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| 研究生： |
黃正源 Huang, Cheng-Yuan |
|---|---|
| 論文名稱： |
具有一般邊界條件的Non-Hermitian SSH模型 Non-Hermitian SSH Model with General Boundary Condition |
| 指導教授： |
高賢忠
Kao, Hsien-Chung |
| 口試委員： |
謝長澤
Hsieh, Chang-Tse 游至仕 You, Jhih-Shih 高賢忠 Kao, Hsien-chung |
| 口試日期： | 2023/01/03 |
| 學位類別： |
碩士 Master |
| 系所名稱： |
物理學系 Department of Physics |
| 論文出版年： | 2023 |
| 畢業學年度： | 111 |
| 語文別： | 中文 |
| 論文頁數： | 48 |
| 英文關鍵詞： | SSH model, bulk edge correspondencce, non-Hermitian SSH model, exceptional points |
| DOI URL： | http://doi.org/10.6345/NTNU202300045 |
| 論文種類： | 學術論文 |
| 相關次數： | 點閱：92 下載：13 |
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本文主要研究滿足一般邊界條界的Non-Hermitian Su-Schrieffer-Heeger (nSSH)模型。我首先介紹Su-Schrieffer-Heeger (SSH)模型，透過bulk edge correspondence來預測該系統邊界態的數目。接著將這些想法推廣至non-Hermitian的系統，並且介紹更一般的邊界條件。我發現不同於SSH模型，此時系統存在skin effect及exceptional points。並且列出exceptional points出現的條件，討論其中有趣的性質。
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