De Broglie waves
What is a de Broglie wave and what is their significance?

Title photo: artistic rendition of the wave-particle duality. Credit: Timothy Yeo / CQT, National University of Singapore
The first thing to define a de Broglie wave, is to examine the one who bears its name. He was a French physicist born, August 15, 1892 in Dieppe, France. He was of French nobility, his full name was Louis-Victor-Pierre-Raymond, 7th duc de Broglie.
De Broglie
His 1924 PhD thesis postulated a wave nature of electrons and suggests that all matter has wave properties. His concept is known as the de Broglie hypothesis de Broglie hypothesis which explains wave-particle duality, as both a particle and a wave. This theory addresses the core of quantum mechanics. De Broglie was awarded the 1929 Nobel Prize for Physics for his discoveries.
To explain wave-particle duality, the purdue.edu website explains it as: De Broglie started with the fact that light acts as both a particle and a wave. In many ways light acts as a wave, with a characteristic frequency, wavelength, and amplitude. Einstein argued, however, that light carries energy as if it contains discrete photons or packets of energy. In his doctoral thesis at the Sorbonne in 1924, de Broglie looked at the consequences of assuming that light simultaneously has the properties of both a particle and a wave. He then extended this idea to other objects, such as an electron.
When an object behaves as a particle in motion, it has an energy proportional to its mass (m) and speed with which it moves through space (s).

When it behaves as a wave, however, it has an energy that is proportional to its frequency.
Wikipedia refers to the de Broglie waves as “Matter wave”: The de Broglie wavelength is the wavelength, λ, associated with a particle with momentum, p, through the Planck constant, h:

Wave-like behavior of matter has been experimentally demonstrated, first for electrons in 1927 and for other elementary particles, neutral atoms and molecules in the years since.
The de Broglie wave is consistent with the CATTCC theory for the path of particle motion
From behind the CATTCC paywall: The cyclic pattern of motion in particle mass is similar to the particle string theory of particle mass presented by Gabriele Venezianoin. The actual path of motion in particle mass was discovered in the search to find a definition for gravity. It was found that Einstein’s famous theory of relativity holds the answer in explaining gravity.
Magnetics is the action of stray electrons in ferrous materials. Then, how can atoms of non-ferrous composition hold electromagnetic properties, since it is the scientific claim that magnetism is an action of ferromagnetism? Since science has established magnetic action as ferromagnetism, how are magnetic properties able to exist in subatomic properties and yet lose their magnetic existence in large quantities of element mass that aren't ferrous?
The conclusion is found with the science of electrogravitics.
There are questions which science hasn't answered. Here's another question: do gravitational properties only exist in large quantities? This has an answer. Gravity is a process of subatomic movement.
There is a strong relationship with de Broglie’s theory of wave duality and gravity.
Here is part of this newly proposed theory on particle movement. There is a path to all matter. The path is analogous to a ribbon in an elliptical Mobius strip with twists in the ribbon. This elliptical ribbon with its defined twists is stretched out to a linear path in sync traveling at the speed of light. The angular momentum of the twists at that speed; is gravity. ©
The significance of knowing this pattern is in manipulating the wave pattern for traveling along that frequency; surfing gravity waves. This concept is useful to transportation, for speed potential in space flight.
Furthering the exploration into de Broglie’s theory is the following in support of his postulation of particle wave duality. This is another excerpt from behind the CATTCC paywall.
Electricity is different than gravity.
Magnetism is different than gravity.
Gravity is a subatomic action; a process of motion. It is the angular momentum of a particle’s frequency pattern in the flow of mass.
Electrogravitics replaces magnetism’s positive and negative charges with a subatomic particle rotation? Or is electrogravitics the flow of electron spin: the flow of motion.
Based on the speed of a particle’s speed at 186,000 miles per second, it’s difficult to grasp the perception of its travel. Nonetheless, gravity is the angular momentum of rotational spin at that speed. In the blogpost - How to gauge time, it states: at 5280 feet per mile, light speed is 982,080,000 feet per second. Using the time stamp designation, the moment is reflected as; t231102:21:58:0982080001 seconds per foot.
There is a question; how many spin cycles are there per mile and per second? With the identification of this time stamp, it is a known path in that cycle which quantifies this motion. Using the elliptical orbit type linear path (like a ribbon) the spin cycles provide a balanced course.
A molecule’s frequency determines the number of cycles per distance. A molecule's weight is determined by its density and regulates its frequency. That number of cycles per distance in a molecule is also influenced by each particle within each element in that molecule.
As a reminder to visualize this perception, the uniformity of light speed allows every particle in every element within each molecule to hold its own separate path traveling at light speed. It is this individual path of each particle that maintains the particle’s gravitational balance of angular momentum at light speed.
A gravitational wave is generated by the influence of momentum from the spin of this rotational motion.
With this consideration, it’s easy to conclude that the mass of heavier particles holds the greater ability to influence gravitational waves. This action is analogous to ferrous molecules.
Transportation
How does de Broglie’s hypothesis of wave duality pertain to Viktor Grebennikov’s levitating device? It ties into the presence of Earth’s electrostatic field and the recognition that levitation is vibrational mass accumulation which interacts with the Cavity Structures Effect.