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Disks interacting via particular potentials self-organize into triangles that stabilize mosaics with 10-, 12-, 18- and 24-fold symmetry, as revealed by computer simulations. Discoveries of further novel quasicrystals may now be within reach.
A recent experiment shows that graphene nanoribbons can be grown to be perfect conductors where electrons travel long distances without coming across a single obstacle.
The back-action of a weak measurement on the electron spin of a nitrogen–vacancy centre in diamond can be used to steer the associated nuclear spin towards a desired state.
Iron pnictide superconductors often feature nematic, symmetry-breaking electronic states. These phenomena are now found to persist into the tetragonal phase of NaFeAs — a new piece of information that may help settle the fundamental origin of nematic electronic states.
The Dzyaloshinskii–Moriya interaction — the mechanism behind weak ferromagnetism — has been difficult to probe experimentally. Now, significant progress is reported that has important implications for a wide range of magnetic phenomena.
Chemical doping is a standard method of tuning electronic and structural properties of materials. Now, it has been shown that doping a pure superconductor can induce a percolative transition to magnetism.
Nematic order in the iron-based superconductors breaks the symmetry between the x and y directions in the Fe plane. Beyond this, however, there is little consensus on how nematic order arises and whether it has an effect on superconductivity. This Review discusses the current theoretical and experimental state of the field.
The density of monopoles in spin ice can be enhanced by rapid cooling. After the creation of significant numbers of monopoles, magnetization measurements show that, much like charges in an electric field, monopoles can be driven by a magnetic field.
Experiments in microfluidics reveal long-range orientational correlations in the velocities of flowing droplets that can be rationalized in terms of an analytically solvable model.
The no-cloning theorem is challenged by super-replication, a process that takes a number of copies of a state and produces a quadratically larger number of exponentially close-to-perfect copies — the catch being the low odds of success.
