1.1k citations · 1.8k across the 5 of their papers we have counts for
17 papers
Coherent control of trapped ions using off-resonant lasers
J. J. Garcia-Ripoll, P. Zoller, J. I. Cirac
In this paper we develop a unified framework to study the coherent control of trapped ions subject to state-dependent forces. Taking different limits in our theory, we can reproduc…
Matrix Product Density Operators: Simulation of finite-T and dissipative systems
F. Verstraete, J. J. Garcia-Ripoll, J. I. Cirac
We show how to simulate numerically both the evolution of 1D quantum systems under dissipation as well as in thermal equilibrium. The method applies to both finite and inhomogeneou…
Implementation of Spin Hamiltonians in Optical Lattices
J. J. Garcia-Ripoll, M. A. Martin-Delgado, J. I. Cirac
We propose an optical lattice setup to investigate spin chains and ladders. Electric and magnetic fields allow us to vary at will the coupling constants, producing a variety of qua…
Fast and robust two-qubit gates for scalable ion trap quantum computing
J. J. Garcia-Ripoll, P. Zoller, J. I. Cirac
We propose a new concept for a two-qubit gate operating on a pair of trapped ions based on laser coherent control techniques. The gate is insensitive to the temperature of the ions…
Quantum computation with unknown parameters
J. J. Garcia-Ripoll, J. I. Cirac
We show how it is possible to realize quantum computations on a system in which most of the parameters are practically unknown. We illustrate our results with a novel implementatio…
Split vortices in optically coupled Bose-Einstein condensates
J. J. Garcia-Ripoll, V. M. Perez-Garcia, F. Sols
We study a rotating two-component Bose-Einstein condensate in which an optically induced Josephson coupling allows for population transfer between the two species. In a regime wher…