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18 papers · 1 filter
Lindbladian approach for many-qubit thermal machines: enhancing the performance with geometric heat pumping by interaction
Gerónimo J. Caselli, Luis O. Manuel, Liliana Arrachea
We present a detailed analysis of slowly driven quantum thermal machines based on interacting qubits within the framework of the Lindblad master equation. By implementing a systema…
A study of periodic potentials based on quadratic splines
Manuel Gadella, Luis Pedro Lara
We discuss a method based on a segmentary approximation of solutions of the Schrödinger by quadratic splines, for which the coefficients are determined by a variational method that…
Fuzzy approach for CNOT gate in quantum computation with mixed states
Giuseppe Sergioli, Hector Freytes
In the framework of quantum computation with mixed states, a fuzzy representation of CNOT gate is introduced. In this representation, the incidence of non-factorizability is specia…
Physical properties as modal operators in the topos approach to quantum mechanics
Hector Freytes, Graciela Domenech, Christian de Ronde
In the framework of the topos approach to quantum mechanics we give a representation of physical properties in terms of modal operators on Heyting algebras. It allows us to introdu…
Quantum histories without contrary inferences
Marcelo Losada, Roberto Laura
In the consistent histories formulation of quantum theory it was shown that it is possible to retrodict contrary properties. We show that this problem do not appear in our formalis…
Quantum computational logic with mixed states
Hector Freytes, Graciela Domenech
Using an algebraic framework we solve a problem posed in [5] and [7] about the axiomatizability of a quantum computational type logic related to fuzzy logic. A Hilbert-style calcul…