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19932026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing 2011 · quant-phShow all

8 papers · 2 filters

quant-ph2011★ 26 cited

Maximum-confidence discrimination among symmetric qudit states

O. Jiménez, M. A. Solís-Prosser, A. Delgado +1

We study the maximum-confidence (MC) measurement strategy for discriminating among nonorthogonal symmetric qudit states. Restricting to linearly dependent and equally likely pure s…

quant-ph2011★ 9 cited

Quantifying the non-Gaussianity of the state of spatially correlated down-converted photons

E. S. Gómez, W. A. T. Nogueira, C. H. Monken +1

The state of the spatially correlated down-converted photons is usually treated as a two-mode Gaussian entangled state. While intuitively this seems to be reasonable, it is known t…

quant-ph2011★ 12 cited

Optimal measurement bases for Bell-tests based on the CH-inequality

G. Lima, E. B. Inostroza, R. O. Vianna +2

The Hardy test of nonlocality can be seen as a particular case of the Bell tests based on the Clauser-Horne (CH) inequality. Here we stress this connection when we analyze the rela…

quant-ph2011★ 36 cited

Remote state preparation of spatial qubits

M. A. Solís-Prosser, L. Neves

We study the quantum communication protocol of remote state preparation (RSP) for pure states of qubits encoded in single photons transmitted through a double slit, the so-called s…

quant-ph2011★ 16 cited

Bell scenarios in which nonlocality and entanglement are inversely related

G. Vallone, G. Lima, E. S. Gómez +4

We show that for two-qubit chained Bell inequalities with an arbitrary number of measurement settings, nonlocality and entanglement are not only different properties but are invers…

quant-ph2011★ 18 cited

Entanglement of formation for a class of -dimensional systems

F. Lastra, C. E. López, L. Roa +1

Currently the entanglement of formation can be calculated analytically for mixed states in a -dimensional Hilbert space. For states in higher dimensional Hilbert space…

quant-ph2011★ 53 cited

Quantum process reconstruction based on mutually unbiased basis

A. Fernández-Pérez, A. B. Klimov, C. Saavedra

We study a quantum process reconstruction based on the use of mutually unbiased projectors (MUB-projectors) as input states for a D-dimensional quantum system, with D being a power…

quant-ph2011★ 44 cited

Testing Hardy nonlocality proof with genuine energy-time entanglement

G. Vallone, I. Gianani, E. B. Inostroza +4

We show two experimental realizations of Hardy ladder test of quantum nonlocality using energy-time correlated photons, following the scheme proposed by A. Cabello \emph{et al.} [P…