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Nature Physics, Published online: 06 December 2021; doi:10.1038/s41567-021-01402-0

Interaction with light can be used to precisely control motional states. This Review surveys recent progress in the preparation of non-classical mechanical states and in the application of optomechanical platforms to specific tasks in quantum technology.

Nature Physics, Published online: 02 December 2021; doi:10.1038/s41567-021-01408-8

Stacking and twisting two-dimensional materials has led to the observation of a variety of electronic phenomena. Now, magnetic behaviour that is distinct from anything seen in individual layers is induced by a moiré pattern in double bilayer chromium triiodide.

Nature Physics, Published online: 02 December 2021; doi:10.1038/s41567-021-01404-y

Superconductivity and ordered states formed by interactions—both of which could be unconventional—have recently been observed in a family of kagome materials.

Nature Physics, Published online: 01 December 2021; doi:10.1038/s41567-021-01448-0

Solitary waves — solitons — occur in a wide range of physical systems with a broad array of attributes and applications. Carefully engineered light–matter interactions have now produced an optomechanical dissipative soliton with promising properties.

Nature Physics, Published online: 01 December 2021; doi:10.1038/s41567-021-01454-2

Author Correction: Casimir spring and dilution in macroscopic cavity optomechanics

Nature Physics, Published online: 30 November 2021; doi:10.1038/s41567-021-01457-z

Charge density waves are the periodic spatial modulation of electrons in a solid. A new experiment reveals that they can originate from two different electronic bands in a prototypical transition metal dichalcogenide, NbSe2.

Nature Physics, Published online: 25 November 2021; doi:10.1038/s41567-021-01443-5

To test the validity of theoretical models, the predictions they make must be compared with experimental data. Instead of choosing one model out of many to describe mass measurements of zirconium, Bayesian statistics allows the averaging of a variety of models.

Nature Physics, Published online: 25 November 2021; doi:10.1038/s41567-021-01380-3

Information theory sets an upper limit on the ability of bacteria to navigate up chemical gradients. Experiments reveal that cells do so at speeds within a factor of two of the limit, suggesting they are selected to efficiently use information.

Nature Physics, Published online: 25 November 2021; doi:10.1038/s41567-021-01395-w

High-precision mass measurements of exotic zirconium nuclei are reported, and reveal a double-shell closure for the deformed nucleus 80Zr, which is more strongly bound than previously thought.

Nature Physics, Published online: 25 November 2021; doi:10.1038/s41567-021-01398-7

The detailed structure of each atomic species determines what physics can be achieved with ultracold gases. This review discusses the exciting applications that follow from lanthanides’ complex electronic structure.

Nature Physics, Published online: 18 November 2021; doi:10.1038/s41567-021-01370-5

Ultracold gases provide a platform for idealized realizations of many-body systems. Thanks to recent advances in quantum gas microscopy, collective quantum phenomena can be probed with single-site resolution.

Nature Physics, Published online: 18 November 2021; doi:10.1038/s41567-021-01392-z

A search for axion-like dark matter with a quantum sensor that enhances potential signals is reported. This work constrains the parameter space of different interactions between nucleons and axion-like particles and between nucleons and dark photons.

Nature Physics, Published online: 18 November 2021; doi:10.1038/s41567-021-01374-1

Experiments on cell monolayers on corrugated hydrogels reveal the effects of local curvature on the shape of cells and nuclei. A vertex model lends support to the idea that the modulation of tissue thickness may enable curvature sensing.

Nature Physics, Published online: 18 November 2021; doi:10.1038/s41567-021-01379-w

Laser cooling underpins the field of ultracold quantum gases. This Review surveys recent methodological advances that are pushing quantum gases into new regimes.

Nature Physics, Published online: 11 November 2021; doi:10.1038/s41567-021-01357-2

Large arrays of atoms and molecules can be arranged and controlled with high precision using optical tweezers. This Review surveys the latest methodological advances and their applications to quantum technologies.

Nature Physics, Published online: 08 November 2021; doi:10.1038/s41567-021-01412-y

Time for a decision

Nature Physics, Published online: 08 November 2021; doi:10.1038/s41567-021-01415-9

Self-testing available locally

Nature Physics, Published online: 08 November 2021; doi:10.1038/s41567-021-01413-x

Out-of-equilibrium criticality

Nature Physics, Published online: 08 November 2021; doi:10.1038/s41567-021-01416-8

Far-reaching control

Nature Physics, Published online: 08 November 2021; doi:10.1038/s41567-021-01414-w

All the colours of the rainbow