臺灣博碩士論文加值系統

我們考慮一個在絕對零溫下的雙費米子混合系統,
藉由Feshbach resonance調控費米子之間的等效交互作用力,
研究在BEC-BCS crossover的耦合強度範圍內,
不同的費米子質量比值與粒子數分佈對此系統之化學位能與gap function的影響,
並探討此系統形成超流體時其穩定性之條件,
且更進一步得出雙費米子混合系統超流體穩定態之相圖。

1 前言 6
2 雙費米子混合系統 8
2.1 簡介...............................8
2.2 絕對零溫下BCS平均場近似法.........11
2.3 BCS和BEC之極限....................14
3 結果與討論 17
3.1 雙費米子混合系統中μ、h及Δ之變化...17
3.2 超流體質量密度....................29
3.3 超流體之穩定性....................31
4 結論 40
參考文獻 41

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