{
  "id": "0811.3996",
  "version": "v1",
  "published": "2008-11-24T23:43:05.000Z",
  "updated": "2008-11-24T23:43:05.000Z",
  "title": "Stochastic pumping of heat: Approaching the Carnot efficiency",
  "authors": [
    "Dvira Segal"
  ],
  "journal": "PRL 101, 260601 (2008)",
  "doi": "10.1103/PhysRevLett.101.260601",
  "categories": [
    "cond-mat.stat-mech",
    "cond-mat.other"
  ],
  "abstract": "Random noise can generate a unidirectional heat current across asymmetric nano objects in the absence (or against) a temperature gradient. We present a minimal model for a molecular-level stochastic heat pump that may operate arbitrarily close to the Carnot efficiency. The model consists a fluctuating molecular unit coupled to two solids characterized by distinct phonon spectral properties. Heat pumping persists for a broad range of system and bath parameters. Furthermore, by filtering the reservoirs' phonons the pump efficiency can approach the Carnot limit.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2008-11-24T23:43:05.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "05.40.-a",
      "05.70.Ln",
      "44.10.+i",
      "63.22.-m"
    ],
    "keywords": [
      "carnot efficiency",
      "stochastic pumping",
      "distinct phonon spectral properties",
      "molecular-level stochastic heat pump",
      "asymmetric nano objects"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review Letters",
      "year": 2008,
      "month": "Dec",
      "volume": 101,
      "number": 26,
      "pages": 260601
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2008PhRvL.101z0601S"
    }
  }
}