249 citations
- Utrecht UniversityNL3 papers
- Centro de AstrobiologíaES2 papers
- Instituto de Estructura de la MateriaES2 papers
- Max Planck Institute of Quantum OpticsDE2 papers
- Argonne National LaboratoryUS1 paper
- Augsburg UniversityUS1 paper
- California Institute of TechnologyUS1 paper
- Consejo Superior de Investigaciones CientíficasES1 paper
- École Supérieure de ManagementMA1 paper
- Instituto Nacional de Técnica AeroespacialES1 paper
- KTH Royal Institute of TechnologySE1 paper
- Los Alamos National LaboratoryUS1 paper
4 papers · 1 filter
Distance-based degrees of polarization for a quantum field
A. B. Klimov, L. L. Sanchez-Soto, E. C. Yustas +2
It is well established that unpolarized light is invariant with respect to any SU(2) polarization transformation. This requirement fully characterizes the set of density matrices r…
Localizable Entanglement
M. Popp, F. Verstraete, M. A. Martin-Delgado +1
We consider systems of interacting spins and study the entanglement that can be localized, on average, between two separated spins by performing local measurements on the remaining…
Effective damping in the Raman cooling of trapped ions
A. B. Klimov, J. L. Romero, J. Delgado +1
We present a method of treating the interaction of a single three-level ion with two laser beams. The idea is to apply a unitary transformation such that the exact transformed Hami…
Diverging Entanglement Length in Gapped Quantum Spin Systems
F. Verstraete, M. A. Martin-Delgado, J. I. Cirac
We prove the existence of gapped quantum Hamiltonians whose ground states exhibit an infinite entanglement length, as opposed to their finite correlation length. Using the concept…