492 citations · 1.7k across the 19 of their papers we have counts for
19 papers
Quantum Metropolis Sampling
K. Temme, T. J. Osborne, K. G. Vollbrecht +2
The original motivation to build a quantum computer came from Feynman who envisaged a machine capable of simulating generic quantum mechanical systems, a task that is believed to b…
Quantum simulations based on measurements and feedback control
K. G. H. Vollbrecht, J. I. Cirac
We propose a scheme for performing quantum simulations with atoms in cavities based on a photon detection feedback loop that requires only linear optical elements. Atoms can be sto…
One-shot entanglement generation over long distances in noisy quantum networks
S. Perseguers, L. Jiang, N. Schuch +4
We consider the problem of creating a long-distance entangled state between two stations of a network, where neighboring nodes are connected by noisy quantum channels. We show that…
On entropy growth and the hardness of simulating time evolution
Norbert Schuch, Michael M. Wolf, Karl Gerd H. Vollbrecht +1
The simulation of quantum systems is a task for which quantum computers are believed to give an exponential speedup as compared to classical ones. While ground states of one-dimens…
Quantum simulators, continuous-time automata, and translationally invariant systems
K. G. H. Vollbrecht, J. I. Cirac
The general problem of finding the ground state energy of lattice Hamiltonians is known to be very hard, even for a quantum computer. We show here that this is the case even for tr…
Delocalized Entanglement of Atoms in optical Lattices
K. G. H. Vollbrecht, J. I. Cirac
We show how to detect and quantify entanglement of atoms in optical lattices in terms of correlations functions of the momentum distribution. These distributions can be measured di…