Quantum simulations suggest that a material called titanium diselenide could make future detectors up to 1,000 times more sensitive to certain forms of light dark matter than current benchmark materials. The finding could help researchers search for particles whose interactions with ordinary matter are too faint for conventional detectors to register.
In a study published in Physical Review Letters, an international research team identified three promising materials: titanium diselenide (TiSe₂), strontium ruthenate (Sr₂RuO₄), and hole-doped diamond. Each has unusual electronic properties that could make it particularly effective at detecting the tiny energy transfers expected from lightweight dark matter particles.
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