The graviton is a hypothetical particle in the framework of quantum theory that is associated with the force of gravity. However, it's important to note that the graviton is a theoretical construct, and its existence has not been confirmed through experimental observation.
In the context of quantum theory, particles are often described as having both particle-like and wave-like characteristics. This duality is a fundamental aspect of quantum mechanics and is known as wave-particle duality. Photons, which are the quanta of light, exhibit both wave-like and particle-like behavior.
Similarly, if gravitons exist, it is expected that they would also exhibit wave-particle duality. However, since the graviton is purely a theoretical concept at this point, its properties and behavior are still subject to ongoing research and investigation.
It's worth noting that the quantization of gravity and the existence of the graviton are significant challenges in theoretical physics. The development of a consistent and complete quantum theory of gravity, including the nature of the graviton, is an area of active research and remains an open question in our current understanding of fundamental physics.