About Factorization of Quantum States with Few Qubits

G. V. López, G. Montes, M. Avila, J. Rueda-Paz
2017 Journal of Applied Mathematics and Physics  
Through the study of the factorization conditions of a wave function made up of two, three and four qubits, we propose an analytical expression which can characterize entangled states in terms of the coefficients of the wave function and density matrix elements.
doi:10.4236/jamp.2017.52042 fatcat:oeblzo26irganptf2rz5e3dm7y