Ontological Issues in Quantum Theory

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Krause, Decio; Bueno, Otavio
preprint description
In this paper, we examine the concept of particle as it appears in quantum field theories (QFT), focusing on a puzzling situation regarding this concept. Although quantum ‘particles’ arise from fields, which form the basic ontology of QFT, and thus a certain concept of ‘particle’ is al- ways available, the properties ascribed to such ‘particles’ are not completely in agreement with the mathematical and logical description of such fields, which should be taken as individuals.