2018-06-012024-05-18https://scholars.lib.ntu.edu.tw/handle/123456789/700135摘要：近年來弦論學者對凝態物理產生興趣。（例如參考文獻[1]~[3]。)弦論學者使用之量子場論中的理論方法也可以用來描述拓墣相，後者是新穎材料研究中的重要問題。 [1] "A Duality Web in 2+1 Dimensions and Condensed Matter Physics", Seiberg, Senthil, Wang, Witten, Annals Phys. 374 (2016) 395. [2] "Gapped Boundary Phases of Topological Insulators via Weak Coupling", Seiberg, Witten, PTEP 2016 (2016) 12C101. [3] "Three Lectures on Topological Phases of Matter", Witten, Riv. Nuovo. Cim. 39 (2016) 313.<br> Abstract: Recently, string theorists have took interest on condensed matter physics. (See Refs. [1~3] for example.) The field theoretic techniques used by string theorists are also useful in describing topological phases, a topic of great importance in the study of novel materials. [1] "A Duality Web in 2+1 Dimensions and Condensed Matter Physics", Seiberg, Senthil, Wang, Witten, Annals Phys. 374 (2016) 395. [2] "Gapped Boundary Phases of Topological Insulators via Weak Coupling", Seiberg, Witten, PTEP 2016 (2016) 12C101. [3] "Three Lectures on Topological Phases of Matter", Witten, Riv. Nuovo. Cim. 39 (2016) 313.