Temperature effects on quantum cloning of states and entanglement
arXiv:0704.1177 · doi:10.1016/j.physleta.2008.12.050
Abstract
Performances of the symmetric universal and phase-covariant cloning transformations and entanglement cloners -- qubit case -- are investigated when the initial state of the hardware or the original state to be cloned is weakly coupled to a thermal environment. Different behaviors of each of these transformations are analyzed and contrasted with the ideal cases.
References in corpus (5)
- Thermalization and its mechanism for generic isolated quantum systems
- The optimal cloning of quantum coherent states is non-Gaussian
- Geometric nature of the environment-induced Berry phase and geometric dephasing
- Cloning transformations in spin networks without external control
- Cloning quantum entanglement in arbitrary dimensions