888 citations
- University of LisbonPT164 papers
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14 papers · 1 filter
Benchmarking Machine Learning Algorithms for Adaptive Quantum Phase Estimation with Noisy Intermediate-Scale Quantum Sensors
Nelson Filipe Costa, Yasser Omar, Aidar Sultanov +1
Quantum phase estimation is a paradigmatic problem in quantum sensing andmetrology. Here we show that adaptive methods based on classical machinelearning algorithms can be used to…
Quantum Technologies in Space
Rainer Kaltenbaek, Antonio Acin, Laszlo Bacsardi +17
Recently, the European Commission supported by many European countries has announced large investments towards the commercialization of quantum technology (QT) to address and mitig…
Continuous-time quantum walk spatial search on the Bollobás scale-free network
Tomo Osada, Bruno Coutinho, Yasser Omar +3
The scale-free property emerges in various real-world networks and is an essential property which characterizes the dynamics or features of such networks. In this work we investiga…
Bound-state spectrum of an impurity in a quantum vortex
João E. H. Braz, H. Terças
We consider the problem of finding the bound-state spectrum of an impurity immersed in a weakly interacting two-dimensional Bose-Einstein condensate supporting a single vortex. We…
Universal evolution of non-classical correlations due to collective spontaneous emission
A. Slaoui, M. I. Shaukat, M. Daoud +1
We explore the spontaneous generation and decay of quantum correlations between two identical atoms coupled to a common Markovian environment in the presence of electromagnetic fie…
Entanglement swapping via three-step quantum walk-like protocol
Xiao-Man Li, Ming Yang, Nikola Paunkovic +2
We present an entanglement swapping process for unknown nonmaximally entangled photonic states, where the standard Bell-state measurement is replaced by a three-step quantum walk-l…