✉news SciencePhysics first seen 1 d ago, last 22 h ago, peak #17
Study reports excitonic correlations in 1T-TiSe2
Original: Short-range excitonic correlations and enhanced excitonic susceptibility in 1T -TiSe
Researchers report evidence of short-range excitonic correlations and enhanced excitonic susceptibility in the compound 1T-TiSe2, according to a paper published in Nature. The findings speak to a long-standing debate over whether the material's charge density wave is driven by excitonic physics or by conventional electron-phonon coupling. Enhanced susceptibility at short length scales suggests excitonic effects play a significant role even without full long-range order.
Why now: A new Nature paper on the excitonic insulator debate in TiSe2 is drawing attention from condensed matter physicists.
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