Nature Physics, Published online: 15 August 2025; doi:10.1038/s41567-025-02990-x
The efficiency of a quantum computer depends on which basic operations it can implement. Now a scheme that can implement any two-qubit logic gate has been demonstrated on a superconducting architecture.
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- Efficient implementation of arbitrary two-qubit gates using unified control
- A mechanical quantum memory for microwave photonsNature Physics, Published online: 13 August 2025; doi:10.1038/s41567-025-02975-w Superconducting qubits, a leading platform for quantum information processing, suffer from decoherence. Interfacing them with nanomechanical oscillators allows quantum information to be stored in motional states with longer lifetimes.
- Quantized limit of conductivity in near-ideal grapheneNature Physics, Published online: 13 August 2025; doi:10.1038/s41567-025-02974-x Transport properties near the Dirac point in graphene are expected to be determined by quantum many-body interactions between relativistic electrons. Experiments now show that the flow of charge and heat in high-quality graphene close to charge neutrality can be described within a hydrodynamic framework, with universal intrinsic electrical conductivity that is quantized to a value close to the quantum of conductance.
- Universality in quantum critical flow of charge and heat in ultraclean grapheneNature Physics, Published online: 13 August 2025; doi:10.1038/s41567-025-02972-z Critical behaviour is expected in graphene when the carrier density is tuned to the Dirac point. Now, universality associated with the critical point is observed in electronic and thermal transport.
- How to twist anyonsNature Physics, Published online: 13 August 2025; doi:10.1038/s41567-025-03009-1 The properties of quantum Hall states can be probed in experiments inspired by optical interferometers. Now, a device design that overcomes major drawbacks of existing interferometers allows the extraction of the quasiparticle statistics.
- Liquid dipole latticeNature Physics, Published online: 12 August 2025; doi:10.1038/s41567-025-02992-9 Geometrically confined apolar nematic liquid crystals lose rotational symmetry and form a multifunctional polar lattice of fluid elastic dipoles with controllable orientation. The lattice is of interest from a fundamental science perspective as well as having potential applications.
- Fractional computingNature Physics, Published online: 11 August 2025; doi:10.1038/s41567-025-03012-6 We highlight how an abstract piece of condensed-matter physics — the fractional quantum Hall effect — may be ideally placed to implement quantum computers.
- Strongly interacting Hofstadter states in magic-angle twisted bilayer grapheneNature Physics, Published online: 11 August 2025; doi:10.1038/s41567-025-02997-4 Interacting electrons in Hofstadter bands can form symmetry-broken topological states. These are now revealed in magic-angle twisted bilayer graphene, and their properties are influenced by non-uniform quantum geometry.
