Menene ainihin matsalar? Bisa ga tambayar da ta gabata, ka rubuta mahallin da ke ɗauke da amsar. Zai iya zama jumla 1 - 20. Abubuwan da ke ciki:
Yana da kuskuren kuskure na yau da kullun don danganta taurin kai da taurin abu mai ƙarfi ga ƙyamar irin waɗannan cajin a ƙarƙashin tasirin ƙarfin lantarki. Koyaya, waɗannan halaye a zahiri sun samo asali ne daga ƙa'idar keɓancewar Pauli. Tunda electrons sune fermions, ba za su iya ɗaukar yanayin ma'aunin ma'auni iri ɗaya da sauran electrons ba. Lokacin da electrons a cikin wani abu suna densely cushe tare, babu isa ƙananan makamashi quantum inji jihohi domin su duka, don haka wasu daga cikinsu dole ne a cikin mafi girma makamashi jihohi. Wannan yana nufin cewa yana daukan makamashi don shirya su tare. Duk da yake wannan tasirin yana nunawa a matsayin ƙarfin tsari, a zahiri kawai sakamakon kasancewar iyakantaccen saitin jihohin lantarki ne.