Critical femtosecond relaxation dynamics of collective and single-particle excitations through the phase transitions in single crystals ofη−Mo4O11

Abstract

Critical femtosecond relaxation dynamics of collective and single-particle excitations through the phase transitions in single crystals of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>η</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>Mo</mml:mi><mml:mn>4</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>11</mml:mn></mml:msub></mml:mrow></mml:math>