@article{ISI:000462874800017,
 abstract = {Charge order is now accepted as an integral constituent of cuprate
high-temperature superconductors, one that is intimately related to
other electronic instabilities including antiferromagnetism and
superconductivity(1-11). Unlike conventional Peierls density waves, the
charge correlations in cuprates have been predicted to display a rich
momentum space topology depending on the underlying fermiology(12-18).
However, charge order has only been observed along the high-symmetry
Cu-O bond directions. Here, using resonant soft X-ray scattering, we
investigate the evolution of the full momentum space topology of charge
correlations in T'-(Nd,Pr)(2)CuO4 as a function of electron doping. We
report that, when the parent Mott insulator is doped, charge
correlations first emerge with full rotational symmetry in momentum
space, indicating glassy charge density modulation in real space
possibly seeded by local defects. At higher doping levels, the
orientation of charge correlations is locked to the Cu-O bond
directions, restoring a more conventional long-ranged bidirectional
charge order. Through charge susceptibility calculations, we reproduce
the evolution in topology of charge correlations across the
antiferromagnetic phase boundary and propose a revised phase diagram of
T'-Ln(2)CuO(4) with a superconducting region extending toward the Mott
limit.},
 author = {Kang, Mingu and Pelliciari, Jonathan and Frano, Alex and Breznay,
Nicholas and Schierle, Enrico and Weschke, Eugen and Sutarto, Ronny and
He, Feizhou and Shafer, Padraic and Arenholz, Elke and Chen, Mo and
Zhang, Keto and Ruiz, Alejandro and Hao, Zeyu and Lewin, Sylvia and
Analytis, James and Krockenberger, Yoshiharu and Yamamoto, Hideki and
Das, Tanmoy and Comin, Riccardo},
 doi = {10.1038/s41567-018-0401-8},
 eissn = {1745-2481},
 issn = {1745-2473},
 journal = {NATURE PHYSICS},
 month = {APR},
 number = {4},
 orcid-numbers = {Kang, Min Gu/0000-0001-6991-0481
He, Feizhou/0000-0002-3125-1406
Comin, Riccardo/0000-0002-1069-9973
Zhang, Keto/0000-0002-9955-8797},
 pages = {335+},
 researcherid-numbers = {He, Feizhou/G-8493-2015
Comin, Riccardo/H-7731-2016
},
 times-cited = {4},
 title = {Evolution of charge order topology across a magnetic phase transition in
cuprate superconductors},
 unique-id = {ISI:000462874800017},
 volume = {15},
 year = {2019}
}