{
  "id": "2004.14412",
  "version": "v1",
  "published": "2020-04-29T18:11:56.000Z",
  "updated": "2020-04-29T18:11:56.000Z",
  "title": "Probing mirror anomaly and classes of Dirac semimetals with circular dichroism",
  "authors": [
    "Abhirup Roy Karmakar",
    "S. Nandy",
    "G. P. Das",
    "Kush Saha"
  ],
  "comment": "8 pages, 5 figures",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We theoretically investigate the optical activity of three dimensional Dirac semimetals (DSMs) using circular dichroism (CD). We show that DSMs in the presence of a magnetic field in any one of the mirror-symmetric planes of the materials exhibit a notable dichroic behavior. In particular, for different orientations of the light field with respect to the mirror-symmetric plane, the CD in type-II DSMs can detect the presence of mirror anomaly by showing sharply distinct patterns at the mirror-symmetric angle. Interestingly, CD can also distinguish type-II DSMs having only one Dirac point at a time-reversal invariant momentum from type-I DSMs with a pair of Dirac points on the rotation axis of the crystals.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2020-04-29T18:11:56.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "circular dichroism",
      "probing mirror anomaly",
      "type-ii dsms",
      "mirror-symmetric plane",
      "dirac point"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}