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The microtubule–kinesin system is a well-known active matter system. Now it is shown that a microtubule-based active fluid can assemble adhesive non-thermal fibres into a membrane-like structure.
In a kagome superconductor, sublattice degrees of freedom are shown to govern a distinct density wave phase featuring chiral textures and symmetry properties that align with one of the fundamental frieze symmetry groups.
Combining quantum error correction with gauge theory concepts from many-body physics enables the design of codes with improved resource requirements for fault-tolerant quantum computation.
Airy beams are promising for applications requiring sharp focusing but have so far been realized in only two dimensions. Now their extension to three dimensions exhibits superior spatiotemporal focusing dynamics than Gaussian beams.
Previous observations of the valley Hall effect have been limited to the linear regime. Now a nonlinear version is demonstrated with a larger magnitude than in the linear case.
Atomic insulators come in two varieties: so-called unobstructed and obstructed types. The former are common and now scanning tunnelling microscopy experiments provide evidence for the latter.
Two distinct types of atomic insulator can be distinguished by the distribution of charges within the unit cell. Now, real-space imaging of WSe2 shows that it is a so-called obstructed insulator.
It is known that placing asymmetric objects in a bacterial bath results in the net rotation of those objects. Now it is shown that the torque dipole of confined E.coli can rotate symmetric objects hydrodynamically.
Defects in quantum materials can reveal hidden electronic behaviour. Now a hidden chiral current state intertwined with a charge density wave has been observed in a kagome superconductor doped with magnetic impurities.
Operating devices close to a phase transition can improve performance due to the singular behaviour at critical points. An enhancement in sensitivity has now been achieved using the bistable transition point in a hybrid quantum system.
Simulating the Bose–Hubbard model with physical systems is an important fundamental task. Now it is shown that dipolar excitons emulate a version of this model in which bosons can hop beyond their nearest neighbours.
The mechanism of strange metallicity remains difficult to understand. Now it is shown that in a strongly correlated d-orbital kagome metal, compact orbitals created by destructive interference can produce the unusual electronic behaviour.
The linear dispersion and massless behaviour of excitons have been predicted for two-dimensional materials but have not been experimentally demonstrated. Now this behaviour is observed using momentum-resolved electron energy-loss spectroscopy.
Random access memory has multiple data registers and uses addresses to specify which register should be read or modified. Now a quantum random access memory has been demonstrated that uses quantum addresses to return data in superposition.
Nematicity, superconductivity and strange metallicity have been observed in correlated systems, but how their interplay relates to the pairing mechanism is unclear. Now this is revealed in twisted trilayer graphene using angle-resolved transport.
Quantum information theory typically considers the asymptotic limit of having access to many copies of quantum states, which can be challenging to analyse. Now an asymptotic measure of entanglement that only needs a single copy of a quantum state has been found
The physics of resonant electro-optic microcomb generation is underexplored, limiting their potential applications. Now several technological advances are realized by studying the state space of a thin-film lithium niobate photonic frequency comb.
Disentangling intertwined orders in quantum materials is challenging. Now, photoemission spectroscopy experiments show that magnetic fields can be used to disentangle such orders in a kagome superconductor.
Measurement-based quantum computing implements quantum algorithms by performing sequences of measurements on special classes of entangled states, such as cluster states. This approach has now been demonstrated on a superconducting quantum processor.
