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20012026
most citedBroken rotational symmetry in the pseudogap phase of a high-Tc superconductor

567 citations · 3.5k across the 39 of their papers we have counts for

collaborators

37 papers

cond-mat.supr-con2026

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…

cond-mat.supr-con2025

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…

cond-mat.supr-con2025

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…

cond-mat.supr-con2025★ 1 cited

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 -…

cond-mat.str-el2025

Comment on Unusual violation of the Wiedemann-Franz law at ultralow temperatures in topological compensated semimetals

Kamran Behnia, Shiyan Li, Johnpierre Paglione +1

Recently, Wang et al. [1] reported on an unusual violation of Wiedemann-Franz law in three semimetals. We compare their observations to our observations in a variety of systems, wh…

cond-mat.str-el2023★ 9 cited

Planar thermal Hall effect from phonons in cuprates

Lu Chen, Léna Le Roux, Gaël Grissonnanche +11

A surprising "planar" thermal Hall effect, whereby the field is parallel to the current, has recently been observed in a few magnetic insulators, and this has been attributed to ex…

cond-mat.str-el2023★ 25 cited

Planar thermal Hall effect from phonons in a Kitaev candidate material

Lu Chen, Étienne Lefrançois, Ashvini Vallipuram +5

Kitaev materials are a promising platform for the realization of quantum spin liquid states. The thermal Hall effect has emerged as a potential probe of exotic excitations within s…

cond-mat.str-el2023★ 2 cited

Planar parallel phonon Hall effect and local symmetry breaking

Quentin Barthélemy, Étienne Lefrançois, Lu Chen +5

Y-kapellasite [Y3Cu9(OH)19Cl8] is a frustrated antiferromagnetic insulator which remains paramagnetic down to a remarkably low Néel temperature of about 2 K. Having studied this ma…

cond-mat.str-el2023★ 1 cited

Thermal Hall conductivity of electron-doped cuprates: Electrons and phonons

Marie-Eve Boulanger, Lu Chen, Vincent Oliviero +7

It has recently become clear that phonons generate a sizable thermal Hall effect in cuprates, whether they are undoped, electron-doped or hole-doped (inside the pseudogap phase). A…

cond-mat.mtrl-sci2023★ 7 cited

Role of magnetic ions in the thermal Hall effect of the paramagnetic insulator TmVO

Ashvini Vallipuram, Lu Chen, Emma Campillo +9

In a growing number of materials, phonons have been found to generate a thermal Hall effect, but the underlying mechanism remains unclear. Inspired by previous studies that reveale…

cond-mat.str-el2021★ 41 cited

Seebeck coefficient in a cuprate superconductor: particle-hole asymmetry in the strange metal phase and Fermi surface transformation in the pseudogap phase

A. Gourgout, G. Grissonnanche, F. Laliberté +8

We report measurements of the Seebeck effect in both the plane () and along the axis () of the cuprate superconductor LaNdSrC…

cond-mat.supr-con2019★ 168 cited

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…

cond-mat.supr-con2018★ 47 cited

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…

cond-mat.supr-con2018★ 299 cited

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…

cond-mat.supr-con2018★ 194 cited

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…

cond-mat.str-el2017★ 28 cited

Field-dependent heat transport in the Kondo insulator SmB6 : phonons scattered by magnetic impurities

M-E. Boulanger, F. Laliberté, M. Dion +12

The thermal conductivity of the Kondo insulator SmB was measured at low temperature, down to 70 mK, in magnetic fields up to 15 T, on single crystals grown using both the f…

cond-mat.supr-con2017★ 28 cited

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 =…

cond-mat.supr-con2016★ 103 cited

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…

cond-mat.supr-con2016★ 57 cited

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…

cond-mat.supr-con2015★ 38 cited

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…

cond-mat.supr-con2015★ 406 cited

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…

cond-mat.supr-con2015★ 89 cited

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…

cond-mat.supr-con2015★ 40 cited

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…

cond-mat.supr-con2015★ 54 cited

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…