4 papers
One-Way Quantum Secure Direct Communication with Choice of Measurement Basis as the Secret
Santiago Bustamante, Boris A. Rodríguez, Elizabeth Agudelo
Motivated by the question of the distinguishability of ensembles described by the same compressed density operator, we propose a model for one-way quantum secure direct communicati…
Local Classical Strategies vs Geometrical Quantum Constraints
R. Restrepo-Villegas, E. Agudelo, J. Castrillón +1
We use an alternative approach to show that quantum entanglement-like correlations cannot be reproduced for any classical protocol. In our proposal, quantum geometric restrictions…
A Quantum Extension of the Semiclassical Theory of Electrical Susceptibility
Jairo David García, Boris A. Rodríguez
It is shown here how the semiclassical theory of electrical susceptibility can be extended to the case in which both radiation and matter are quantized. This is done specifically f…
Comment on: "Luminescence spectra of quantum dots in microcavities."
Nicolás Quesada, Paulo Cárdenas, Boris A. Rodríguez
In this comment we show that there is a direct connection between coherent exchange of energy among light and matter and the emission spectrum of a microcavity quantum dot system a…