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15 papers · 2 filters
Protecting qudit operations from noise by continuous dynamical decoupling
Reginaldo de Jesus Napolitano, Felipe Fernandes Fanchini, Adonai Hilario da Silva +1
We develop a procedure of generalized continuous dynamical decoupling (GCDD) for an ensemble of -level systems (qudits), allowing one to protect the action of an arbitrary multi…
A Finite-Geometric Classification of Three-Qubit Mermin Pentagrams
Metod Saniga, Frederic Holweck, Hamza Jaffali
Given the facts that the three-qubit symplectic polar space features three different kinds of observables and each of its labeled Fano planes acquires a definite sign, we found tha…
Critical review of quantum plasmonic models for finite-size media
V. Dorier, S. Guérin, H. R. Jauslin
We provide a critical analysis of some of the commonly used theoretical models to describe quantum plasmons. We summarize the standard approach based on a Fano diagonalization and…
Theoretical description and experimental simulation of quantum entanglement near open time-like curves via pseudo-density operators
C. Marletto, V. Vedral, S. Virzì +6
Closed timelike curves are striking predictions of general relativity allowing for time-travel. They are afflicted by notorious causality issues (e.g. grandfather's paradox). Quant…
Adiabatic Elimination and Sub-space Evolution of Open Quantum Systems
Daniel Finkelstein-Shapiro, David Viennot, Ibrahim Saideh +3
Efficient descriptions of open quantum systems can be obtained by performing an adiabatic elimination of the fast degrees of freedom and formulating effective operators for the slo…
Robust stimulated Raman exact passage using shaped pulses
Xavier Laforgue, Stéphane Guérin, Xi Chen
We developed single-shot shaped pulses for ultra high fidelity (UH-fidelity) population transfer on a 3-level quantum system in lambda configuration. To ensure high fidelity, we us…