Para evitar efectos no deseados donde se pierde la señal de los dos qubits (decoherencia), se considera un sistema de dos qubits expuestos a un reservorio común a muy bajas temperaturas. Se deriva una expresión para la ...

We find that the analytical solutions to quantum system with a quartic potential V(x)=ax2+bx4 (arbitrary a and b>0 are real numbers) are given by the triconfluent Heun functions HT(α,β,γ;z). The properties of the wave ...

We study both pentapartite GHZ and W-class states in the noninertial frame and explore their entanglement properties by carrying out the negativities including 1-4, 2-3, and 1-1 tangles, the whole entanglement measures ...

Vectorial fields such as the electromagnetic field are commonly employed for codifying both qubits and information. It is considered as a three-qubits Heisenberg chain with multiple interaction in the presence of a ...

It is considered a quantum computer consisting of a system of quantum dots (electrons) which are described by a Hamiltonian having rotation, inversion, and exchange symmetries. We consider exclusively the cases of both n ...

We consider a qubit-qutrit system interacting each other through an isotropic Heisenberg Hamiltonian in a uniform magnetic field. An expression for the entanglement between the two parties as a function of both the anisotropy ...