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19952026
most citedA SIDARTHE Model of COVID-19 Epidemic in Italy

1.9k citations

Showing 2020 · quant-phShow all

6 papers · 2 filters

quant-ph2020★ 98 cited

Unraveling the Non-Hermitian Skin Effect in Dissipative Systems

Stefano Longhi

The non-Hermitian skin effect, i.e. eigenstate condensation at the edges in lattices with open boundaries, is an exotic manifestation of non-Hermitian systems. In Bloch theory, an…

quant-ph2020★ 43 cited

Robust calibration of multiparameter sensors via machine learning at the single-photon level

Valeria Cimini, Emanuele Polino, Mauro Valeri +7

Calibration of sensors is a fundamental step to validate their operation. This can be a demanding task, as it relies on acquiring a detailed modelling of the device, aggravated by…

quant-ph2020★ 84 cited

Fast and robust quantum state transfer in a topological Su-Schrieffer-Heeger chain with Next-to-Nearest-Neighbour interactions

Felippo M. D'Angelis, Felipe A. Pinheiro, David Guéry-Odelin +2

We suggest a method for fast and robust quantum-state transfer in a Su-Schrieffer-Heeger (SSH) chain, which exploits the use of next-to-nearest-neighbour (NNN) interactions. The pr…

quant-ph2020★ 6 cited

Intermittent decoherence blockade in a chiral ring environment

Salvatore Lorenzo, Stefano Longhi, Albert Cabot +2

It has long been recognized that emission of radiation from atoms is not an intrinsic property of individual atoms themselves, but it is largely affected by the characteristics of…

quant-ph2020★ 12 cited

Topological Protection and Control of Quantum Markovianity

Gian Luca Giorgi, Salvatore Lorenzo, Stefano Longhi

Under the Born--Markov approximation, a qubit system, such as a two-level atom, is known to undergo a memoryless decay of quantum coherence or excitation when weakly coupled to a f…

quant-ph2020★ 161 cited

Non-Bloch band collapse and chiral Zener tunneling

Stefano Longhi

Non-Bloch band theory describes bulk energy spectra and topological invariants in non-Hermitian crystals with open boundaries, where the bulk eigenstates are squeezed toward the ed…