Nature Physics, Published online: 27 March 2025; doi:10.1038/s41567-025-02848-2
Bacterial second messengers carry signals from the environment to target proteins in the cell. Now the associated information transmission capacity is quantified and the optimal frequency to maximize it is determined.
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Updated: daily
- Quantifying second-messenger information transmission in bacteria
- Quantum statistics in the minimal Bell scenarioNature Physics, Published online: 26 March 2025; doi:10.1038/s41567-025-02782-3 A complete theoretical understanding of many simple problems in quantum physics is still lacking, especially when entanglement is involved. Now the full set of possible observations has been established for a minimal scenario of shared entanglement.
- The limits of quantum correlationsNature Physics, Published online: 26 March 2025; doi:10.1038/s41567-025-02836-6 Measurements on quantum particles produce random outcomes whose correlations can sometimes never be explained by classical physics. The complete set of possible quantum correlations for two particles under two measurements has now been identified.
- Simulating two-dimensional lattice gauge theories on a qudit quantum computerNature Physics, Published online: 25 March 2025; doi:10.1038/s41567-025-02797-w Qubit-based simulations of gauge theories are challenging as gauge fields require high-dimensional encoding. Now a quantum electrodynamics model has been demonstrated using trapped-ion qudits, which encode information in multiple states of ions.
- Active membrane deformations of a minimal synthetic cellNature Physics, Published online: 24 March 2025; doi:10.1038/s41567-025-02839-3 How cells actively change their shape is an open question. Now, a reconstituted minimal cytoskeleton composed of microtubules and molecular motors is shown to produce membrane fluctuations that drive active shape changes in synthetic cells.
- Light-induced cortical excitability reveals programmable shape dynamics in starfish oocytesNature Physics, Published online: 24 March 2025; doi:10.1038/s41567-025-02807-x Optogenetically induced chemo-mechanical excitations are used to drive and study shape deformations in starfish oocytes. Understanding and eventually controlling such waves is important for the development of synthetic cells.
- Deterministic remote entanglement using a chiral quantum interconnectNature Physics, Published online: 21 March 2025; doi:10.1038/s41567-025-02811-1 Large quantum computers are likely to require methods of connecting devices by transmitting and absorbing photons. Entanglement between two superconducting qubit devices has now been established using a waveguide with tunable directionality.
- High-resolution tunnelling spectroscopy of fractional quantum Hall statesNature Physics, Published online: 20 March 2025; doi:10.1038/s41567-025-02830-y Local probes of quantum Hall states are still in their infancy. Now scanning tunnelling measurements were used to extract the energy gap of candidate non-Abelian fractional states, which are found to be encouragingly large for applications.
