Yes, protons and neutrons, like electrons, also exhibit wave-particle duality. The wave-particle duality is a fundamental concept in quantum mechanics, which states that particles, including protons and neutrons, can exhibit both wave-like and particle-like behavior.
In quantum mechanics, particles are described by wavefunctions that evolve according to the Schrödinger equation. The wavefunction represents the probability amplitude of finding the particle in a particular state. The wave-like nature of particles is manifested through phenomena such as interference and diffraction, which are typically associated with waves.
Experimental observations have confirmed the wave-like properties of protons and neutrons. For instance, neutron diffraction experiments have demonstrated interference patterns similar to those observed with light waves, indicating the wave nature of neutrons. Similarly, proton scattering experiments have revealed interference effects that can only be explained by considering their wave nature.
At the same time, protons and neutrons also exhibit particle-like behavior. They have mass, momentum, and can be localized in space. For example, in particle accelerators, protons and neutrons are treated as discrete particles that can be accelerated, collided, and detected as individual entities.
Therefore, protons and neutrons, as well as electrons, exhibit both wave-like and particle-like characteristics, as described by the principles of wave-particle duality in quantum mechanics.