Condensed Matter

cond-mat

Electronic structure, phase transitions, superconductivity, and materials science.

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Pressure Reveals a Fragile Bright Magnetic Exciton

Hydrostatic compression extinguishes NiPS3 photoluminescence by 1.5 GPa without magnetic, structural, or electronic reconstruction.

quant-ph cond-mat physics

Aug 11, 20264 min2607.27695

Physics

Foundry Quantum Dots Scale Spin-Photon Interfaces

A III–V pilot-line process fabricates thousands of cavity-coupled quantum-dot devices while preserving single-photon purity and spin–photon entanglement.

quant-ph cond-mat physics

Jul 28, 20265 min2606.27787

Physics

DIII-D Screening Narrows Fusion Wall Material Choices

A DiMES campaign exposed 44 candidates to Ohmic, L-mode, and ELMy H-mode plasmas, separating durable tungsten architectures from heat-flux-sensitive ceramics and alloys.

cond-mat physics

Jul 28, 20266 min2607.23400

Physics

Fault-Tolerant Dynamics Simulation Finds a Concrete Quantum Crossover

Coherent observable estimation and optimized rotation-state injection reduce sampling overhead, projecting 100-site Ising dynamics in hours instead of decades.

quant-ph hep-th cond-mat

Jul 28, 20265 min2607.16116

Physics

Annealed PtSe2 Films Reach 60 GHz Telecom Photodetection

MBE growth on sapphire uses Raman peak widths as process metrics, producing conductive semimetallic films and 1.55 μm RF devices.

cond-mat physics

Jul 28, 20265 min2503.20659

Physics

Metastable Helium Shrinks Motion Bottlenecks in Tweezer Arrays

Using the lightest trappable atom, the blueprint predicts ≥3× faster inter-tweezer hopping than lithium-6 plus trap-encoded motional qubits.

quant-ph cond-mat physics

Jul 13, 20264 min2601.06763

Physics

GaN Polariton BIC Laser Forms Bright Solitons

A grating-coupled GaN waveguide creates a negative-mass polariton BIC whose blueshift, linewidth narrowing, and spatial compression track soliton formation above threshold.

cond-mat physics

Jul 13, 20265 min2512.23368

Physics

Uniform Loss Filters Valleys Through Velocity Contrast

A non-Hermitian acoustic crystal uses ordinary background dissipation to reach switchable valley polarization without tailored excitation or external fields.

cond-mat physics

Jul 13, 20264 min2510.19588