{
  "id": "1506.05879",
  "version": "v1",
  "published": "2015-06-19T05:31:33.000Z",
  "updated": "2015-06-19T05:31:33.000Z",
  "title": "Coherent manipulation of a Majorana qubit by a mechanical resonator",
  "authors": [
    "P. Zhang",
    "Franco Nori"
  ],
  "comment": "6 pages, 4 figures",
  "categories": [
    "cond-mat.mes-hall",
    "quant-ph"
  ],
  "abstract": "We propose a hybrid system composed of a Majorana qubit and a mechanical resonator, implemented by a semiconductor nanowire in proximity to an s-wave superconductor. In this proposal, three ferromagnetic gates are placed on top of and along the nanowire; the two outer gates are static and the inner one is free to oscillate harmonically as a mechanical resonator. These ferromagnetic gates induce a local Zeeman splitting and give rise to four Majorana bound states, constituting a Majorana qubit in the nanowire. The dynamical hybridization of the Majorana bound states, arising from the motion of the oscillating gate, results in a coherent coupling between the Majorana qubit and the mechanical resonator. By tuning the electric voltage on the ferromagnetic gates to modulate the local Rashba spin-orbit coupling, it is possible to reach the resonance of the two quantum systems for relatively strong couplings.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-06-19T05:31:33.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "majorana qubit",
      "mechanical resonator",
      "coherent manipulation",
      "majorana bound states",
      "ferromagnetic gates induce"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}