Colloquium: Planckian dissipation in metals

SA Hartnoll, AP Mackenzie - Reviews of Modern Physics, 2022‏ - APS
The appearance of the Planckian time τ Pl= ℏ/k BT is reviewed in both conventional and
unconventional metals. A pedagogical discussion of the various different timescales …

The remarkable underlying ground states of cuprate superconductors

C Proust, L Taillefer - Annual Review of Condensed Matter …, 2019‏ - annualreviews.org
Cuprates exhibit exceptionally strong superconductivity. To understand why, it is essential to
elucidate the nature of the electronic interactions that cause pairing. Superconductivity …

Giant thermal Hall conductivity in the pseudogap phase of cuprate superconductors

G Grissonnanche, A Legros, S Badoux, E Lefrançois… - Nature, 2019‏ - nature.com
The nature of the pseudogap phase of the copper oxides ('cuprates') remains a puzzle.
Although there are indications that this phase breaks various symmetries, there is no …

Fermi surface transformation at the pseudogap critical point of a cuprate superconductor

Y Fang, G Grissonnanche, A Legros, S Verret… - Nature Physics, 2022‏ - nature.com
The nature of the pseudogap phase remains a major puzzle in our understanding of cuprate
high-temperature superconductivity. Whether or not this metallic phase is defined by any of …

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, A Ataei… - Physical Review X, 2022‏ - APS
We report measurements of the Seebeck effect in both the ab plane (S a) and along the c
axis (S c) of the cuprate superconductor La 1.6-x Nd 0.4 Sr x CuO 4 (Nd-LSCO), performed …

Reconciling scaling of the optical conductivity of cuprate superconductors with Planckian resistivity and specific heat

B Michon, C Berthod, CW Rischau, A Ataei… - Nature …, 2023‏ - nature.com
Materials tuned to a quantum critical point display universal scaling properties as a function
of temperature T and frequency ω. A long-standing puzzle regarding cuprate …

Boson-exchange parquet solver for dual fermions

F Krien, A Valli, P Chalupa, M Capone, AI Lichtenstein… - Physical Review B, 2020‏ - APS
We present and implement a parquet approximation within the dual-fermion formalism
based on a partial bosonization of the dual vertex function which substantially reduces the …

Electrons with Planckian scattering obey standard orbital motion in a magnetic field

A Ataei, A Gourgout, G Grissonnanche, L Chen… - Nature Physics, 2022‏ - nature.com
In various so-called strange metals, electrons undergo Planckian dissipation,, a strong and
anomalous scattering that grows linearly with temperature, in contrast to the quadratic …

Normal state specific heat in the cuprate superconductors and near the critical point of the pseudogap phase

C Girod, D Leboeuf, A Demuer, G Seyfarth, S Imajo… - Physical review B, 2021‏ - APS
The specific heat C of the cuprate superconductors La 2− x Sr x CuO 4 and Bi 2+ y Sr 2− x−
y La x CuO 6+ δ was measured at low temperatures (down to 0.5 K) for do**s p close to …

Thermopower across the phase diagram of the cuprate : Signatures of the pseudogap and charge density wave phases

C Collignon, A Ataei, A Gourgout, S Badoux, M Lizaire… - Physical Review B, 2021‏ - APS
The Seebeck coefficient (thermopower) S of the cuprate superconductor La 1.6− x Nd 0.4 Sr
x Cu O 4 was measured across its do** phase diagram (from p= 0.12 to p= 0.25), at …