PhysicsPressure Reveals a Fragile Bright Magnetic ExcitonHydrostatic compression extinguishes NiPS3 photoluminescence by 1.5 GPa without magnetic, structural, or electronic reconstruction.quant-phcond-matphysicsAug 11, 20264 min2607.27695
PhysicsWafer-Scale Photonics Delivers Broadband Trapped-Ion AddressingA planar waveguide lens plus printed micromirror routes 405–880 nm light to 5 µm-spaced ions with -27.6 dB average crosstalk.quant-phphysicsJul 29, 20265 min2607.25062
PhysicsFoundry Quantum Dots Scale Spin-Photon InterfacesA III–V pilot-line process fabricates thousands of cavity-coupled quantum-dot devices while preserving single-photon purity and spin–photon entanglement.quant-phcond-matphysicsJul 28, 20265 min2606.27787
PhysicsOptical Clock Ratios Reach Redefinition-Level UncertaintyA shared cryogenic-cavity reference sent over 3.6 km phase-stabilized fiber cuts comparison instability 2–3× and reaches ≤3.2×10⁻¹⁸ uncertainties.quant-phphysicsJul 28, 20264 min2512.21428
PhysicsFault-Tolerant Dynamics Simulation Finds a Concrete Quantum CrossoverCoherent observable estimation and optimized rotation-state injection reduce sampling overhead, projecting 100-site Ising dynamics in hours instead of decades.quant-phhep-thcond-matJul 28, 20265 min2607.16116
PhysicsMetastable Helium Shrinks Motion Bottlenecks in Tweezer ArraysUsing the lightest trappable atom, the blueprint predicts ≥3× faster inter-tweezer hopping than lithium-6 plus trap-encoded motional qubits.quant-phcond-matphysicsJul 13, 20264 min2601.06763
PhysicsClassical Bifurcation Solver Closes Quantum Annealing GapSimulated bifurcation matches or beats D-Wave scaling on QAC QUBOs once runtime accounting and larger instances are included.quant-phphysicsJul 13, 20264 min2505.22514
PhysicsQuantum Memory Enables On-Demand Microwave-Optical TransductionA Rydberg ensemble stores microwave photons before optical retrieval, reaching 88–90% area-normalized storage efficiency with 2.3 MHz bandwidth.quant-phphysicsJul 13, 20265 min2509.18834
PhysicsFPGA Control Cuts Atom Rearrangement LatencyA PC-free PXIe feedback loop integrates counting, path planning, and waveform control, reaching 282 μs latency and 95.4% 10-atom assembly success.quant-phphysicsJul 12, 20265 min2607.08687
PhysicsPickSurface Code Breaks Error Correction Threshold on Superconducting ChipA 72-qubit processor achieves a logical error rate of 1.4×10⁻⁴ per correction round, a first for superconducting architectures.quant-phMar 18, 202412 min2403.11234
