00837nam a22001817a 4500040003600000082001600036100002500052245005900077260003500136300003700171500014800208500004000356500004100396500004600437502006000483546001200543650010000555  cRiphah International University  a530.12bASA  aAsad Quazafi (20700)  aNegativity and quantum discord in davies environments   aIslamabadb(unpublished)c2019  axi, 44 p.b: ill.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Faculty of Basic Sciences and Humanities.  aIncludes bibliographical references  aThesis supervisor: Dr. Nasir Mehboob  aThesis co-supervisor: Dr. Salman Khan Sfi  aThesis (M.Phil.)--Riphah International University, 2019  aEnglish  aQuantum system vQuantum discord vDensity matrices vQuantum entropy vDensity vPhysicsvFBSH