323 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Aarhus UniversityDK63 papers
- Universidade Federal do Rio Grande do SulBR6 papers
- Max Planck Institute for Radio AstronomyDE5 papers
- University of CopenhagenDK5 papers
- London Centre for NanotechnologyGB4 papers
- Technische Universität DarmstadtDE4 papers
- Hamburg Centre for Ultrafast Imaging3 papers
- Universität HamburgDE3 papers
- University College LondonGB3 papers
- University of BonnDE3 papers
- AlbaNovaSE2 papers
- Austrian Academy of SciencesAT2 papers
63 papers
Selectivity Trends and Role of Adsorbate-Adsorbate Interactions in CO Hydrogenation on Rhodium Catalysts
Martin Deimel, Hector Prats, Michael Seibt +2
Predictive-quality computational modeling of heterogeneously catalyzed reactions has emerged as an important tool for the analysis and assessment of activity and activity trends. I…
Interaction of quantum systems with single pulses of quantized radiation
Victor Rueskov Christiansen, Alexander Holm Kiilerich, Klaus Mølmer
The interaction of a propagating pulse of quantum radiation with a localized quantum system can be described by a cascaded master equation with a distinct initially populated input…
Manipulating synthetic gauge fluxes via multicolor dressing of Rydberg-atom arrays
Xiaoling Wu, Fan Yang, Shuo Yang +4
Arrays of highly excited Rydberg atoms can be used as powerful quantum simulation platforms. Here, we introduce an approach that makes it possible to implement fully controllable e…
Predicting binding motifs of complex adsorbates using machine learning with a physics-inspired graph representation
Wenbin Xu, Karsten Reuter, Mie Andersen
Computational screening in heterogeneous catalysis relies increasingly on machine learning models for predicting key input parameters due to the high cost of computing these direct…
Quantum non-demolition measurements of moving target states
A. L. Andersen, K. Mølmer
We present a protocol for probing the state of a quantum system by its resonant coupling and entanglement with a meter system. By continuous measurement of a time evolving meter ob…
Microscopic dynamics and an effective Landau-Zener transition in the quasi-adiabatic preparation of spatially ordered states of Rydberg excitations
A. F. Tzortzakakis, D. Petrosyan, M. Fleischhauer +1
We examine the adiabatic preparation of spatially-ordered Rydberg excitations of atoms in finite one-dimensional lattices by frequency-chirped laser pulses, as realized in a number…
Cavity Quantum Electrodynamics Effects with Nitrogen Vacancy Center Spins in Diamond and Microwave Resonators at Room Temperature
Yuan Zhang, Qilong Wu, Shi-Lei Su +3
Cavity quantum electrodynamics (C-QED) effects, such as Rabi splitting, Rabi oscillations and superradiance, have been demonstrated with nitrogen vacancy center spins in diamond in…
Topological phases in interacting spin-1 systems
A. Alnor, T. Bækkegaard, N. T. Zinner
Different topological phases of quantum systems has become areas of increased focus in recent decades. In particular, the question of how to realize and manipulate systems with non…
Free-Fermion Multiply Excited Eigenstates and Their Experimental Signatures in 1D Arrays of Two-Level Atoms
Yu-Xiang Zhang, Klaus Mølmer
One-dimensional (1D) subwavelength atom arrays display multiply excited subradiant eigenstates which are reminiscent of free fermions. So far, these states have been associated wit…
Quantum Wheatstone Bridge
Kasper Poulsen, Alan C. Santos, Nikolaj T. Zinner
We propose a quantum Wheatstone bridge as a fully quantum analogue to the classical version. The bridge is a few-body boundary-driven spin chain exploiting quantum effects to gain…
Quantum Maxwell's Demon Assisted by Non-Markovian Effects
Kasper Poulsen, Marco Majland, Seth Lloyd +2
Maxwell's demon is the quintessential example of information control, which is necessary for designing quantum devices. In thermodynamics, the demon is an intelligent being who uti…
