Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR238 papers
- Helmholtz-Zentrum Berlin für Materialien und EnergieDE229 papers
- Technische Universität BerlinDE205 papers
- Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)DE122 papers
- University of CambridgeGB113 papers
- Humboldt-Universität zu BerlinDE110 papers
- ETH ZurichCH105 papers
- Zuse Institute BerlinDE105 papers
- University of GenevaCH95 papers
- Sorbonne UniversitéFR94 papers
- Leiden UniversityNL91 papers
- Princeton UniversityUS90 papers
30 papers · 2 filters
Maximal Coherence and the Resource Theory of Purity
Alexander Streltsov, Hermann Kampermann, Sabine Wölk +2
The resource theory of quantum coherence studies the off-diagonal elements of a density matrix in a distinguished basis, whereas the resource theory of purity studies all deviation…
Code properties from holographic geometries
Fernando Pastawski, John Preskill
Almheiri, Dong, and Harlow [arXiv:1411.7041] proposed a highly illuminating connection between the AdS/CFT holographic correspondence and operator algebra quantum error correction…
Quantum thermodynamics with local control
J. Lekscha, H. Wilming, J. Eisert +1
We investigate the limitations that emerge in thermodynamic tasks as a result of having local control only over the components of a thermal machine. These limitations are particula…
Entanglement negativity bounds for fermionic Gaussian states
J. Eisert, V. Eisler, Z. Zimborás
The entanglement negativity is a versatile measure of entanglement that has numerous applications in quantum information and in condensed matter theory. It can not only efficiently…
Experimentally exploring compressed sensing quantum tomography
A. Steffens, C. Riofrio, W. McCutcheon +6
In the light of the progress in quantum technologies, the task of verifying the correct functioning of processes and obtaining accurate tomographic information about quantum states…
Quantum illumination reveals phase-shift inducing cloaking
U. Las Heras, R. Di Candia, K. G. Fedorov +3
In quantum illumination entangled light is employed to enhance the detection accuracy of an object when compared with the best classical protocol. On the other hand, cloaking is a…
Graphical Structures for Design and Verification of Quantum Error Correction
Nicholas Chancellor, Aleks Kissinger, Joschka Roffe +2
We introduce a high-level graphical framework for designing and analysing quantum error correcting codes, centred on what we term the coherent parity check (CPC). The graphical for…
Towards holography via quantum source-channel codes
Fernando Pastawski, Jens Eisert, Henrik Wilming
While originally motivated by quantum computation, quantum error correction (QEC) is currently providing valuable insights into many-body quantum physics such as topological phases…
Nonlocality free wirings and the distinguishability between Bell boxes
Rodrigo Gallego, Leandro Aolita
Bell nonlocality can be formulated in terms of a resource theory with local-hidden variable models as resourceless objects. Two such theories are known, one built upon local operat…
Equivalence between contextuality and negativity of the Wigner function for qudits
Nicolas Delfosse, Cihan Okay, Juan Bermejo-Vega +2
Contextuality and negativity of the Wigner function are two notions of non-classicality for quantum systems. Howard, Wallman, Veitch and Emerson proved recently that these two noti…
Entanglement distribution and quantum discord
Alexander Streltsov, Hermann Kampermann, Dagmar Bruß
Establishing entanglement between distant parties is one of the most important problems of quantum technology, since long-distance entanglement is an essential part of such fundame…
Contextuality as a resource for models of quantum computation on qubits
Juan Bermejo-Vega, Nicolas Delfosse, Dan E. Browne +2
A central question in quantum computation is to identify the resources that are responsible for quantum speed-up. Quantum contextuality has been recently shown to be a resource for…
An efficient quantum algorithm for spectral estimation
A. Steffens, P. Rebentrost, I. Marvian +2
We develop an efficient quantum implementation of an important signal processing algorithm for line spectral estimation: the matrix pencil method, which determines the frequencies…
Fermionic topological quantum states as tensor networks
C. Wille, O. Buerschaper, J. Eisert
Tensor network states, and in particular projected entangled pair states, play an important role in the description of strongly correlated quantum lattice systems. They do not only…
Composing decoherence functionals
Paul Boes, Miguel Navascues
Quantum Measure Theory (QMT) is a generalization of quantum theory where physical predictions are computed from a matrix known as \emph{decoherence functional} (DF). Previous works…
Poking holes and cutting corners to achieve Clifford gates with the surface code
Benjamin J. Brown, Katharina Laubscher, Markus S. Kesselring +1
The surface code is currently the leading proposal to achieve fault-tolerant quantum computation. Among its strengths are the plethora of known ways in which fault-tolerant Cliffor…
Quantum Coherence as a Resource
Alexander Streltsov, Gerardo Adesso, Martin B. Plenio
The coherent superposition of states, in combination with the quantization of observables, represents one of the most fundamental features that mark the departure of quantum mechan…
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…
Quantum singular value decomposition of non-sparse low-rank matrices
Patrick Rebentrost, Adrian Steffens, Seth Lloyd
In this work, we present a method to exponentiate non-sparse indefinite low-rank matrices on a quantum computer. Given an operation for accessing the elements of the matrix, our me…
WavePacket: A Matlab package for numerical quantum dynamics. I: Closed quantum systems and discrete variable representations
Burkhard Schmidt, Ulf Lorenz
WavePacket is an open-source program package for the numerical simulation of quantum-mechanical dynamics. It can be used to solve time-independent or time-dependent linear Schrödin…
One-parameter class of uncertainty relations based on entropy power
Petr Jizba, Yue Ma, Anthony Hayes +1
We use the concept of entropy power to derive a new one-parameter class of information-theoretic uncertainty relations for pairs of conjugate observables in an infinite-dimensional…
Quantum Estimation Methods for Quantum Illumination
M. Sanz, U. Las Heras, J. J. Garcia-Ripoll +2
Quantum illumination consists in shining quantum light on a target region immersed in a bright thermal bath, with the aim of detecting the presence of a possible low-reflective obj…
Approximating local observables on projected entangled pair states
M. Schwarz, O. Buerschaper, J. Eisert
Tensor network states are for good reasons believed to capture ground states of gapped local Hamiltonians arising in the condensed matter context, states which are in turn expected…
Mixing properties of stochastic quantum Hamiltonians
E. Onorati, O. Buerschaper, M. Kliesch +3
Random quantum processes play a central role both in the study of fundamental mixing processes in quantum mechanics related to equilibration, thermalisation and fast scrambling by…