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
27 papers · 2 filters
A positive tensor network approach for simulating open quantum many-body systems
A. H. Werner, D. Jaschke, P. Silvi +4
Open many-body quantum systems play an important role in quantum optics and condensed-matter physics, and capture phenomena like transport, interplay between Hamiltonian and incohe…
Local constants of motion imply information propagation
M. Friesdorf, A. H. Werner, M. Goihl +2
Interacting quantum many-body systems are usually expected to thermalise, in the sense that the evolution of local expectation values approach a stationary value resembling a therm…
Shannon Entropy and Many-Electron Correlations: Theoretical Concepts, Numerical Results and Collins Conjecture
Luigi Delle Site
In this paper I will discuss the overlap between the concept of Shannon Entropy and the concept of electronic correlation. Quantum Monte Carlo numerical results for the uniform ele…
Second laws under control restrictions
H. Wilming, R. Gallego, J. Eisert
The second law of thermodynamics, formulated as an ultimate bound on the maximum extractable work, has been rigorously derived in multiple scenarios. However, the unavoidable limit…
Area laws and efficient descriptions of quantum many-body states
Yimin Ge, Jens Eisert
It is commonly believed that area laws for entanglement entropies imply that a quantum many-body state can be faithfully represented by efficient tensor network states - a conjectu…
The resource theory of steering
Rodrigo Gallego, Leandro Aolita
We present an operational framework for Einstein-Podolsky-Rosen steering as a physical resource. To begin with, we characterize the set of steering non-increasing operations (SNIOs…
Protected gates for topological quantum field theories
Michael E. Beverland, Oliver Buerschaper, Robert Koenig +3
We study restrictions on locality-preserving unitary logical gates for topological quantum codes in two spatial dimensions. A locality-preserving operation is one which maps local…
Supersymmetry and eigensurface topology of the spherical quantum pendulum
Burkhard Schmidt, Bretislav Friedrich
We undertook a mutually complementary analytic and computational study of the full-fledged spherical (3D) quantum rotor subject to combined orienting and aligning interactions char…
Many-body localisation implies that eigenvectors are matrix-product states
M. Friesdorf, A. H. Werner, W. Brown +2
The phenomenon of many-body localisation received a lot of attention recently, both for its implications in condensed-matter physics of allowing systems to be an insulator even at…
Quantum many-body systems out of equilibrium
J. Eisert, M. Friesdorf, C. Gogolin
Closed quantum many-body systems out of equilibrium pose several long-standing problems in physics. Recent years have seen a tremendous progress in approaching these questions, not…
Reliable quantum certification for photonic quantum technologies
L. Aolita, C. Gogolin, M. Kliesch +1
A major roadblock for large-scale photonic quantum technologies is the lack of practical reliable certification tools. We introduce an experimentally friendly - yet mathematically…
Order 3 Symmetry in the Clifford Hierarchy
Ingemar Bengtsson, Kate Blanchfield, Earl Campbell +1
We investigate the action of the first three levels of the Clifford hierarchy on sets of mutually unbiased bases comprising the Ivanovic MUB and the Alltop MUBs. Vectors in the All…
On the Role of Information Theoretic Uncertainty Relations in Quantum Theory
Petr Jizba, Jacob A. Dunningham, Jaewoo Joo
Uncertainty relations based on information theory for both discrete and continuous distribution functions are briefly reviewed. We extend these results to account for (differential…
On Some Open Problems in Many-Electron Theory
Volker Bach, Luigi Delle Site
Mel Levy and Elliott Lieb are two of the most prominent researchers who have dedicated their efforts to the investigation of fundamental questions in many-electron theory. Their re…
Single Shot Quantum State Estimation via a Continuous Measurement in the Strong Backaction Regime
Robert L. Cook, Carlos A. Riofrío, Ivan H. Deutsch
We study quantum tomography based on a stochastic continuous-time measurement record obtained from a probe field collectively interacting with an ensemble of identically prepared s…
Towards experimental quantum field tomography with ultracold atoms
A. Steffens, M. Friesdorf, T. Langen +6
The experimental realisation of large scale many-body systems has seen immense progress in recent years, rendering full tomography tools for state identification inefficient, espec…
Quantum field tomography
A. Steffens, C. A. Riofrío, R. Hübener +1
We introduce the concept of quantum field tomography, the efficient and reliable reconstruction of unknown quantum fields based on data of correlation functions. At the basis of th…
Enhanced fault-tolerant quantum computing in -level systems
Earl T. Campbell
Error correcting codes protect quantum information and form the basis of fault tolerant quantum computing. Leading proposals for fault-tolerant quantum computation require codes wi…
Cellular-automaton decoders for topological quantum memories
Michael Herold, Earl T. Campbell, Jens Eisert +1
We introduce a new framework for constructing topological quantum memories, by recasting error recovery as a dynamical process on a field generating cellular automaton. We envisage…
Limits to catalysis in quantum thermodynamics
Nelly Huei Ying Ng, Laura Mančinska, Cristina Cirstoiu +2
Quantum thermodynamics is a research field that aims at fleshing out the ultimate limits of thermodynamic processes in the deep quantum regime. A complete picture of quantum thermo…
Chiral Quantum Walks
DaWei Lu, Jacob D. Biamonte, Jun Li +8
Given its importance to many other areas of physics, from condensed matter physics to thermodynamics, time-reversal symmetry has had relatively little influence on quantum informat…
A Non-Commuting Stabilizer Formalism
Xiaotong Ni, Oliver Buerschaper, Maarten Van den Nest
We propose a non-commutative extension of the Pauli stabilizer formalism. The aim is to describe a class of many-body quantum states which is richer than the standard Pauli stabili…
Matrix product operators and states: NP-hardness and undecidability
M. Kliesch, D. Gross, J. Eisert
Tensor network states constitute an important variational set of quantum states for numerical studies of strongly correlated systems in condensed-matter physics, as well as in math…
Hypercontractivity of quasi-free quantum semigroups
Kristan Temme, Fernando Pastawski, Michael J. Kastoryano
Hypercontractivity of a quantum dynamical semigroup has strong implications for its convergence behavior and entropy decay rate. A logarithmic Sobolev inequality and the correspond…