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arxiv: 1308.0281 · v2 · pith:LP4AONSCnew · submitted 2013-08-01 · ❄️ cond-mat.quant-gas · cond-mat.str-el

Mass and chirality inversion of a Dirac cone pair in St\"{u}ckelberg interferometry

classification ❄️ cond-mat.quant-gas cond-mat.str-el
keywords conesbandchiralityckelbergdiraceigenstatesmassphase
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We show that a St\"{u}ckelberg interferometer made of two massive Dirac cones can reveal information on band eigenstates such as the chirality and mass sign of the cones. For a given spectrum with two gapped cones, we propose several low-energy Hamiltonians differing by their eigenstates properties. The corresponding inter-band transition probability is affected by such differences in its interference fringes being shifted by a new phase of geometrical origin. This phase can be a useful bulk probe for topological band structures realized with artificial crystals.

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