Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order

doi:10.1073/pnas.1816121116

This content will become publicly available on February 11, 2020

Title: Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order

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Abstract

Fermi surface (FS) topology is a fundamental property of metals and superconductors. In electron-doped cuprate Nd _2-xCe _xCuO ₄(NCCO), an unexpected FS reconstruction has been studied in optimal- and overdoped regime ( x= 0.15-0.17) by quantum oscillation measurements (QOM). This is all the more puzzling because neutron scattering suggests that the antiferromagnetic (AFM) long-range order, which is believed to reconstruct the FS, vanishes beforex= 0.14. To reconcile the conflict, a widely discussed external magnetic-field–induced AFM long-range order in QOM explains the FS reconstruction as an extrinsic property. Here, we report angle-resolved photoemission (ARPES) evidence of FS reconstruction in optimal- and overdoped NCCO. The observed FSs are in quantitative agreement with QOM, suggesting an intrinsic FS reconstruction without field. This reconstructed FS, despite its importance as a basis to understand electron-doped cuprates, cannot be explained under the traditional scheme. Moreover, the energy gap of the reconstruction decreases rapidly near x = 0.17 like an order parameter, echoing the quantum critical doping in transport. The totality of the data points to a mysterious order betweenx= 0.14 and 0.17, whose appearance favors the FS reconstruction and disappearance defines the quantum critical doping. A recent topological proposal presents an ansatz for its origin.

Authors:

^[1]; Rotundu, Costel R. ^[1]; Scheurer, Mathias S. ^[2]; He, Yu ^[1]; Hashimoto, Makoto ^[3]; Xu, Ke-Jun ^[4]; Wang, Yao ^[5]; Huang, Edwin W. ^[1]; Jia, Tao ^[1]; Chen, Sudi ^[1];

^[1]; Lu, Donghui ^[3]; Lee, Young S. ^[1];

^[1]; Shen, Zhi-xun ^[1]

SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
Harvard Univ., Cambridge, MA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Stanford Univ., Stanford, CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States); Harvard Univ., Cambridge, MA (United States)

Publication Date:: 2019-02-11

Research Org.:: SLAC National Accelerator Lab. (SLAC), Menlo Park, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division

OSTI Identifier:: 1506229

Grant/Contract Number:: AC02-76SF00515; AC02-05CH11231

Resource Type:: Accepted Manuscript

Journal Name:: Proceedings of the National Academy of Sciences of the United States of America

Additional Journal Information:: Journal Volume: 116; Journal Issue: 9; Journal ID: ISSN 0027-8424

Publisher:: National Academy of Sciences, Washington, DC (United States)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; high-temperature superconductors; angle-resolved photoemission; quantum critical; point; topological order; strongly correlated electrons

Citation Formats


                    He, Junfeng, Rotundu, Costel R., Scheurer, Mathias S., He, Yu, Hashimoto, Makoto, Xu, Ke-Jun, Wang, Yao, Huang, Edwin W., Jia, Tao, Chen, Sudi, Moritz, Brian, Lu, Donghui, Lee, Young S., Devereaux, Thomas P., and Shen, Zhi-xun. Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order.  United States: N. p., 2019. 
        Web.  doi:10.1073/pnas.1816121116.

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                    He, Junfeng, Rotundu, Costel R., Scheurer, Mathias S., He, Yu, Hashimoto, Makoto, Xu, Ke-Jun, Wang, Yao, Huang, Edwin W., Jia, Tao, Chen, Sudi, Moritz, Brian, Lu, Donghui, Lee, Young S., Devereaux, Thomas P., & Shen, Zhi-xun. Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order.  United States.  doi:10.1073/pnas.1816121116.

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                    He, Junfeng, Rotundu, Costel R., Scheurer, Mathias S., He, Yu, Hashimoto, Makoto, Xu, Ke-Jun, Wang, Yao, Huang, Edwin W., Jia, Tao, Chen, Sudi, Moritz, Brian, Lu, Donghui, Lee, Young S., Devereaux, Thomas P., and Shen, Zhi-xun. Mon .  
        "Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order".  United States.  doi:10.1073/pnas.1816121116.

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@article{osti_1506229,

  title        = {Fermi surface reconstruction in electron-doped cuprates without antiferromagnetic long-range order},

  author       = {He, Junfeng and Rotundu, Costel R. and Scheurer, Mathias S. and He, Yu and Hashimoto, Makoto and Xu, Ke-Jun and Wang, Yao and Huang, Edwin W. and Jia, Tao and Chen, Sudi and Moritz, Brian and Lu, Donghui and Lee, Young S. and Devereaux, Thomas P. and Shen, Zhi-xun},

  abstractNote = {Fermi surface (FS) topology is a fundamental property of metals and superconductors. In electron-doped cuprate Nd2-xCexCuO4(NCCO), an unexpected FS reconstruction has been studied in optimal- and overdoped regime (x= 0.15-0.17) by quantum oscillation measurements (QOM). This is all the more puzzling because neutron scattering suggests that the antiferromagnetic (AFM) long-range order, which is believed to reconstruct the FS, vanishes beforex= 0.14. To reconcile the conflict, a widely discussed external magnetic-field–induced AFM long-range order in QOM explains the FS reconstruction as an extrinsic property. Here, we report angle-resolved photoemission (ARPES) evidence of FS reconstruction in optimal- and overdoped NCCO. The observed FSs are in quantitative agreement with QOM, suggesting an intrinsic FS reconstruction without field. This reconstructed FS, despite its importance as a basis to understand electron-doped cuprates, cannot be explained under the traditional scheme. Moreover, the energy gap of the reconstruction decreases rapidly near x = 0.17 like an order parameter, echoing the quantum critical doping in transport. The totality of the data points to a mysterious order betweenx= 0.14 and 0.17, whose appearance favors the FS reconstruction and disappearance defines the quantum critical doping. A recent topological proposal presents an ansatz for its origin.},

  doi          = {10.1073/pnas.1816121116},

  journal      = {Proceedings of the National Academy of Sciences of the United States of America},

  number       = 9,

  volume       = 116,

  place        = {United States},

  year         = {2019},

  month        = {2}

}

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