The wave function is a concept in quantum mechanics that describes the state of a system. It is a mathematical function that encodes information about the probabilities of various outcomes when a measurement is made on the system. However, the wave function is typically used to describe physical systems rather than personal beliefs or characteristics of individuals.
As such, there is no specific wave function associated with atheism or any other belief system. Atheism is a philosophical position that generally rejects the belief in the existence of deities or supernatural beings. It is not a physical quantity or a measurable property that can be described by a wave function.
Wave functions are primarily used to describe the behavior of particles and physical systems at the quantum level. They are typically represented by mathematical expressions, such as the Schrödinger equation, which describe how the wave function evolves in time and how it relates to observable quantities. These mathematical descriptions are specific to the physical system being studied and are not applicable to describing personal beliefs or opinions.