Disorder-Promoted Splitting in Quasiparticle Interference at Nesting Vectors

V. S. Stolyarov; V. A. Sheina; D. A. Khokhlov; S. Vlaic; S. Pons; H. Aubin; R. S. Akzyanov; A. S. Vasenko; T. V. Menshchikova; E. V. Chulkov; A. A. Golubov; T. Cren; D. Roditchev

doi:10.1021/acs.jpclett.1c00462

Disorder-Promoted Splitting in Quasiparticle Interference at Nesting Vectors

V. S. Stolyarov^*, V. A. Sheina, D. A. Khokhlov, S. Vlaic, S. Pons, H. Aubin, R. S. Akzyanov, A. S. Vasenko, T. V. Menshchikova, E. V. Chulkov, A. A. Golubov, T. Cren, D. Roditchev

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Inelastic interactions of quantum systems with the environment usually wash coherent effects out. In the case of Friedel oscillations, the presence of disorder leads to a fast decay of the oscillation amplitude. Here we show both experimentally and theoretically that in three-dimensional topological insulator Bi2Te3 there is a nesting-induced splitting of coherent scattering vectors which follows a peculiar evolution in energy. The effect becomes experimentally observable when the lifetime of quasiparticles shortens due to disorder. The amplitude of the splitting allows an evaluation of the lifetime of the electrons. A similar phenomenon should be observed in any system with a well-defined scattering vector regardless of its topological properties.

Original language	English
Pages (from-to)	3127-3134
Number of pages	8
Journal	Journal of physical chemistry letters
Volume	12
Issue number	12
DOIs	https://doi.org/10.1021/acs.jpclett.1c00462
Publication status	Published - 23 Mar 2021

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Stolyarov-2021-Disorder-promoted-splitting-in-quasFinal published version, 11.2 MBLicence: Taverne

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Stolyarov, V. S., Sheina, V. A., Khokhlov, D. A., Vlaic, S., Pons, S., Aubin, H., Akzyanov, R. S., Vasenko, A. S., Menshchikova, T. V., Chulkov, E. V., Golubov, A. A., Cren, T., & Roditchev, D. (2021). Disorder-Promoted Splitting in Quasiparticle Interference at Nesting Vectors. Journal of physical chemistry letters, 12(12), 3127-3134. https://doi.org/10.1021/acs.jpclett.1c00462

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title = "Disorder-Promoted Splitting in Quasiparticle Interference at Nesting Vectors",

abstract = "Inelastic interactions of quantum systems with the environment usually wash coherent effects out. In the case of Friedel oscillations, the presence of disorder leads to a fast decay of the oscillation amplitude. Here we show both experimentally and theoretically that in three-dimensional topological insulator Bi2Te3 there is a nesting-induced splitting of coherent scattering vectors which follows a peculiar evolution in energy. The effect becomes experimentally observable when the lifetime of quasiparticles shortens due to disorder. The amplitude of the splitting allows an evaluation of the lifetime of the electrons. A similar phenomenon should be observed in any system with a well-defined scattering vector regardless of its topological properties. ",

author = "Stolyarov, {V. S.} and Sheina, {V. A.} and Khokhlov, {D. A.} and S. Vlaic and S. Pons and H. Aubin and Akzyanov, {R. S.} and Vasenko, {A. S.} and Menshchikova, {T. V.} and Chulkov, {E. V.} and Golubov, {A. A.} and T. Cren and D. Roditchev",

note = "Funding Information: VSS: I dedicate this work to my mother Stolyarova Larissa, who devoted her whole life to me. 23/06/1947–07/12/2020. We thank Wei-Cheng Lee for fruitful discussions. This work was supported by French-Russian (ANR-RSF) Research Grant “CrysTop” (RSF N20-42-09033). D.R. acknowledges COST Action CA16218 - Nanoscale Coherent Hybrid Devices for Superconducting Quantum Technologies. A.A.G. acknowledges support from European Union H2020-WIDESPREAD-05-2017-Twinning project SPINTECH under grant agreement no. 810144. A.S.V. acknowledges support from the Academic Fund Program at the National Research University Higher School of Economics (HSE) from 2018 to 2019 (grant no. 18-01-0016) and Russian Academic Excellence Project 5-100. D.A.K. and R.S.A. were supported by the Russian Scientific Foundation under grant no. 20-72-00030 and the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”. T.V.M. acknowledges support from the Ministry of Education and Science of the Russian Federation (state task no. 0721-2020-0033). Publisher Copyright: {\textcopyright} ",

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doi = "10.1021/acs.jpclett.1c00462",

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AU - Stolyarov, V. S.

AU - Sheina, V. A.

AU - Khokhlov, D. A.

AU - Vlaic, S.

AU - Pons, S.

AU - Aubin, H.

AU - Akzyanov, R. S.

AU - Vasenko, A. S.

AU - Menshchikova, T. V.

AU - Chulkov, E. V.

AU - Golubov, A. A.

AU - Cren, T.

AU - Roditchev, D.

N1 - Funding Information: VSS: I dedicate this work to my mother Stolyarova Larissa, who devoted her whole life to me. 23/06/1947–07/12/2020. We thank Wei-Cheng Lee for fruitful discussions. This work was supported by French-Russian (ANR-RSF) Research Grant “CrysTop” (RSF N20-42-09033). D.R. acknowledges COST Action CA16218 - Nanoscale Coherent Hybrid Devices for Superconducting Quantum Technologies. A.A.G. acknowledges support from European Union H2020-WIDESPREAD-05-2017-Twinning project SPINTECH under grant agreement no. 810144. A.S.V. acknowledges support from the Academic Fund Program at the National Research University Higher School of Economics (HSE) from 2018 to 2019 (grant no. 18-01-0016) and Russian Academic Excellence Project 5-100. D.A.K. and R.S.A. were supported by the Russian Scientific Foundation under grant no. 20-72-00030 and the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”. T.V.M. acknowledges support from the Ministry of Education and Science of the Russian Federation (state task no. 0721-2020-0033). Publisher Copyright: ©

PY - 2021/3/23

Y1 - 2021/3/23

N2 - Inelastic interactions of quantum systems with the environment usually wash coherent effects out. In the case of Friedel oscillations, the presence of disorder leads to a fast decay of the oscillation amplitude. Here we show both experimentally and theoretically that in three-dimensional topological insulator Bi2Te3 there is a nesting-induced splitting of coherent scattering vectors which follows a peculiar evolution in energy. The effect becomes experimentally observable when the lifetime of quasiparticles shortens due to disorder. The amplitude of the splitting allows an evaluation of the lifetime of the electrons. A similar phenomenon should be observed in any system with a well-defined scattering vector regardless of its topological properties.

AB - Inelastic interactions of quantum systems with the environment usually wash coherent effects out. In the case of Friedel oscillations, the presence of disorder leads to a fast decay of the oscillation amplitude. Here we show both experimentally and theoretically that in three-dimensional topological insulator Bi2Te3 there is a nesting-induced splitting of coherent scattering vectors which follows a peculiar evolution in energy. The effect becomes experimentally observable when the lifetime of quasiparticles shortens due to disorder. The amplitude of the splitting allows an evaluation of the lifetime of the electrons. A similar phenomenon should be observed in any system with a well-defined scattering vector regardless of its topological properties.

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SP - 3127

EP - 3134

JO - Journal of physical chemistry letters

JF - Journal of physical chemistry letters

SN - 1948-7185

IS - 12

ER -

Disorder-Promoted Splitting in Quasiparticle Interference at Nesting Vectors

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