Dynamics of impurity in the environment of Dirac fermions

We study the dynamics of a nonmagnetic impurity interacting with the surface states of a 3D and 2D topological insulator (TI). Employing the linked cluster technique we develop a formalism for obtaining the Green's function of the mobile impurity interacting with the low-energy Dirac fermions....

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Veröffentlicht in:	Journal of physics. Condensed matter 2020-07, Vol.32 (41), p.415604
Hauptverfasser:	Sorout, Ajit Kumar, Sarkar, Surajit, Gangadharaiah, Suhas
Format:	Artikel
Sprache:	eng
Schlagworte:	Green's function mobile impurity mobility power-law topological insulator
Online-Zugang:	Volltext
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