July 1, 1999 Journal article Open Access

Perlmutter, Saul; Turner, Michael S.; White, Martin

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{
  "DOI": "10.1103/physrevlett.83.670", 
  "author": [
    {
      "family": "Perlmutter, Saul"
    }, 
    {
      "family": "Turner, Michael S."
    }, 
    {
      "family": "White, Martin"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        1999, 
        7, 
        1
      ]
    ]
  }, 
  "abstract": "Measurements of the distances to type Ia supernovae have produced strong evidence that the expansion of the Universe is accelerating, implying the existence of a nearly uniform component of dark energy with negative pressure. We show that constraints to this mysterious component based upon large-scale structure nicely complement the SN Ia data, and that together they require ${$\u03a9${}}_{X}\\phantom{\\rule{0ex}{0ex}}=\\phantom{\\rule{0ex}{0ex}}{$\u03c1${}}_{X}/{$\u03c1${}}_{\\mathrm{crit}}$\ud835\udfc4${}(0.6,0.7)$ and ${w\\phantom{\\rule{0ex}{0ex}}=\\phantom{\\rule{0ex}{0ex}}p}_{X}/{$\u03c1${}}_{X}<$-${}0.6$ ( $95%$ C.L.), for the favored flat Universe. Other cosmological data support this conclusion. The simplest explanation, a cosmological constant, is consistent with this, while some of the other possibilities are not.", 
  "title": "Constraining Dark Energy with Type Ia Supernovae and Large-Scale Structure", 
  "type": "article-journal", 
  "id": "1233929"
}