Physics Department - Extern RSS Feeds

Publisher Correction: Interacting topological edge channels

Nature Physics - Τετ, 04/11/2020 - 00:00

Nature Physics, Published online: 04 November 2020; doi:10.1038/s41567-020-01091-1

Publisher Correction: Interacting topological edge channels

The force of perpetual problems

Nature Physics - Τετ, 04/11/2020 - 00:00

Nature Physics, Published online: 04 November 2020; doi:10.1038/s41567-020-01099-7

The force of perpetual problems

Unmeltable

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01089-9

Unmeltable

Condensation over Cthulhu

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01087-x

Condensation over Cthulhu

Balm for the bug

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01085-z

Balm for the bug

A show of magnetic force

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01088-w

A show of magnetic force

Nickel and dime

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01086-y

Nickel and dime

Disentangling scaling arguments to empower complex systems analysis

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-01063-5

Scaling arguments provide valuable analysis tools across physics and complex systems yet are often employed as one generic method, without explicit reference to the various mathematical concepts underlying them. A careful understanding of these concepts empowers us to unlock their full potential.

Asymptotic scaling describing signal propagation in complex networks

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-1025-3

Asymptotic scaling describing signal propagation in complex networks

Reply to: Asymptotic scaling describing signal propagation in complex networks

Nature Physics - Δευ, 02/11/2020 - 00:00

Nature Physics, Published online: 02 November 2020; doi:10.1038/s41567-020-1027-1

Reply to: Asymptotic scaling describing signal propagation in complex networks

Clock comparison using black holes

Nature Physics - Πέμ, 29/10/2020 - 00:00

Nature Physics, Published online: 29 October 2020; doi:10.1038/s41567-020-01071-5

Observing accreting black holes in the early Universe allows precise comparison of clocks over intercontinental distances on Earth. This is achieved with a novel observation strategy using the next generation of very long baseline interferometry systems.

Publisher Correction: Ultrasound evidence for a two-component superconducting order parameter in Sr<sub>2</sub>RuO<sub>4</sub>

Nature Physics - Τετ, 28/10/2020 - 00:00

Nature Physics, Published online: 28 October 2020; doi:10.1038/s41567-020-01090-2

Publisher Correction: Ultrasound evidence for a two-component superconducting order parameter in Sr2RuO4

The Heisenberg limit for laser coherence

Nature Physics - Δευ, 26/10/2020 - 00:00

Nature Physics, Published online: 26 October 2020; doi:10.1038/s41567-020-01049-3

The coherence of a close-to-ideal laser beam can be quadratically better than what was believed to be the quantum limit. This new Heisenberg limit could be attained with circuit quantum electrodynamics.

Isotopy and energy of physical networks

Nature Physics - Δευ, 19/10/2020 - 00:00

Nature Physics, Published online: 19 October 2020; doi:10.1038/s41567-020-1029-z

Recently, a framework was introduced to model three-dimensional physical networks, such as brain or vascular ones, in a way that does not allow link crossings. Here the authors combine concepts from knot theory and statistical mechanics to be able to distinguish between physical networks with identical wiring but different layouts.

Resonant phase-matching between a light wave and a free-electron wavefunction

Nature Physics - Δευ, 12/10/2020 - 00:00

Nature Physics, Published online: 12 October 2020; doi:10.1038/s41567-020-01042-w

Energy–momentum phase-matching enables strong interactions between free electrons and light waves. As a result, the wavefunction of the electron exhibits a comb structure, which was observed using photon-induced near-field electron microscopy.

Directional self-locomotion of active droplets enabled by nematic environment

Nature Physics - Δευ, 12/10/2020 - 00:00

Nature Physics, Published online: 12 October 2020; doi:10.1038/s41567-020-01055-5

Active matter particles self-propel but controlling their direction of motion can be challenging. Here the authors place motile bacteria inside microdroplets and control their propulsion by exploiting the asymmetric director structure of the surrounding liquid crystal.

Electrically tunable correlated and topological states in twisted monolayer–bilayer graphene

Nature Physics - Δευ, 12/10/2020 - 00:00

Nature Physics, Published online: 12 October 2020; doi:10.1038/s41567-020-01062-6

Stacking a monolayer and bilayer of graphene, with a small twist angle between them, creates a tunable platform where the physics of both twisted bilayer graphene and twisted double bilayer graphene can be realized.

Author Correction: Spectroscopic fingerprint of charge order melting driven by quantum fluctuations in a cuprate

Nature Physics - Παρ, 09/10/2020 - 00:00

Nature Physics, Published online: 09 October 2020; doi:10.1038/s41567-020-01075-1

Author Correction: Spectroscopic fingerprint of charge order melting driven by quantum fluctuations in a cuprate

Intercontinental comparison of optical atomic clocks through very long baseline interferometry

Nature Physics - Δευ, 05/10/2020 - 00:00

Nature Physics, Published online: 05 October 2020; doi:10.1038/s41567-020-01038-6

Very long baseline interferometry is used to compare two optical clocks located in Japan and Italy through the observation of extragalactic radio sources. This approach overcomes limitations of the performance of satellite transfer techniques.

Scale-invariant magnetic anisotropy in RuCl<sub>3</sub> at high magnetic fields

Nature Physics - Δευ, 05/10/2020 - 00:00

Nature Physics, Published online: 05 October 2020; doi:10.1038/s41567-020-1028-0

Scale-invariant magnetic anisotropy in RuCl3 has been revealed through measurements of its magnetotropic coefficient, providing evidence for a high degree of exchange frustration that favours the formation of a spin liquid state.

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