Datta, Biswajit ; Agarwal, Hitesh ; Samanta, Abhisek ; Ratnakar, Amulya ; Watanabe, Kenji ; Taniguchi, Takashi ; Sensarma, Rajdeep ; Deshmukh, Mandar M. (2018) Landau Level Diagram and the Continuous Rotational Symmetry Breaking in Trilayer Graphene Physical Review Letters, 121 (5). ISSN 0031-9007
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Official URL: http://doi.org/10.1103/PhysRevLett.121.056801
Related URL: http://dx.doi.org/10.1103/PhysRevLett.121.056801
Abstract
The sequence of the zeroth Landau levels (LLs) between filling factors ν=−6 to 6 in ABA-stacked trilayer graphene (TLG) is unknown because it depends sensitively on the nonuniform charge distribution on the three layers ofABA-stacked TLG. Using the sensitivity of quantum Hall data on the electric field and magnetic field, in an ultracleanABA-stacked TLG sample, we quantitatively estimate the nonuniformity of the electric field and determine the sequence of the zeroth LLs. We also observe anticrossings between some LLs differing by 3 in LL index, which result from the breaking of the continuous rotational to C3 symmetry by the trigonal warping.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 117623 |
| Deposited On: | 28 Apr 2021 12:46 |
| Last Modified: | 28 Apr 2021 12:46 |
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