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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.
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Amplification of intense light fields by nearly free electrons

Mon, 16/04/2018 - 00:00

Amplification of intense light fields by nearly free electrons

Amplification of intense light fields by nearly free electrons, Published online: 16 April 2018; doi:10.1038/s41567-018-0105-0

Light fields of energy comparable to the Coloumb field that binds valence electrons in atoms generate states where nearly free electrons oscillate in the laser field. These are now shown to exist in rare gases, acting as gain for laser filamentation.

Publisher Correction: Doping-induced disappearance of ice II from water’s phase diagram

Wed, 11/04/2018 - 00:00

Publisher Correction: Doping-induced disappearance of ice II from water’s phase diagram

Publisher Correction: Doping-induced disappearance of ice II from water’s phase diagram, Published online: 11 April 2018; doi:10.1038/s41567-018-0135-7

Publisher Correction: Doping-induced disappearance of ice II from water’s phase diagram

Ethology as a physical science

Mon, 09/04/2018 - 00:00

Ethology as a physical science

Ethology as a physical science, Published online: 09 April 2018; doi:10.1038/s41567-018-0093-0

Ethology as a physical science

Charge quantum interference device

Mon, 09/04/2018 - 00:00

Charge quantum interference device

Charge quantum interference device, Published online: 09 April 2018; doi:10.1038/s41567-018-0097-9

The charge–phase duality in superconductors implies that the well-known SQUID has an analogue based on the interference of fluxons. Such a ‘charge quantum interference device’ (or CQUID) has now been experimentally demonstrated.

The push for a place in the crowd

Mon, 09/04/2018 - 00:00

The push for a place in the crowd

The push for a place in the crowd, Published online: 09 April 2018; doi:10.1038/s41567-018-0114-z

Cells change shape and volume when they divide — not a simple task, especially when they are confined by surrounding tissue. Experiments now reveal that hydrostatic pressure changes generate the pushing forces that cells need to create space for division.

Mitotic cells generate protrusive extracellular forces to divide in three-dimensional microenvironments

Mon, 09/04/2018 - 00:00

Mitotic cells generate protrusive extracellular forces to divide in three-dimensional microenvironments

Mitotic cells generate protrusive extracellular forces to divide in three-dimensional microenvironments, Published online: 09 April 2018; doi:10.1038/s41567-018-0092-1

Little is known about how a cell’s surroundings within tissue influence the mechanics of its division. Experiments on constrained dividing cells reveal that they create protrusive forces in order to undergo the shape changes required for division.

Elementary again

Fri, 06/04/2018 - 00:00

Elementary again

Elementary again, Published online: 06 April 2018; doi:10.1038/s41567-018-0108-x

Mark Keller explains how the elementary charge will soon be reinstated in metrology — and why it got sidelined in the first place.

Art and the machine

Fri, 06/04/2018 - 00:00

Art and the machine

Art and the machine, Published online: 06 April 2018; doi:10.1038/s41567-018-0110-3

Art and the machine

Power of crowdsourcing

Fri, 06/04/2018 - 00:00

Power of crowdsourcing

Power of crowdsourcing, Published online: 06 April 2018; doi:10.1038/s41567-018-0122-z

Power of crowdsourcing

Filmmaking in the family

Fri, 06/04/2018 - 00:00

Filmmaking in the family

Filmmaking in the family, Published online: 06 April 2018; doi:10.1038/s41567-018-0119-7

Filmmaking in the family

Beyond CMOS computing with spin and polarization

Fri, 06/04/2018 - 00:00

Beyond CMOS computing with spin and polarization

Beyond CMOS computing with spin and polarization, Published online: 06 April 2018; doi:10.1038/s41567-018-0101-4

Beyond CMOS computing with spin and polarization

Turn it off and on again

Fri, 06/04/2018 - 00:00

Turn it off and on again

Turn it off and on again, Published online: 06 April 2018; doi:10.1038/s41567-018-0120-1

Turn it off and on again

Cog in the machine

Fri, 06/04/2018 - 00:00

Cog in the machine

Cog in the machine, Published online: 06 April 2018; doi:10.1038/s41567-018-0117-9

Cog in the machine

Multidimensional scrambling

Fri, 06/04/2018 - 00:00

Multidimensional scrambling

Multidimensional scrambling, Published online: 06 April 2018; doi:10.1038/s41567-018-0121-0

Multidimensional scrambling

Geometric constraints during epithelial jamming

Mon, 02/04/2018 - 00:00

Geometric constraints during epithelial jamming

Geometric constraints during epithelial jamming, Published online: 02 April 2018; doi:10.1038/s41567-018-0089-9

Epithelial cells are shown to scale via a shape distribution that is common to a number of different systems, suggesting that cell shape and shape variability are constrained through a relationship that is purely geometrical.

Bulk crystalline optomechanics

Mon, 02/04/2018 - 00:00

Bulk crystalline optomechanics

Bulk crystalline optomechanics, Published online: 02 April 2018; doi:10.1038/s41567-018-0090-3

Optomechanical coupling to macroscopic phonon modes of a bulk acoustic-wave resonator is demonstrated, providing access to high acoustics quality factors for phononic modes at high frequencies that are robust to decoherence.

Detecting the phonon spin in magnon–phonon conversion experiments

Mon, 02/04/2018 - 00:00

Detecting the phonon spin in magnon–phonon conversion experiments

Detecting the phonon spin in magnon–phonon conversion experiments, Published online: 02 April 2018; doi:10.1038/s41567-018-0079-y

Experiments on a magnetostrictive material reveal the conversion between coherent magnons and phonons that have spin.

Classical topological order in the kinetics of artificial spin ice

Mon, 02/04/2018 - 00:00

Classical topological order in the kinetics of artificial spin ice

Classical topological order in the kinetics of artificial spin ice, Published online: 02 April 2018; doi:10.1038/s41567-018-0077-0

Experiments on the Shakti geometry of artificial spin ice show that its low-energy excitations are topologically protected, and that an emergent classical topological order influences the ergodicity and equilibration of this nanomagnetic system.

A new twist on phonons

Mon, 02/04/2018 - 00:00

A new twist on phonons

A new twist on phonons, Published online: 02 April 2018; doi:10.1038/s41567-018-0104-1

Many particles — both fundamental and emergent — carry angular momentum or spin. Experiments have now demonstrated that phonons can transport angular momentum, showing that they may have spin too.

Better than Brillouin

Mon, 02/04/2018 - 00:00

Better than Brillouin

Better than Brillouin, Published online: 02 April 2018; doi:10.1038/s41567-018-0102-3

Light can be coupled to sound via Brillouin scattering, but realizing an efficient interaction isn’t trivial. A new type of resonator succeeds in doing so in a macroscopic device — boasting features that better its nanoscale counterparts.

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