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Nature Physics offers a unique mix of news and reviews alongside top-quality research papers. Published monthly, in print and online, the journal reflects the entire spectrum of physics, pure and applied.
Ενημερώθηκε: πριν από 42 λεπτά 30 δευτερόλεπτα

Photonic quantum Hall effect and multiplexed light sources of large orbital angular momenta

Πέμ, 25/02/2021 - 00:00

Nature Physics, Published online: 25 February 2021; doi:10.1038/s41567-021-01165-8

A topological photonic crystal design directly generates light that carries orbital angular momentum with high quantum numbers. The beam contains several different states at the same time, promising integrated and multiplexed light sources.

Non-equilibrium quantum dynamics and formation of the Bose polaron

Πέμ, 25/02/2021 - 00:00

Nature Physics, Published online: 25 February 2021; doi:10.1038/s41567-021-01184-5

Quantum impurities immersed in a bosonic environment can evolve into polaronic quasiparticles, so-called polarons. Interferometric measurement reveals this transition, which involves three different regimes dominated by few-body and many-body dynamics.

Gain-induced topological response via tailored long-range interactions

Πέμ, 25/02/2021 - 00:00

Nature Physics, Published online: 25 February 2021; doi:10.1038/s41567-021-01185-4

Non-Hermitian concepts together with optical gain allow the tailoring of short- and long-range exchange interactions in integrated topological photonics, and an exact Haldane model can be realized in this way.

Forward thinking on backward tracing

Πέμ, 25/02/2021 - 00:00

Nature Physics, Published online: 25 February 2021; doi:10.1038/s41567-021-01188-1

SARS, MERS and now SARS-CoV-2 are unlikely to be the last emerging infections we face during our lifetimes. Tracing contacts both forward and backward through our heterogeneous populations will prove essential to future response strategies.

The effectiveness of backward contact tracing in networks

Πέμ, 25/02/2021 - 00:00

Nature Physics, Published online: 25 February 2021; doi:10.1038/s41567-021-01187-2

Contact tracing is key to epidemic control, but network analysis now suggests that whom you infect may not be as pertinent a question as who infected you. Biases due to contact heterogeneity reveal the efficacy of backward over forward tracing.

Publisher Correction: Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of <i>N</i> = 32

Τετ, 24/02/2021 - 00:00

Nature Physics, Published online: 24 February 2021; doi:10.1038/s41567-021-01192-5

Publisher Correction: Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32

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