360 citations · 1.4k across the 23 of their papers we have counts for
23 papers
Successive Electronic Topological Transitions in the Antiferromagnet UPdAl
Adrien Gourgout, Gaël Bastien, Dai Aoki +7
We report successive anomalies at low temperature in the magnetic field dependence of the thermoelectric signal in the heavy fermion compound UPdAl inside the antiferro…
Quantum critical origin of strange-metals at the end of a pseudogap phase in infinite-layer nickelates
C. Iorio-Duval, E. Beauchesne-Blanchet, F. Perreault +7
The quantum-critical origin of strange metals remains debated, particularly in cuprates where -linear resistivity emerges at the end of the pseudogap phase, a regime without lon…
Electronic thermal resistivity and quasi-particle collision cross-section in semi-metals
Adrien Gourgout, Arthur Marguerite, Benoît Fauqué +1
Electron-electron collisions lead to a T-square component in the electrical resistivity of Fermi liquids. The case of liquid He illustrates that the \textit{thermal} resitivity…
Magnetic freeze-out and anomalous Hall effect in ZrTe
Adrien Gourgout, Maxime Leroux, Jean-Loup Smirr +10
The ultra-quantum limit is achieved when a magnetic field confines an electron gas in its lowest spin-polarised Landau level. Here we show that in this limit, electron doped ZrTe$_…
Electrons with Planckian scattering obey standard orbital motion in a magnetic field
A. Ataei, A. Gourgout, G. Grissonnanche +14
In various "strange" metals, electrons undergo Planckian dissipation, a strong and anomalous scattering that grows linearly with temperature, in contrast to the quadratic temperatu…
Thermal Hall conductivity of electron-doped cuprates
Marie-Eve Boulanger, Gaël Grissonnanche, Étienne Lefrançois +5
Measurements of the thermal Hall conductivity in hole-doped cuprates have shown that phonons acquire chirality in a magnetic field, both in the pseudogap phase and in the Mott insu…
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…
Normal state specific heat in the cuprates LaSrCuO and BiSrLaCuO near the critical point of the pseudogap phase
C. Girod, D. LeBoeuf, A. Demuer +17
The specific heat of the cuprate superconductors LaSrCuO and BiSrLaCuO was measured at low temperature (down to ), fo…
Effect of pressure on the pseudogap and charge-density-wave phases of the cuprate LaNdSrCuO probed by thermopower measurements
A. Gourgout, A. Ataei, M. -E. Boulanger +9
We report thermopower measurements under hydrostatic pressure on the cuprate superconductor LaNdSrCuO (Nd-LSCO), at low-temperature in the normal state ac…
Thermopower across the phase diagram of the cuprate LaNdSrCuO : signatures of the pseudogap and charge-density-wave phases
C. Collignon, A. Ataei, A. Gourgout +11
The Seebeck coefficient (thermopower) of the cuprate superconductor LaNdSrCuO was measured across its doping phase diagram (from to $p = 0.…
Transport signatures of the pseudogap critical point in the cuprate superconductor BiSrLaCuO
M. Lizaire, A. Legros, A. Gourgout +16
Five transport coefficients of the cuprate superconductor BiSrLaCuO were measured in the normal state down to low temperature, reached by applying a magneti…
Thermal Hall conductivity in the cuprate Mott insulators NdCuO and SrCuOCl
Marie-Eve Boulanger, Gaël Grissonnanche, Sven Badoux +11
The heat carriers responsible for the unexpectedly large thermal Hall conductivity of the cuprate Mott insulator LaCuO were recently shown to be phonons. However, the mecha…
Phonons become chiral in the pseudogap phase of cuprates
G. Grissonnanche, S. Thériault, A. Gourgout +11
The nature of the pseudogap phase of cuprates remains a major puzzle. One of its new signatures is a large negative thermal Hall conductivity , which appears for doping…
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…
Wiedemann-Franz law and abrupt change in conductivity across the pseudogap critical point of a cuprate superconductor
B. Michon, A. Ataei, P. Bourgeois-Hope +8
The thermal conductivity of the cuprate superconductor LaNdSrCuO was measured down to 50 mK in seven crystals with doping from to , b…
Pseudogap phase of cuprate superconductors confined by Fermi surface topology
N. Doiron-Leyraud, O. Cyr-Choinière, S. Badoux +15
The properties of cuprate high-temperature superconductors are largely shaped by competing phases whose nature is often a mystery. Chiefly among them is the pseudogap phase, which…
Anisotropic B-T Phase Diagram of Non-Kramers System PrRh2Zn20
Taichi Yoshida, Yo Machida, Koichi Izawa +8
We have investigated the low temperature quadrupolar phenomena of the non-Kramers system PrRh2Zn20 under magnetic fields in the [100] and [110] directions. Our experiments reveal t…
Lifshitz Transitions in the Ferromagnetic Superconductor UCoGe
Gaël Bastien, Adrien Gourgout, Dai Aoki +5
We present high field magnetoresistance, Hall effect and thermopower measurements in the Ising-type ferromagnetic superconductor UCoGe. Magnetic field is applied along the easy mag…
Collapse of ferromagnetism and Fermi surface instability near reentrant superconductivity of URhGe
Adrien Gourgout, Alexandre Pourret, Georg Knebel +3
We present thermoelectric power and resistivity measurements in the ferromagnetic superconductor URhGe for magnetic field applied along the hard magnetization b axis of the orthorh…
Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn
D. Aoki, G. Seyfarth, A. Pourret +5
We report high magnetic field measurements of magnetic torque, thermoelectric power (TEP), magnetization, and de Haas-van Alphen (dHvA) effect in CeIrIn across 28 T, where a me…
Multiple nodeless superconducting gaps in optimally-doped SrTiNbO
Xiao Lin, Adrien Gourgout, German Bridoux +5
We present the first study of thermal conductivity in superconducting SrTiNbO, sufficiently doped to be near its maximum critical temperature. The bulk critical…
Critical doping for the onset of a two-band superconducting ground state in SrTiO
Xiao Lin, German Bridoux, Adrien Gourgout +5
In doped SrTiO superconductivity persists down to an exceptionally low concentration of mobile electrons. This restricts the relevant energy window and possible pairing scena…
Coherent phonon manipulation in coupled mechanical resonators
Hajime Okamoto, Adrien Gourgout, Chia-Yuan Chang +4
Coupled mechanical oscillations were first observed in paired pendulum clocks in the mid-seventeenth century and were extensively studied for their novel sympathetic oscillation dy…