Active Frequency Measurement on Superradiant Strontium Clock Transitions
Yuan Zhang, Chongxin Shan, Klaus Mølmer
We develop a stochastic mean-field theory to describe active frequency measurements of pulsed superradiant emission, studied in recent experiments with strontium-87 atoms trapped i…
Application of the Diamond Gate in Quantum Fourier Transformations and Quantum Machine Learning
E. Bahnsen, S. E. Rasmussen, N. J. S. Loft +1
As we are approaching actual application of quantum technology, it is essential to exploit the current quantum resources in the best possible way. With this in mind, it might not b…
The superconducting circuit companion -- an introduction with worked examples
S. E. Rasmussen, K. S. Christensen, S. P. Pedersen +4
This tutorial aims at giving an introductory treatment of the circuit analysis of superconducting qubits, i.e., two-level systems in superconducting circuits. It also touches upon…
Entanglement-enhanced quantum rectification
Kasper Poulsen, Alan C. Santos, Lasse B. Kristensen +1
Quantum mechanics dictates the band-structure of materials that is essential for functional electronic components. With increased miniaturization of devices, it becomes possible to…
Generation of spin currents by a temperature gradient in a two-terminal device
R. E. Barfknecht, A. Foerster, N. T. Zinner +1
Theoretical and experimental studies of the interaction between spins and temperature are vital for the development of spin caloritronics, as they dictate the design of future devi…
A revisit of PSR J19093744 with 15-year high-precision timing
K. Liu, L. Guillemot, A. G. Istrate +10
We report on a high-precision timing analysis and an astrophysical study of the binary millisecond pulsar, PSR J19093744, motivated by the accumulation of data with well improve…
Lattice gauge theory and dynamical quantum phase transitions using noisy intermediate scale quantum devices
Simon Panyella Pedersen, Nikolaj Thomas Zinner
Lattice gauge theories are a fascinating and rich class of theories relating to the most fundamental models of particle physics, and as experimental control on the quantum level in…
Reducing the amount of single-qubit rotations in VQE and related algorithms
S. E. Rasmussen, N. J. S. Loft, T. Bækkegaard +2
With the advent of hybrid quantum classical algorithms using parameterized quantum circuits the question of how to optimize these algorithms and circuits emerges. In this paper we…
The origin of pulsating ultra-luminous X-ray sources: Low- and intermediate-mass X-ray binaries containing neutron star accretors
Devina Misra, Tassos Fragos, Thomas Tauris +2
Ultra-luminous X-ray sources (ULXs) are those X-ray sources located away from the centre of their host galaxy with luminosities exceeding the Eddington limit of a stellar-mass blac…
Giant Magnetoresistance in Boundary-Driven Spin Chains
Kasper Poulsen, Nikolaj T. Zinner
In solid state physics, giant magnetoresistance is the large change in electrical resistance due to an external magnetic field. Here we show that giant magnetoresistance is possibl…
Early neutron star evolution in high-mass X-ray binaries
Wynn C. G. Ho, M. J. P. Wijngaarden, Nils Andersson +2
The application of standard accretion theory to observations of X-ray binaries provides valuable insights into neutron star properties, such as their spin period and magnetic field…
MeV-scale reheating temperature and cosmological production of light sterile neutrinos
Takuya Hasegawa, Nagisa Hiroshima, Kazunori Kohri +3
We investigate how sterile neutrinos with a range of masses influence cosmology in MeV-scale reheating temperature scenarios. By computing the production of sterile neutrinos throu…
Simple implementation of high fidelity controlled-SWAP gates and quantum circuit exponentiation of non-Hermitian gates
S. E. Rasmussen, N. T. Zinner
The swap gate is an entangling swapping gate where the qubits obtain a phase of if the state of the qubits is swapped. Here we present a simple implementation of the control…