Static charge-density-wave order in the superconducting state of La2-xBaxCuO4

V. Thampy; X. M. Chen; Y. Cao; C. Mazzoli; A. M. Barbour; W. Hu; H. Miao; G. Fabbris; R. D. Zhong; G. D. Gu; J. M. Tranquada; I. K. Robinson; S. B. Wilkins; M. P.M. Dean

doi:10.1103/PhysRevB.95.241111

Static charge-density-wave order in the superconducting state of La2-xBaxCuO4

V. Thampy, X. M. Chen, Y. Cao, C. Mazzoli, A. M. Barbour, W. Hu, H. Miao, G. Fabbris, R. D. Zhong, G. D. Gu, J. M. Tranquada, I. K. Robinson, S. B. Wilkins, M. P.M. Dean

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16 Scopus citations

Abstract

Charge-density-wave (CDW) correlations feature prominently in the phase diagram of the cuprates, motivating competing theories of whether fluctuating CDW correlations aid superconductivity or whether static CDW order coexists with superconductivity in inhomogeneous or spatially modulated states. Here we report Cu L-edge resonant x-ray photon correlation spectroscopy measurements of CDW correlations in superconducting La2-xBaxCuO4, x=0.11. Static CDW order is shown to exist in the superconducting state at low temperatures and to persist up to at least 85% of the CDW transition temperature. We discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.

Original language	English
Article number	241111
Journal	Physical Review B
Volume	95
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.95.241111
State	Published - Jun 21 2017
Externally published	Yes

Funding

M.P.M.D., and J.M.T. were supported by the Center for Emergent Superconductivity, an Energy Frontier Research Center funded by the U.S. DOE, Office of Basic Energy Sciences. This research used resources at the 23-ID-1 beamline of the National Synchrotron Light Source II, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Brookhaven National Laboratory under Contract No. DE-SC0012704.

Funders	Funder number
U.S. Department of Energy
Office of Science
Basic Energy Sciences
Brookhaven National Laboratory	DE-SC0012704

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10.1103/PhysRevB.95.241111

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title = "Static charge-density-wave order in the superconducting state of La2-xBaxCuO4",

abstract = "Charge-density-wave (CDW) correlations feature prominently in the phase diagram of the cuprates, motivating competing theories of whether fluctuating CDW correlations aid superconductivity or whether static CDW order coexists with superconductivity in inhomogeneous or spatially modulated states. Here we report Cu L-edge resonant x-ray photon correlation spectroscopy measurements of CDW correlations in superconducting La2-xBaxCuO4, x=0.11. Static CDW order is shown to exist in the superconducting state at low temperatures and to persist up to at least 85% of the CDW transition temperature. We discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.",

author = "V. Thampy and Chen, {X. M.} and Y. Cao and C. Mazzoli and Barbour, {A. M.} and W. Hu and H. Miao and G. Fabbris and Zhong, {R. D.} and Gu, {G. D.} and Tranquada, {J. M.} and Robinson, {I. K.} and Wilkins, {S. B.} and Dean, {M. P.M.}",

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AU - Thampy, V.

AU - Chen, X. M.

AU - Cao, Y.

AU - Mazzoli, C.

AU - Barbour, A. M.

AU - Hu, W.

AU - Miao, H.

AU - Fabbris, G.

AU - Zhong, R. D.

AU - Gu, G. D.

AU - Tranquada, J. M.

AU - Robinson, I. K.

AU - Wilkins, S. B.

AU - Dean, M. P.M.

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N2 - Charge-density-wave (CDW) correlations feature prominently in the phase diagram of the cuprates, motivating competing theories of whether fluctuating CDW correlations aid superconductivity or whether static CDW order coexists with superconductivity in inhomogeneous or spatially modulated states. Here we report Cu L-edge resonant x-ray photon correlation spectroscopy measurements of CDW correlations in superconducting La2-xBaxCuO4, x=0.11. Static CDW order is shown to exist in the superconducting state at low temperatures and to persist up to at least 85% of the CDW transition temperature. We discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.

AB - Charge-density-wave (CDW) correlations feature prominently in the phase diagram of the cuprates, motivating competing theories of whether fluctuating CDW correlations aid superconductivity or whether static CDW order coexists with superconductivity in inhomogeneous or spatially modulated states. Here we report Cu L-edge resonant x-ray photon correlation spectroscopy measurements of CDW correlations in superconducting La2-xBaxCuO4, x=0.11. Static CDW order is shown to exist in the superconducting state at low temperatures and to persist up to at least 85% of the CDW transition temperature. We discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.

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Static charge-density-wave order in the superconducting state of La2-xBaxCuO4

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