{
 "slug": "xx-minus-yy",
 "title": "XX−YY Interaction",
 "symbol": "R_{xx-yy}",
 "aliases": [
  "xx-minus-yy"
 ],
 "notations": [
  "R_{xx-yy}(\\theta)",
  "\\mathrm{XX{-}YY}(\\theta)"
 ],
 "description": "Rotation generated by the $XX - YY$ interaction, acting only on the even-parity subspace.",
 "arity": 2,
 "dimension": 2,
 "params": {
  "theta": {
   "label": "\\theta",
   "default": "1",
   "range": [
    0,
    4
   ]
  }
 },
 "matrix": [
  [
   "cos(theta/2)",
   0,
   0,
   "-i sin(theta/2)"
  ],
  [
   0,
   1,
   0,
   0
  ],
  [
   0,
   0,
   1,
   0
  ],
  [
   "-i sin(theta/2)",
   0,
   0,
   "cos(theta/2)"
  ]
 ],
 "groups": [
  "matchgate"
 ],
 "properties": [],
 "url": "/gates/xx-minus-yy/"
}