In quantum physics, particles such as photons (particles of light) can indeed exhibit wave-particle duality. However, it's important to note that this duality doesn't mean that photons can be directly converted into matter particles.
Wave-particle duality refers to the fact that particles like photons can exhibit properties of both waves and particles, depending on the experimental context and how they are observed. In certain experiments, photons can display interference patterns characteristic of waves, while in other experiments, they can behave like discrete particles, interacting with matter in a particle-like manner.
While photons carry energy and momentum, they are not considered matter particles in the conventional sense. Matter particles, such as electrons or protons, have rest mass and are governed by different fundamental forces and interactions compared to photons.
However, under certain circumstances, photons can indirectly contribute to the creation of matter particles. For instance, in high-energy physics experiments or in natural phenomena like gamma-ray collisions, energetic photons can interact with matter to produce electron-positron pairs or other particle-antiparticle pairs through processes such as pair production.
These processes involve the conversion of the photon's energy into the mass of the created particles, according to Einstein's famous equation E=mc². However, this conversion requires the presence of other particles and obeyance of conservation laws (e.g., conservation of energy and momentum) to satisfy the overall physical requirements of the process.
So, while photons themselves are not directly converted into matter particles, their interactions with matter can lead to the creation of particle-antiparticle pairs under specific circumstances.