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Helicity current generation by distorted Rashba coupling

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Takumi Funato, Mamoru Matsuo

Mesoscale and Nanoscale Physics · Submitted 11 May 2021

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim As a result, we find a mechanism of direct spin-current generation from lattice distortion not associated with a charge current or spin accumulation.

how it is stated · asserted 1.00 read the record →

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arXiv ID2105.04804 (version 1)
Pith IDSGZ3CPSP, Pith's permanent record of this paper and its review
CitationMamoru Matsuo, Takumi Funato. "Helicity current generation by distorted Rashba coupling." arXiv:2105.04804 (2021). https://pith.science/paper/SGZ3CPSP
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,795 input tokens.

What the abstract itself states, as probabilities: claims first 0.11 · states limitation 0.14 · human participants 0.01 · controlled comparison 0.04 · randomized assignment 0.01 · states quantitative result 0.04 · compares with prior results 0.77 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We theoretically study spin transport in two-or three-dimensional Rashba systems dynamically distorted by surface acoustic waves. The spin currents in the linear response to lattice distortion dynamics are calculated on the basis of a microscopic theory combined with local coordinate transformations. As a result, we find a mechanism of direct spin-current generation from lattice distortion not associated with a charge current or spin accumulation. Moreover, the in-plane helicity currents are generated by shear surface acoustic waves via the present mechanism. The generated helicity currents are not parallel to the vorticity of the lattice, and cannot be created with the conventional methods. Thus, our findings offer an alternative functionality of the conventional Rashba systems in the field of spintronics.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We theoretically study spin transport in two-or three-dimensional Rashba systems dynamically distorted by surface acoustic waves. contribution 0.98 0.89 0.04 asserted 0.82
s1 The spin currents in the linear response to lattice distortion dynamics are calculated on the basis of a microscopic theory combined with local coordinate transformations. method 1.00 0.90 0.04 asserted 0.99
s2 As a result, we find a mechanism of direct spin-current generation from lattice distortion not associated with a charge current or spin accumulation. result 1.00 0.95 0.73 asserted 1.00
s3 Moreover, the in-plane helicity currents are generated by shear surface acoustic waves via the present mechanism. result 1.00 0.91 0.20 asserted 1.00
s4 The generated helicity currents are not parallel to the vorticity of the lattice, and cannot be created with the conventional methods. result 0.88 0.89 0.21 asserted 1.00
s5 Thus, our findings offer an alternative functionality of the conventional Rashba systems in the field of spintronics. interpretation 1.00 0.59 0.42 asserted 0.91

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from proof or derivation 0.97.

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  • C citations
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We theoretically study spin transport in two-or three-dimensional Rashba systems dynamically distorted by surface acoustic waves. The spin currents in the linear response to lattice distortion dynamics are calculated on the basis of a microscopic theory combined with local coordinate transformations. As a result, we find a mechanism of direct spin-current generation from lattice distortion not associated with a charge current or spin accumulation. Moreover, the in-plane helicity currents are generated by shear surface acoustic waves via the present mechanism. The generated helicity currents are not parallel to the vorticity of the lattice, and cannot be created with the conventional methods. Thus, our findings offer an alternative functionality of the conventional Rashba systems in the field of spintronics.

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How the literature uses it

1 arXiv paper cite this in 4 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 2 sentences without a confident label

Uses its method or tool 1 paper
  • The effects of the lattice distortion are taken into account by performing a local coordinate transformation from the laboratory frame to the “material” frame, i.e. $r=r'-δr(r',t)$; the “material frame" is locally fixed to the moving lattice [ref] .

    Acoustic Rashba-Edelstein effect · Introduction · 0.87

Cites it as background 1 paper
  • Alternatively, mechanical spin-current generation via the SOI has been investigated both theoretically and experimentally [ref] .

    Acoustic Rashba-Edelstein effect · Introduction · 0.81

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