1.1k citations · 5.6k across the 17 of their papers we have counts for
17 papers
Experimental quantification of spatial correlations in quantum dynamics
Lukas Postler, Ángel Rivas, Philipp Schindler +6
Correlations between different partitions of quantum systems play a central role in a variety of many-body quantum systems, and they have been studied exhaustively in experimental…
Experimental quantum compressed sensing for a seven-qubit system
C. A. Riofrio, D. Gross, S. T. Flammia +4
Well-controlled quantum devices with their increasing system size face a new roadblock hindering further development of quantum technologies: The effort of quantum tomography---the…
Real-time dynamics of lattice gauge theories with a few-qubit quantum computer
E. A. Martinez, C. A. Muschik, P. Schindler +8
Gauge theories are fundamental to our understanding of interactions between the elementary constituents of matter as mediated by gauge bosons. However, computing the real-time dyna…
Iterative Phase Optimisation of Elementary Quantum Error Correcting Codes
M. Müller, A. Rivas, E. A. Martínez +5
Performing experiments on small-scale quantum computers is certainly a challenging endeavor. Many parameters need to be optimized to achieve high-fidelity operations. This can be d…
Compiling quantum algorithms for architectures with multi-qubit gates
Esteban A. Martinez, Thomas Monz, Daniel Nigg +2
Quantum algorithms require a universal set of gates that can be implemented in a physical system. For these, an optimal decomposition into a sequence of available operations is des…
Realization of a scalable Shor algorithm
Thomas Monz, Daniel Nigg, Esteban A. Martinez +6
Quantum computers are able to outperform classical algorithms. This was long recognized by the visionary Richard Feynman who pointed out in the 1980s that quantum mechanical proble…
Experimental Quantum Computations on a Topologically Encoded Qubit
Daniel Nigg, Markus Mueller, Esteban A. Martinez +5
The construction of a quantum computer remains a fundamental scientific and technological challenge, in particular due to unavoidable noise. Quantum states and operations can be pr…
A quantum information processor with trapped ions
Philipp Schindler, Daniel Nigg, Thomas Monz +10
Quantum computers hold the promise to solve certain problems exponentially faster than their classical counterparts. Trapped atomic ions are among the physical systems in which bui…
Device-independent demonstration of genuine multipartite entanglement
Julio T. Barreiro, Jean-Daniel Bancal, Philipp Schindler +5
Entanglement in a quantum system can be demonstrated experimentally by performing the measurements prescribed by an appropriate entanglement witness. However, the unavoidable misma…
Quantum simulation of open-system dynamical maps with trapped ions
P. Schindler, M. Müller, D. Nigg +7
Dynamical maps describe general transformations of the state of a physical system, and their iteration can be interpreted as generating a discrete time evolution. Prime examples in…
Undoing a quantum measurement
Philipp Schindler, Thomas Monz, Daniel Nigg +6
In general, a quantum measurement yields an undetermined answer and alters the system to be consistent with the measurement result. This process maps multiple initial states into a…
Can different quantum state vectors correspond to the same physical state? An experimental test
Daniel Nigg, Thomas Monz, Philipp Schindler +7
A century on from the development of quantum theory, the interpretation of a quantum state is still discussed. If a physicist claims to have produced a system with a particular wav…
Experimental characterization of quantum dynamics through many-body interactions
Daniel Nigg, Julio T. Barreiro, Philipp Schindler +5
We report on the implementation of a quantum process tomography (QPT) technique known as direct characterization of quantum dynamics (DCQD) applied on coherent and incoherent singl…
Universal digital quantum simulation with trapped ions
B. P. Lanyon, C. Hempel, D. Nigg +11
A digital quantum simulator is an envisioned quantum device that can be pro- grammed to efficiently simulate any other local system. We demonstrate and investigate the digital appr…
An Open-System Quantum Simulator with Trapped Ions
Julio T. Barreiro, Markus Müller, Philipp Schindler +7
The control of quantum systems is of fundamental scientific interest and promises powerful applications and technologies. Impressive progress has been achieved in isolating the sys…
A Single Laser System for Ground-State Cooling of 25-Mg+
Boerge Hemmerling, Florian Gebert, Yong Wan +3
We present a single solid-state laser system to cool, coherently manipulate and detect Mg ions. Coherent manipulation is accomplished by coupling two hyperfine ground st…
14-qubit entanglement: creation and coherence
Thomas Monz, Philipp Schindler, Julio T. Barreiro +7
We report the creation of Greenberger-Horne-Zeilinger states with up to 14 qubits. By investigating the coherence of up to 8 ions over time, we observe a decay proportional to the…