No, photons are not the only bosons that exhibit wave-particle duality. Wave-particle duality is a fundamental concept in quantum mechanics that suggests that particles can exhibit both wave-like and particle-like behavior.
While photons, which are the fundamental particles of light and electromagnetic radiation, exhibit wave-particle duality, they are not the only bosons that do so. Other bosons, such as the W and Z bosons, which are responsible for the weak nuclear force, also exhibit wave-particle duality.
In addition to bosons, fermions, which include particles such as electrons, protons, and neutrons, also exhibit wave-particle duality. However, fermions are subject to the Pauli exclusion principle, which states that no two identical fermions can occupy the same quantum state simultaneously. This principle leads to the behavior of matter as discrete particles.
Wave-particle duality is a fundamental principle of quantum mechanics, and it applies to both bosons and fermions, although the specific manifestations may differ between the two types of particles.