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1、上海大學(xué)碩士學(xué)位論文NUTKerrNewman黑洞熵的拓?fù)淦鹪醇捌渫負(fù)湎嘧兝碚撔彰涸谰叭A申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：凝聚態(tài)物理指導(dǎo)教師：楊國宏20080501I：海人學(xué)碩l：學(xué)位論文ABSTI認(rèn)CTFromtheGaussBonnetCherntheorem，theEulercharacteristicofNUTKerrNewmanblackholeiScalculatedtobesomediscretenumbersfrom0to2We

2、findthattheBekensteinHawkingentropyisthelargestentropyintopologybytakingaccountoftherelationshipbetweentheentropyandtheEulercharacteristicTheNUTKerrNewmanblackholeevolvesfromthetorusliketopologicalstructuretothespherical

3、structurewiththechangesofmass，angularmomentum，electricandNUTchargesInthisprocess，theEulercharacteristicandtheentropyarechangeddiscontinuouslywhichgivethetopologicalaspectofthefirstorderphasetransitionofNUTKerrNewmanblack

4、holeThecorrespondinglatentheatofthetopologicalphasetransitionisalsoobtainedTheestimatedlatentheatoftheblackholeevolvedfromthestarjustlieintherangeoftheenergyofgammarayburstsKeywords：Eulercharacteristic，entropyNUTKerrNewm