Nature Physics, Published online: 22 October 2025; doi:10.1038/s41567-025-03046-w
Entanglement is a powerful resource for quantum technologies but real-world computation limits can drastically change what is achievable. Now research reveals that computational constraints reshape our understanding of entanglement manipulation.
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- Practical limits on entanglement manipulation
- Entanglement theory with limited computational resourcesNature Physics, Published online: 22 October 2025; doi:10.1038/s41567-025-03048-8 Previous work on the limits of quantum information processing has often assumed access to unlimited computational resources. Imposing a requirement for computational efficiency on entanglement theory substantially changes what is possible.
- Individual solid-state nuclear spin qubits with coherence exceeding secondsNature Physics, Published online: 22 October 2025; doi:10.1038/s41567-025-03049-7 Nuclear spins in solid-state systems can have very long coherence times, which makes them attractive for use as qubits. Now a nuclear spin qubit device has been developed with all-microwave two-qubit control that has important performance benefits.
- Magnetic Hofstadter cascade in a twisted semiconductor homobilayerNature Physics, Published online: 21 October 2025; doi:10.1038/s41567-025-03083-5 Exploring the spin-resolved Hofstadter spectrum in the presence of interactions is challenging. Now, a series of magnetic phase transitions are observed as individual Hofstadter bands are filled, allowing the exchange interactions to be mapped out.
- Reply to: Inadequacy of the Casimir force for explaining a strong attractive force in a micrometre-sized narrow-gap re-entrant cavityNature Physics, Published online: 21 October 2025; doi:10.1038/s41567-025-03063-9 Reply to: Inadequacy of the Casimir force for explaining a strong attractive force in a micrometre-sized narrow-gap re-entrant cavity
- Inadequacy of the Casimir force for explaining a strong attractive force in a micrometre-sized narrow-gap re-entrant cavityNature Physics, Published online: 21 October 2025; doi:10.1038/s41567-025-03062-w Inadequacy of the Casimir force for explaining a strong attractive force in a micrometre-sized narrow-gap re-entrant cavity
- Cavity electrodynamics of van der Waals heterostructuresNature Physics, Published online: 20 October 2025; doi:10.1038/s41567-025-03064-8 Integrating an electronic device with a cavity can cause the electrons to couple to photons strongly enough to form hybrid modes. Now, the cavity effects induced by intrinsic graphite gates are shown to modify the low-energy properties of graphene.
- Demonstration of dynamic surface codesNature Physics, Published online: 17 October 2025; doi:10.1038/s41567-025-03070-w Typical quantum error correcting codes assign fixed roles to the underlying physical qubits. Now the performance benefits of alternative, dynamic error correction schemes have been demonstrated on a superconducting quantum processor.
