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Change of carrier density at the pseudogap critical point of a cuprate superconductor
S. Badoux, W. Tabis, F. Laliberté +10
The pseudogap is a central puzzle of cuprate superconductors. Its connection to the Mott insulator at low doping remains ambiguous and its relation to the charge order that rec…
Magnetization of underdoped YBaCuO above the irreversibility field
Jing Fei Yu, B. J. Ramshaw, I. Kokanović +9
Torque magnetization measurements on YBaCuO (YBCO) at doping (), in DC fields () up to 33 T and temperatures down to 4.5 K, show that weak diamagne…
Two types of nematicity in the phase diagram of the cuprate superconductor YBaCuO
O. Cyr-Choinière, G. Grissonnanche, S. Badoux +6
Nematicity has emerged as a key feature of cuprate superconductors, but its link to other fundamental properties such as superconductivity, charge order and the pseudogap remains u…
Wiedemann-Franz law in the underdoped cuprate superconductor YBa2Cu3Oy
G. Grissonnanche, F. Laliberte, S. Dufour-Beausejour +16
The recent detection of charge-density modulations in YBa2Cu3Oy and other cuprate superconductors raises new questions about the normal state of underdoped cuprates. In one class o…
Sensitivity of to pressure and magnetic field in the cuprate superconductor YBaCuO: evidence of charge order suppression by pressure
O. Cyr-Choinière, D. LeBoeuf, S. Badoux +7
Cuprate superconductors have a universal tendency to form charge density-wave (CDW) order which competes with superconductivity and is strongest at a doping . Here w…