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Condensed-matter physics is the study of substances in their solid state. This includes the investigation of both crystalline solids in which the atoms are positioned on a repeating three-dimensional lattice, such as diamond, and amorphous materials in which atomic position is more irregular, like in glass.
In a heavy-fermion material, hybridization of conduction electrons and electrons in partially filled core-levels enhances the mass of charge carriers. Now, experiments using a two-dimensional heavy-fermion material show that the hybridization can be extremely anisotropic, with the result that the effective mass of charge carriers is direction-dependent.
A careful investigation of superconductivity in twisted trilayer graphene reveals a two-dome structure, which may be connected to intricate patterns of symmetry breaking in the underlying metallic state.
Researchers have long sought a realization of a spin liquid in which quantum dynamics destroys classical magnetic order. Neutron-scattering experiments on zinc-barlowite have revealed universal behaviour that strengthens the case for a spin liquid.
This Review describes the concepts behind generalized quantum Hall effects that can take place without a magnetic field, and summarizes recent experimental manifestations of these phenomena in twisted two-dimensional materials and few-layer graphene.
The study finds coherent spin waves, generated by ultrafast laser pulses, drive antiferromagnetic domain walls (DWs) in Sr2Cu3O4Cl2 at a record ~50 km/s. DW propagation direction is controllable via laser helicity and DW winding number, explained by in-plane magnon mode-induced dynamics unique to easy-plane anisotropy magnets.
The common description of strong-field light–matter interaction neglects the quantum-optical nature of the driving field. Now signatures of strong-field photoemission appear in electron energy spectra when driving with non-classical light.
The hybrid behavior of strongly interacting light and matter in cavities can be engineered by tailoring the cavity parameters, but simulating such systems is hard due to the complexity of the matter and quantum light. In this work, the authors derive an effective ab-initio theory reducing the light description to a single degree of freedom while ensuring finite light-matter coupling even in macroscopic systems.
The authors demonstrate that Ti diffusion and segregation at the Al2O3 grain boundary induces a structural transformation of that boundary, which in turn enhances both its diffusivity and segregation capacity, revealing intricate segregation-phase-diffusion interactions within the grain boundary.
In a heavy-fermion material, hybridization of conduction electrons and electrons in partially filled core-levels enhances the mass of charge carriers. Now, experiments using a two-dimensional heavy-fermion material show that the hybridization can be extremely anisotropic, with the result that the effective mass of charge carriers is direction-dependent.
A careful investigation of superconductivity in twisted trilayer graphene reveals a two-dome structure, which may be connected to intricate patterns of symmetry breaking in the underlying metallic state.
Researchers have long sought a realization of a spin liquid in which quantum dynamics destroys classical magnetic order. Neutron-scattering experiments on zinc-barlowite have revealed universal behaviour that strengthens the case for a spin liquid.
Women in High Pressure, a community tackling gender imbalance in high-pressure research, is driving inclusion, visibility and systemic change — so every scientist can thrive, even under pressure.
An article in Nature Nanotechnology reports a molecular crystal memristor that exhibits ultralow switching energy and high endurance for neuromorphic computing.
