Question

Why de Broglie waves are non-electromagnetic?

Answer 1

De Broglie waves:

1. According to de Broglie, the matter has a wave-particle dual nature.
2. Matter waves are the waves associated with each moving particle.
3. Matter waves have the following properties:
   3.1 The larger the de Broglie wavelength, the smaller the particle.
   3.2 The particle's de Broglie wavelength decreases as its velocity increases.
   3.3 The de Broglie wavelength of a particle is unaffected by its charge or type.
   3.4 Matter waves do not have electromagnetic properties.
   3.5 Electromagnetic waves are only produced by charged particles.
4. The particle has a de Broglie wavelength.

$\mathrm{\lambda }=\frac{\mathrm{h}}{\mathrm{P}}$

Where $\mathrm{h}$ is the Plank's constant and $\mathrm{P}$ is linear momentum.

De Broglie waves and electromagnetic waves:

1. But matter waves do not have electromagnetic properties.
2. Only charged particles generate electromagnetic radiation.
3. Electromagnetic waves are emitted by a source.
4. De Broglie waves do not exist in a vacuum as the electromagnetic wave does.
5. De Broglie waves are the waves that are possessed by every particle due to their dual behavior.

Hence, De Broglie waves are non-electromagnetic.