{ "items" : [
    { "id" : "http://dbpedia.org/resource/Order_and_disorder_(physics)"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In physics, the terms order and disorder designate the presence or absence of some symmetry or correlation in a many-particle system.In condensed matter physics, systems typically are ordered at low temperatures; upon heating, they undergo one or several phase transitions into less ordered states.Examples for such an order-disorder transition are: the melting of ice: solid-liquid transition, loss of crystalline order; the demagnetization of iron by heating above the Curie temperature: ferromagnetic-paramagnetic transition, loss of magnetic order.The degree of freedom that is ordered or disordered can be translational (crystalline ordering), rotational (ferroelectric ordering), or a spin state (magnetic ordering).The order can consist either in a full crystalline space group symmetry, or in a correlation. "] } } }
