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Classification of quantum spinor fields according to quantum bilinearcovariants is introduced in a context of quantum Clifford algebras on Minkowskispacetime. Once the bilinear covariants are expressed in terms of algebraicspinor fields, the duality between spinor and quantum spinor fields is thusdiscussed. Hence, by endowing the underlying spacetime with an arbitrarybilinear form with a antisymmetric part in addition to a symmetric spacetimemetric, quantum algebraic spinor fields and deformed bilinear covariants can beconstructed. They are therefore compared to the classical (non quantum) ones.Classes of quantum spinor fields are introduced and compared with Lounesto'sspinor field classification. A physical interpretation of the deformed partsand the underlying Z-grading is proposed. The existence of an arbitrarybilinear form endowing the spacetime already has been explored in theliterature in the context of quantum gravity. Here, it is shown further to playa prominent role in the structure of Dirac, Weyl, and Majorana spinor fields,besides the most general flagpoles, dipoles and flag-dipoles ones as well. Weintroduce a new duality between the standard and the quantum spinor fields, byshowing that when Clifford algebras over vector spaces endowed with anarbitrary bilinear form are taken into account, a mixture among the classesdoes occur. Consequently, novel features regarding the spinor fields can bederived.

Bilinear Covariants and Spinor Fields Duality in Quantum Clifford Algebras