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Showing 2011 · quant-phShow all

11 papers · 2 filters

quant-ph2011★ 103 cited

Material dependence of Casimir forces: gradient expansion beyond proximity

G. Bimonte, T. Emig, M. Kardar

A widely used method for estimating Casimir interactions [H. B. G. Casimir, Proc. K. Ned. Akad. Wet. 51, 793 (1948)] between gently curved material surfaces at short distances is t…

quant-ph2011★ 14 cited

On Relativistic Quantum Information Properties of Entangled Wave Vectors of Massive Fermions

C. Cafaro, S. Capozziello, S. Mancini

We study special relativistic effects on the entanglement between either spins or momenta of composite quantum systems of two spin-1/2 massive particles, either indistinguishable o…

quant-ph2011★ 131 cited

Casimir forces beyond the proximity approximation

G. Bimonte, T. Emig, R. L. Jaffe +1

The proximity force approximation (PFA) relates the interaction between closely spaced, smoothly curved objects to the force between parallel plates. Precision experiments on Casim…

quant-ph2011★ 934 cited

A gravitational wave observatory operating beyond the quantum shot-noise limit: Squeezed light in application

The LIGO Scientific Collaboration

Around the globe several observatories are seeking the first direct detection of gravitational waves (GWs). These waves are predicted by Einstein's General Theory of Relativity [Ei…

quant-ph2011★ 34 cited

Dilution and resonance enhanced repulsion in non-equilibrium fluctuation forces

Giuseppe Bimonte, Thorsten Emig, Matthias Kruger +1

In equilibrium, forces induced by fluctuations of the electromagnetic field between electrically polarizable objects (microscopic or macroscopic) in vacuum are always attractive. T…

quant-ph2011★ 64 cited

Non-equilibrium Casimir forces: Spheres and sphere-plate

Matthias Krüger, Thorsten Emig, Giuseppe Bimonte +1

We discuss non-equilibrium extensions of the Casimir force (due to electromagnetic fluctuations), where the objects as well as the environment are held at different temperatures. W…

quant-ph2011★ 30 cited

Entanglement quantification by local unitaries

A. Monras, G. Adesso, S. M. Giampaolo +3

Invariance under local unitary operations is a fundamental property that must be obeyed by every proper measure of quantum entanglement. However, this is not the only aspect of ent…

quant-ph2011★ 22 cited

Resilience of orbital angular momentum qubits and effects on hybrid entanglement

Daniele Giovannini, Eleonora Nagali, Lorenzo Marrucci +1

The orbital angular momentum of light (OAM) provides a promising approach for the implementation of multidimensional states (qudits) for quantum information purposes. In order to c…

quant-ph2011★ 176 cited

Spin-orbit hybrid entanglement of photons and quantum contextuality

Ebrahim Karimi, Jonathan Leach, Sergei Slussarenko +7

We demonstrate electromagnetic quantum states of single photons and of correlated photon pairs exhibiting "hybrid" entanglement between spin and orbital angular momentum. These sta…

quant-ph2011★ 11 cited

The observables of a dissipative quantum system

Dariusz Chruściński, Paolo Facchi, Giuseppe Marmo +1

A time-dependent product is introduced between the observables of a dissipative quantum system, that accounts for the effects of dissipation on observables and commutators. In the…

quant-ph2011★ 4 cited

Physical realization of Photonic Klein Tunneling

S. Esposito

General physical conditions for the occurrence of photonic Klein tunneling are studied, where (controlled) spontaneous emission from the devices considered plays a key role. The sp…