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Anomalously high quasiparticle thermal conductivity in the underdoped cuprate superconductor HgBaCuO
Jordan Baglo, Quentin Barthélemy, Étienne Lefrançois +4
The single-layer cuprate superconductor HgBaCuO (Hg1201) is an ideal candidate for investigating many properties of cuprates with minimal disorder and without the com…
Charge order in the Pr substituted YBaCuO from high-field Hall effect measurements
C. M. Duffy, M. Altangerel, S. Badoux +8
The mechanism of doping in the composite PrYBaCuO (Pr-YBCO) system is distinct from that of pure YBCO, offering a means to explore the requirements for…
Electronic mean free path of the cuprate superconductor BiSrCaCuO from thermal Hall conductivity
Emma Campillo, Manel Mezidi, Lu Chen +6
We use thermal transport to access the electronic mean free path of -wave quasiparticles in one of the most widely studied cuprate superconductors, BiSrCaCuO…
Thermal Hall conductivity in the strongest cuprate superconductor: Estimate of the mean free path in the trilayer cuprate HgBaCaCuO
Munkhtuguldur Altangerel, Quentin Barthélemy, Étienne Lefrançois +12
The thermal Hall conductivity of the trilayer cuprate HgBaCaCuO (Hg1223) - the superconductor with the highest critical temperature at ambient pressure -…
Giant thermal Hall conductivity from neutral excitations in the pseudogap phase of cuprates
Gaël Grissonnanche, Anaëlle Legros, Sven Badoux +12
The nature of the pseudogap phase of cuprates remains a major puzzle. Although there are indications that this phase breaks various symmetries, there is no consensus on its fundame…
Unusual interplay between superconductivity and field-induced charge order in YBa2Cu3Oy
J. Kacmarcik, I. Vinograd, B. Michon +12
We present a detailed study of the temperature (T) and magnetic field (H) dependence of the electronic density of states (DOS) at the Fermi level, as deduced from specific heat and…
Universal -linear resistivity and Planckian limit in overdoped cuprates
A. Legros, S. Benhabib, W. Tabis +13
The perfectly linear temperature dependence of the electrical resistivity observed as 0 in a variety of metals close to a quantum critical point is a major puzzle o…
Thermodynamic signatures of quantum criticality in cuprates
B. Michon, C. Girod, S. Badoux +14
The three central phenomena of cuprate superconductors are linked by a common doping , where the enigmatic pseudogap phase ends, around which the superconducting phase f…
Anisotropy of the Seebeck Coefficient in the Cuprate Superconductor YBaCuO: Fermi-Surface Reconstruction by Bidirectional Charge Order
O. Cyr-Choinière, S. Badoux, G. Grissonnanche +11
The Seebeck coefficient of the cuprate YBaCuO was measured in magnetic fields large enough to suppress superconductivity, at hole dopings and $p =…
Fermi-surface transformation across the pseudogap critical point of the cuprate superconductor LaNdSrCuO
C. Collignon, S. Badoux, S. A. A. Afshar +8
The electrical resistivity and Hall coefficient R of the tetragonal single-layer cuprate Nd-LSCO were measured in magnetic fields up to T, large enough to access…
Thermal Conductivity of the Iron-Based Superconductor FeSe : Nodeless Gap with Strong Two-Band Character
P. Bourgeois-Hope, S. Chi, D. A. Bonn +6
The thermal conductivity of the iron-based superconductor FeSe was measured at temperatures down to 50 mK in magnetic fields up to 17 T. In zero magnetic field, the electronic resi…
Critical Doping for the Onset of Fermi-Surface Reconstruction by Charge-Density-Wave Order in the Cuprate Superconductor LaSrCuO
S. Badoux, S. A. A. Afshar, B. Michon +11
The Seebeck coefficient of the cuprate superconductor LaSrCuO (LSCO) was measured in magnetic fields large enough to access the normal state at low temp…
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…
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…
Evidence for a small hole pocket in the Fermi surface of underdoped YBa2Cu3Oy
N. Doiron-Leyraud, S. Badoux, S. Rene de Cotret +13
The Fermi surface of a metal is the fundamental basis from which its properties can be understood. In underdoped cuprate superconductors, the Fermi surface undergoes a reconstructi…
Isotropic multi-gap superconductivity in BaFe1.9Pt0.1As2 from thermal transport and spectroscopic measurements
Steven Ziemak, K. Kirshenbaum, S. R. Saha +11
Thermal conductivity, point contact spectroscopy, angle-resolved photoemission and Raman spectroscopy measurements were performed on BaFe1.9Pt0.1As2 single crystals obtained from t…
Direct measurement of the upper critical field in a cuprate superconductor
G. Grissonnanche, O. Cyr-Choiniere, F. Laliberte +20
The upper critical field Hc2 is a fundamental measure of the pairing strength, yet there is no agreement on its magnitude and doping dependence in cuprate superconductors. We have…
Hall, Seebeck, and Nernst Coefficients of Underdoped HgBa2CuO4+d: Fermi-Surface Reconstruction in an Archetypal Cuprate Superconductor
N. Doiron-Leyraud, S. Lepault, O. Cyr-Choiniere +12
Charge density-wave order has been observed in cuprate superconductors whose crystal structure breaks the square symmetry of the CuO2 planes, such as orthorhombic YBa2Cu3Oy (YBCO),…
Decrease of upper critical field with underdoping in cuprate superconductors
J. Chang, N. Doiron-Leyraud, O. Cyr-Choinière +8
The transition temperature Tc of cuprate superconductors falls when the doping p is reduced below a certain optimal value. It is unclear whether this fall is due to strong phase fl…
Lifshitz critical point in the cuprate superconductor YBa2Cu3Oy from high-field Hall effect measurements
David LeBoeuf, Nicolas Doiron-Leyraud, B. Vignolle +14
The Hall coefficient R_H of the cuprate superconductor YBa2Cu3Oy was measured in magnetic fields up to 60 T for a hole concentration p from 0.078 to 0.152, in the underdoped regime…
Quantum oscillations in underdoped YBa_2Cu_3O_6.5
Cyril Jaudet, Julien Levallois, Alain Audouard +8
Shubnikov-de Haas and de Haas-van Alphen effects have been measured in the underdoped high temperature superconductor YBaCuO. Data are in agreement with the standa…
Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor
R. Daou, J. Chang, David LeBoeuf +8
The nature of the pseudogap phase is a central problem in the quest to understand high-Tc cuprate superconductors. A fundamental question is what symmetries are broken when that ph…