The total quantum statistical entropy of Reissner-Nordstrom black holes in Dirac field case is evaluated in this article. The space-time of the black holes is divided into three regions: region 1 (r ＞ ro), region 2 (...The total quantum statistical entropy of Reissner-Nordstrom black holes in Dirac field case is evaluated in this article. The space-time of the black holes is divided into three regions: region 1 (r ＞ ro), region 2 (ro ＞ r ＞ ri),and region 3 (ri ＞ r ＞ 0), where ro is the radius of the outer event horizon, and ri is the radius of the inner event horizon. The total quantum statistical entropy of Reissner-Nordstrom black holes is S = S1 + S2 + S3, where Si(i ＝ 1, 2, 3) is the entropy, contributed by regions 1, 2, 3. The detailed calculation shows that S2 is neglectfully sma//.S1 = wt(π2/45)kb(Ao/ε2β3), S3 = -wt(π2/45)kb(Ai/ε2β3), where Ao and Ai are, respectively, the areas of the outer and inner event horizons, wt ＝ 2s[1 - 2-(s+1)], s ＝ d/2, d is the space-time dimension, here d ＝ 4, s ＝ 2. As ri approaches ro in the extreme case the total quantum statistical entropy of Reissner-Nordstrom black holes approaches zero.展开更多
文摘The total quantum statistical entropy of Reissner-Nordstrom black holes in Dirac field case is evaluated in this article. The space-time of the black holes is divided into three regions: region 1 (r ＞ ro), region 2 (ro ＞ r ＞ ri),and region 3 (ri ＞ r ＞ 0), where ro is the radius of the outer event horizon, and ri is the radius of the inner event horizon. The total quantum statistical entropy of Reissner-Nordstrom black holes is S = S1 + S2 + S3, where Si(i ＝ 1, 2, 3) is the entropy, contributed by regions 1, 2, 3. The detailed calculation shows that S2 is neglectfully sma//.S1 = wt(π2/45)kb(Ao/ε2β3), S3 = -wt(π2/45)kb(Ai/ε2β3), where Ao and Ai are, respectively, the areas of the outer and inner event horizons, wt ＝ 2s[1 - 2-(s+1)], s ＝ d/2, d is the space-time dimension, here d ＝ 4, s ＝ 2. As ri approaches ro in the extreme case the total quantum statistical entropy of Reissner-Nordstrom black holes approaches zero.
