted the lines of hydrogen atom spectra by confining the electron to certain "allowed" orbits around the nucleus; how...
Sep 12, 2022 · Today, this idea is known as de Broglie’s hypothesis of matter waves. In 1926, De Broglie’s hypothesis, together with Bohr’s early quantum theory, led to the development of a new theory of wave quantum mechanics to describe the physics of atoms and subatomic particles.
Jun 8, 2018 · Louis de Broglie achieved a worldwide reputation for his discovery of the wave theory of matter, for which he received the Nobel Prize for physics in 1929. His work was extended into a full-fledged wave mechanics by Erwin Schrödinger and thus contributed to the creation of quantum mechanics.
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