2.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Center for Integrated Quantum Science and TechnologyDE303 papers
- Centre National de la Recherche ScientifiqueFR82 papers
- Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)DE71 papers
- Technische Hochschule UlmDE65 papers
- Helmholtz-Institute UlmDE64 papers
- Imperial College LondonGB58 papers
- Hebrew University of JerusalemIL52 papers
- Leibniz University HannoverDE51 papers
- University of StuttgartDE45 papers
- Texas A&M UniversityUS41 papers
- Universität InnsbruckAT40 papers
- Technical University of MunichDE37 papers
128 papers · 1 filter
Narrowband quantum emitters over large spectral range with Fourier-limited linewidth in hexagonal boron nitride
A. Dietrich, M. Bürk, E. S. Steiger +6
Single defect centers in layered hexagonal boron nitride (hBN) are promising candidates as single photon sources for quantum optics and nanophotonics applications. However, until t…
On some Graphs with a Unique Perfect Matching
S. Chaplick, M. Fürst, F. Maffray +1
We show that deciding whether a given graph of size has a unique perfect matching as well as finding that matching, if it exists, can be done in time if is eithe…
The European Quantum Technologies Roadmap
Antonio Acín, Immanuel Bloch, Harry Buhrman +15
Within the last two decades, Quantum Technologies (QT) have made tremendous progress, moving from Noble Prize award-winning experiments on quantum physics into a cross-disciplinary…
Which role does multiphoton interference play in small phase estimation in quantum Fourier transform interferometers?
Olaf Zimmermann, Vincenzo Tamma
Recently, quantum Fourier transform interferometers have been demonstrated to allow a quantum metrological enhancement in phase sensitivity for a small number n of identical input…
Minimal elastic networks
Anna Dall'Acqua, Matteo Novaga, Alessandra Pluda
We consider planar networks of three curves that meet at two junctions with prescribed equal angles, minimizing a combination of the elastic energy and the length functional. We pr…
Unambiguous nuclear spin detection using engineered quantum sensing sequence
Zijun Shu, Zhendong Zhang, Qingyun Cao +9
Sensing, localising and identifying individual nuclear spins or frequency components of a signal in the presence of a noisy environments requires the development of robust and sele…
Towards an Economic Analysis of Routing in Payment Channel Networks
Felix Engelmann, Florian Glaser, Henning Kopp +2
Payment channel networks are supposed to overcome technical scalability limitations of blockchain infrastructure by employing a special overlay network with fast payment confirmati…
Low field nuclear polarization using Nitrogen Vacancy centers in diamonds
Yonatan Hovav, Boris Naydenov, Fedor Jelezko +1
It was recently demonstrated that bulk nuclear polarization can be obtained using Nitrogen Vacancy (NV) color centers in diamonds, even at ambient conditions. This is based on the…
Quantum simulation of the quantum Rabi model in a trapped ion
Dingshun Lv, Shuoming An, Zhenyu Liu +5
The quantum Rabi model, involving a two-level system and a bosonic field mode, is arguably the simplest and most fundamental model describing quantum light-matter interactions. His…
Observation of Entangled States of a Fully Controlled 20-Qubit System
Nicolai Friis, Oliver Marty, Christine Maier +8
We generate and characterise entangled states of a register of 20 individually controlled qubits, where each qubit is encoded into the electronic state of a trapped atomic ion. Ent…
Breaking the quantum adiabatic speed limit by jumping along geodesics
Kebiao Xu, Tianyu Xie, Fazhan Shi +6
Quantum adiabatic evolutions find a broad range of applications in quantum physics and quantum technologies. The traditional form of the quantum adiabatic theorem limits the speed…
A lower bound on the acyclic matching number of subcubic graphs
M. Fürst, D. Rautenbach
The acyclic matching number of a graph is the largest size of an acyclic matching in , that is, a matching in such that the subgraph of induced by the vertices i…
Blackchain: Scalability for Resource-Constrained Accountable Vehicle-to-X Communication
Rens Wouter van der Heijden, Felix Engelmann, David Mödinger +2
In this paper, we propose a new Blockchain-based message and revocation accountability system called Blackchain. Combining a distributed ledger with existing mechanisms for securit…
On some hard and some tractable cases of the maximum acyclic matching problem
M. Fürst, D. Rautenbach
Three well-studied types of subgraph-restricted matchings are induced matchings, uniquely restricted matchings, and acyclic matchings. While it is hard to determine the maximum siz…
Hierarchical State Abstractions for Decision-Making Problems with Computational Constraints
Daniel T. Larsson, Daniel Braun, Panagiotis Tsiotras
In this semi-tutorial paper, we first review the information-theoretic approach to account for the computational costs incurred during the search for optimal actions in a sequentia…
On the Kőnig-Egerváry Theorem for -Paths
Stéphane Bessy, Pascal Ochem, Dieter Rautenbach
The famous Kőnig-Egerváry theorem is equivalent to the statement that the matching number equals the vertex cover number for every induced subgraph of some graph if and only if tha…
Decreasing nuclear volume concentrates DNA and enforces transcription factor-chromatin associations during Zebrafish genome activation
Matthias Reisser, J. Christof M. Gebhardt
Zygotic genome activation (ZGA), the onset of transcription after initial quiescence, is a major developmental step in many species, which occurs after ten cell divisions in Zebraf…
Algorithm guided outlining of 105 pancreatic cancer liver metastases in Ultrasound
Alexander Hann, Lucas Bettac, Mark M. Haenle +6
Manual segmentation of hepatic metastases in ultrasound images acquired from patients suffering from pancreatic cancer is common practice. Semiautomatic measurements promising assi…
CSL Collapse Model Mapped with the Spontaneous Radiation
K. Piscicchia, A. Bassi, C. Curceanu +4
In this paper, new upper limits on the parameters of the Continuous Spontaneous Localization (CSL) collapse model are extracted. To this end, the X-ray emission data collected by t…
Probabilistic low-rank factorization accelerates tensor network simulations of critical quantum many-body ground states
Lucas Kohn, Ferdinand Tschirsich, Maximilian Keck +3
We provide evidence that randomized low-rank factorization is a powerful tool for the determination of the ground state properties of low-dimensional lattice Hamiltonians through t…
Protecting quantum spin coherence of nanodiamonds in living cells
Q. -Y. Cao, P. -C. Yang, M. -S. Gong +9
Due to its superior coherent and optical properties at room temperature, the nitrogen-vacancy (N-V ) center in diamond has become a promising quantum probe for nanoscale quantum se…
Proposal for Quantum Simulation via All-Optically Generated Tensor Network States
I. Dhand, M. Engelkemeier, L. Sansoni +3
We devise an all-optical scheme for the generation of entangled multimode photonic states encoded in temporal modes of light. The scheme employs a nonlinear down-conversion process…
Single-image Tomography: 3D Volumes from 2D Cranial X-Rays
Philipp Henzler, Volker Rasche, Timo Ropinski +1
As many different 3D volumes could produce the same 2D x-ray image, inverting this process is challenging. We show that recent deep learning-based convolutional neural networks can…
Fundamental limits to frequency estimation: A comprehensive microscopic perspective
Jan F. Haase, Andrea Smirne, Jan Kołodyński +2
We consider a scenario in which qubit-like probes are used to sense an external field that linearly affects their energy splitting. Following the frequency estimation approach in w…