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Pressure-induced diamond to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>-tin transition in bulk silicon: A quantum Monte Carlo study
The pressure-induced structural phase transition from diamond to $\ensuremath{\beta}$ tin in silicon is an excellent test for theoretical total-energy methods. The transition pressure provides a sensitive measure of small relative energy changes between the two phases (one a semiconductor and the other a semimetal). Experimentally, the transition pressure is well …