"Quantum nominalism" is not a widely recognized or established term within the field of physics or philosophy. However, I can offer an explanation based on the general concepts of quantum mechanics and nominalism.
Nominalism is a philosophical position that argues that only particular objects or individuals exist, and that universals or abstract entities are merely names or labels we use to describe collections of individual things. In other words, nominalism rejects the existence of abstract or universal entities that transcend individual instances.
Quantum mechanics, on the other hand, is a fundamental theory in physics that describes the behavior of particles and systems on the microscopic scale. It introduces concepts such as wave-particle duality, superposition, and entanglement, which can be quite different from classical physics.
If we combine these two ideas, "quantum nominalism" could refer to a philosophical viewpoint that suggests that in the quantum realm, the fundamental entities or objects are discrete, individual particles or systems, and that any notion of universality or abstract entities is merely a product of our descriptions or labels for collections of these individual quantum entities.
In this interpretation, the focus would be on the concrete existence and properties of individual quantum systems, rather than positing the existence of abstract entities beyond the particular instances. It would suggest that the phenomena observed in quantum mechanics arise from the behavior and interactions of these individual particles or systems, without the need for postulating additional universal or abstract entities.
It's worth noting that this interpretation may be a specialized viewpoint within the intersection of quantum mechanics and nominalism, and it may not be widely discussed or accepted within the broader scientific or philosophical communities. Different philosophers and physicists may have different perspectives and interpretations regarding the relationship between quantum mechanics and philosophical frameworks like nominalism.