{
  "id": "1505.05871",
  "version": "v1",
  "published": "2015-05-21T01:37:59.000Z",
  "updated": "2015-05-21T01:37:59.000Z",
  "title": "Experimental Observation of Reversed Doppler Effects in Acoustic Metamaterials",
  "authors": [
    "Shilong Zhai",
    "Xiaopeng Zhao",
    "Song Liu",
    "Chunrong Luo"
  ],
  "comment": "19 pages, 4 figures",
  "categories": [
    "cond-mat.mes-hall",
    "cond-mat.mtrl-sci"
  ],
  "abstract": "This paper reports an experimental observation of broadband reversed Doppler effects using an acoustic metamaterial with seven flute-like double-meta-molecule clusters. Simulations and experiments verify that this locally resonant acoustic metamaterial with simultaneous negative elastic modulus and mass density can realize negative refraction in a broad frequency range. The constructed metamaterial exhibits broadband reversed Doppler effects. The frequency shift increases continuously as the frequency increases. The assembling of double-meta-molecule clusters introduces a new direction in designing double-negative acoustic metamaterials in an arbitrarily broad frequency range and other various applications.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-05-21T01:37:59.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "experimental observation",
      "broadband reversed doppler effects",
      "seven flute-like double-meta-molecule clusters",
      "locally resonant acoustic metamaterial",
      "frequency shift increases"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 19,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}