Fine structure of zero-mode Landau levels in HgTe/Hg<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Cd<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Te quantum wells

HgTe/Hg${}_{x}$Cd${}_{1\ensuremath{-}x}$Te quantum wells with the inverted band structure have been probed using far-infrared magnetospectroscopy. Realistic ...