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For the case of a scalar field in cosmological scenarios, it is known that the criterion of unitary implementation of the dynamics serves to remove the ambiguity in the choice of Fock representation (up to unitary equivalence). Here, applying the same type of arguments and methods previously used for the scalar field case, we discuss the issue of the uniqueness of the Fock quantization of the Dirac field in the closed FRW space-time proposed by D\u2019Eath and Halliwell.<\/jats:p>","DOI":"10.1155\/2018\/2450816","type":"journal-article","created":{"date-parts":[[2018,3,19]],"date-time":"2018-03-19T19:30:53Z","timestamp":1521487853000},"page":"1-7","source":"Crossref","is-referenced-by-count":2,"title":["On the Uniqueness of the Fock Quantization of the Dirac Field in the Closed FRW Cosmology"],"prefix":"10.1155","volume":"2018","author":[{"given":"Jer\u00f3nimo","family":"Cortez","sequence":"first","affiliation":[{"name":"Departamento de F\u00edsica, Facultad de Ciencias, Universidad Nacional Aut\u00f3noma de M\u00e9xico, 04510 Ciudad de M\u00e9xico, Mexico"}]},{"given":"Ilda","family":"In\u00e1cio Rodrigues","sequence":"additional","affiliation":[{"name":"Faculdade de Ci\u00eancias, Universidade da Beira Interior, R. 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