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Title: Static charge-density-wave order in the superconducting state of La 2 - x Ba x CuO 4

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 La 2–xBa xCuO 4, 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. As a result, we discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3] ;  [3]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Report Number(s):
BNL-113993-2017-JA
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702758
Grant/Contract Number:
AC02-76SF00515; SC0012704; SC00112704
Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 24; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
OSTI Identifier:
1369336
Alternate Identifier(s):
OSTI ID: 1365436; OSTI ID: 1372441

Thampy, V., Chen, X. M., Cao, Y., Mazzoli, C., Barbour, A. M., Hu, W., Miao, H., Fabbris, G., Zhong, R. D., Gu, G. D., Tranquada, J. M., Robinson, I. K., Wilkins, S. B., and Dean, M. P. M.. Static charge-density-wave order in the superconducting state of La2-xBaxCuO4. United States: N. p., Web. doi:10.1103/PhysRevB.95.241111.
Thampy, V., Chen, X. M., Cao, Y., Mazzoli, C., Barbour, A. M., Hu, W., Miao, H., Fabbris, G., Zhong, R. D., Gu, G. D., Tranquada, J. M., Robinson, I. K., Wilkins, S. B., & Dean, M. P. M.. Static charge-density-wave order in the superconducting state of La2-xBaxCuO4. United States. doi:10.1103/PhysRevB.95.241111.
Thampy, V., Chen, X. M., Cao, Y., Mazzoli, C., Barbour, A. M., Hu, W., Miao, H., Fabbris, G., Zhong, R. D., Gu, G. D., Tranquada, J. M., Robinson, I. K., Wilkins, S. B., and Dean, M. P. M.. 2017. "Static charge-density-wave order in the superconducting state of La2-xBaxCuO4". United States. doi:10.1103/PhysRevB.95.241111. https://www.osti.gov/servlets/purl/1369336.
@article{osti_1369336,
title = {Static charge-density-wave order in the superconducting state of La2-xBaxCuO4},
author = {Thampy, V. and Chen, X. M. and Cao, Y. and Mazzoli, C. and Barbour, A. M. and Hu, W. and Miao, H. and Fabbris, G. 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.},
abstractNote = {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. As a result, we discuss the implications of our observations for how nominally competing order parameters can coexist in the cuprates.},
doi = {10.1103/PhysRevB.95.241111},
journal = {Physical Review B},
number = 24,
volume = 95,
place = {United States},
year = {2017},
month = {6}
}