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- National Quantum Information Centre in GdanskPL167 papers
- Gdańsk University of TechnologyPL161 papers
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- Adam Mickiewicz University in PoznańPL53 papers
- Nanyang Technological UniversitySG49 papers
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71 papers · 1 filter
Closest approach of a quantum projectile
A Kumar, T Krisnanda, P Arumugam +1
We consider the simplest case of Rutherford scattering, i.e. the head-on collision, where the projectile is treated quantum mechanically. The convexity of repulsive Coulomb force i…
Entanglement between superconducting qubits and a tardigrade
K. S. Lee, Y. P. Tan, L. H. Nguyen +8
Quantum and biological systems are seldom discussed together as they seemingly demand opposing conditions. Life is complex, "hot and wet" whereas quantum objects are small, cold an…
Positive maps from the walled Brauer algebra
Maria Balanzó-Juandó, Michał Studziński, Felix Huber
We present positive maps and matrix inequalities for variables from the positive cone. These inequalities contain partial transpose and reshuffling operations, and can be understoo…
Constructive nonlocal games with very small classical values
M. Rosicka, S. Szarek, A. Rutkowski +2
There are few explicit examples of two player nonlocal games with a large gap between classical and quantum value. One of the reasons is that estimating the classical value is usua…
SIC-POVMs from Stark units: Prime dimensions n^2+3
Marcus Appleby, Ingemar Bengtsson, Markus Grassl +2
We propose a recipe for constructing a SIC fiducial vector in complex Hilbert space of dimension of the form , focussing on prime dimensions . Such structures are sho…
Accessible fragments of generalized probabilistic theories, cone equivalence, and applications to witnessing nonclassicality
John H. Selby, David Schmid, Elie Wolfe +3
The formalism of generalized probabilistic theories (GPTs) was originally developed as a way to characterize the landscape of conceivable physical theories. Thus, the GPT describin…