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The Mott transition is investigated in three different organic insulators with triangular lattices and evidence of quantum criticality in an intermediate temperature regime is uncovered.
The rotation curve of a galaxy reflects the galactic mass distribution. For the Milky Way, such observational data are incompatible with models based on baryonic matter alone, which could be due to the presence of dark matter in the inner Milky Way.
Understanding the motion of magnetic skyrmions is essential if they are to be used as information carriers in devices. It is now shown that topological confinement endows the skyrmions with an unexpectedly large mass, which plays a key role in their dynamics.
Charge carriers in transition metal dichalcogenides have an extra degree of freedom known as valley pseudospin, which is associated with the shape of the energy bands. Experiments show that this pseudospin can be manipulated using magnetic fields.
Charge carriers in transition metal dichalcogenides have an extra degree of freedom known as valley pseudospin, which is associated with the shape of the energy bands. Experiments show that this pseudospin can be manipulated using magnetic fields.
Mechanical metamaterials are artificial structures whose properties originate from their geometry. In such structures, it is now shown that topological modes can exist that are robust against a range of structural deformations.
A single-particle model is usually used to interpret the tunnelling spectra of molecules on surfaces, but scanning tunnelling microscopy now shows that many-body effects can occur in a single molecule.
Astrophysical processes are often driven by collisionless plasma shock waves. The Weibel instability, a possible mechanism for developing such shocks, has now been generated in a laboratory set-up with laser-generated plasmas.
To gain insight into the properties of quantum matter, a superatom—an ensemble of strongly interacting atoms in the Rydberg blockade regime—is created and characterized by precisely controlling the density and Rydberg excitations.
The quantum mechanical concept of ‘steering’ refers to the feasibility of one system to nonlocally affect, or steer, another system’s states through local measurements. Multipartite steering is now demonstrated in a programmable optical network.
