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Low-energy effective theory and anomalous Hall effect in monolayer $\mathrm{WTe}_2$
by S. Nandy, D. A. Pesin
This Submission thread is now published as
Submission summary
| Authors (as registered SciPost users): | Snehasish Nandy |
| Submission information | |
|---|---|
| Preprint Link: | https://arxiv.org/abs/2110.14586v3 (pdf) |
| Date accepted: | 2022-03-22 |
| Date submitted: | 2022-02-18 18:08 |
| Submitted by: | Nandy, Snehasish |
| Submitted to: | SciPost Physics |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approach: | Theoretical |
Abstract
We develop a symmetry-based low-energy theory for monolayer $\mathrm{WTe}_2$ in its 1T$^{\prime}$ phase, which includes eight bands (four orbitals, two spins). This model reduces to the conventional four-band spin-degenerate Dirac model near the Dirac points of the material. We show that measurements of the spin susceptibility, and of the magnitude and time dependence of the anomalous Hall conductivity induced by injected or equilibrium spin polarization can be used to determine the magnitude and form of the spin-orbit coupling Hamiltonian, as well as the dimensionless tilt of the Dirac bands.
Author comments upon resubmission
List of changes
Summary of changes in response to referee report 1
1) We have included two new references (Refs.~31 and 32) in the revised version of the manuscript. (First Paragraph of Section-IIIC, Page 8)
2) In response to referee comment 2, we have added a clarifying sentence, stating that addition of sub-leading SOC would break spin conservation, but they don't. (To the end of second paragraph, left column , page 4)
3)We have modified the sentence in the revised manuscript in response to referee comment 3. (first paragraph, left column , page 5)
4)We have added a note on the magnitude of anomalous Hall effect to the ``Conclusions" section of the revised manuscript.
Summary of changes in response to referee report 2
1) We have mentioned the mismatch value in response to referee comment 1. (first paragraph, left column, page 3)
2)In response to referee comment 2, we have added explicit citations (refs. 27 and 28) to the text to emphasize the point as well as also added a follow-up sentence to clarify the point in question. (To the end of first paragraph, left column , page 3)
3) We broke the sentence into two parts in response to referee comment 3. (second paragraph, left column , page 4)
4) We have added a clarifying sentence right after Eq.(25) on page 8 in response to referee comment 4.
Published as SciPost Phys. 12, 120 (2022)