Nature Physics, Published online: 25 July 2024; doi:10.1038/s41567-024-02536-7
Error mitigation has helped improve the performance of current quantum computing devices. Now, a mathematical analysis of the technique suggests its benefits may not extend to larger systems.
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- Exponentially tighter bounds on limitations of quantum error mitigation
- Collective motion of electrons captured at the atomic scaleNature Physics, Published online: 22 July 2024; doi:10.1038/s41567-024-02553-6 Many 2D or 1D materials feature fascinating collective behaviour of electrons that competes with highly localized interactions at atomic defects. By combining terahertz spectroscopy with scanning tunnelling microscopy, the ultrafast motion of these collective states can be captured with atomic spatial resolution, enabling the observation of electron dynamics at their intrinsic length and time scale.
- Transverse emittance reduction in muon beams by ionization coolingNature Physics, Published online: 17 July 2024; doi:10.1038/s41567-024-02547-4 Current muon beams have a phase-space volume that is too large for applications in muon colliders. Now, the reduction in the beam’s transverse emittance when passed through different absorbers in ionization cooling experiments is quantified.
- Water dropped in the deep endNature Physics, Published online: 16 July 2024; doi:10.1038/s41567-024-02596-9 Water dropped in the deep end
- Polar rainNature Physics, Published online: 16 July 2024; doi:10.1038/s41567-024-02595-w Polar rain
- Bosons reach a centuryNature Physics, Published online: 16 July 2024; doi:10.1038/s41567-024-02598-7 This year marks the hundredth anniversary of Satyendra Nath Bose’s paper that stimulated the study of quantum statistics. We take this opportunity to celebrate the physics of bosons.
- The kernel of thermodynamicsNature Physics, Published online: 16 July 2024; doi:10.1038/s41567-024-02580-3 The kernel of thermodynamics
- Cool as muonsNature Physics, Published online: 16 July 2024; doi:10.1038/s41567-024-02571-4 The volume of muon beams in position–momentum space is too large to be used in a collider. A clear reduction in this volume has now been demonstrated, which brings particle physics closer to a practical muon collider for exploring the energy frontier.
