308 citations · 942 across the 7 of their papers we have counts for
7 papers
Spin-1/2 geometric phase driven by decohering quantum fields
A. Carollo, I. Fuentes-Guridi, M. Franca Santos +1
We calculate the geometric phase of a spin-1/2 system driven by a one and two mode quantum field subject to decoherence. Using the quantum jump approach, we show that the correctio…
Optimal conclusive teleportation of quantum states
L. Roa, A. Delgado, I. Fuentes-Guridi
Quantum teleportation of qudits is revisited. In particular, we analyze the case where the quantum channel corresponds to a non-maximally entangled state and show that the success…
Geometric phase in open systems
A. Carollo, I. Fuentes-Guridi, M. Franca Santos +1
We calculate the geometric phase associated to the evolution of a system subjected to decoherence through a quantum-jump approach. The method is general and can be applied to many…
Vacuum induced Spin-1/2 Berry phase
I. Fuentes-Guridi, A. Carollo, S. Bose +1
We calculate the Berry phase of a spin-1/2 particle in a magnetic field considering the quantum nature of the field. The phase reduces to the standard Berry phase in the semiclassi…
Geometric phases of mesoscopic spin in Bose-Einstein condensates
I. Fuentes-Guridi, J. Pachos, S. Bose +2
We propose a possible scheme for generating spin-J geometric phases using a coupled two-mode Bose-Einstein condensate (BEC). First we show how to observe the standard Berry phase u…
Subsystem Purity as an Enforcer of Entanglement
S. Bose, I. Fuentes-Guridi, P. L. Knight +1
We show that entanglement can always arise in the interaction of an arbitrarily large system in any mixed state with a single qubit in a pure state. This small initial purity is en…