272 citations · 809 across the 33 of their papers we have counts for
33 papers
Incoherent transport in a model for the strange metal phase: Memory-matrix formalism
Emile Pangburn, Anurag Banerjee, Hermann Freire +1
We revisit a phenomenological model of fermions coupled to fluctuating bosons that emerges from finite-momentum particle-particle pairs for describing the strange metal phase in th…
Pole structure of the electronic self-energy with coexistence of Charge order and Superconductivity
Maxence Grandadam, Catherine Pépin
We compare the pole structure of the electronic Green's function obtained by Cluster Dynamical Mean Field Theory to the results from the fractionalized Pair Density Wave idea. In t…
Anomalous softening of phonon-dispersion in cuprate superconductors
Saheli Sarkar, Maxence Grandadam, Catherine Pépin
A softening of phonon-dispersion has been observed experimentally in under-doped cuprate superconductors at the charge-density wave (CDW) ordering wave vector. Interestingly, the s…
Strange metal from incoherent bosons
Anurag Banerjee, Maxence Grandadam, Hermann Freire +1
The breakdown of the celebrated Fermi liquid theory in the strange metal phase is the central enigma of correlated quantum matter. Motivated by recent experiments reporting short-l…
Electronic spectral function in fractionalized Pair Density Wave scenario
Maxence Grandadam, Debmalya Chakraborty, Xavier Montiel +1
Studies of the electronic spectral function in cuprates by Angle-Resolved Photo-Emission Spectroscopy reveal unusual features in the pseudogap phase that persist in the superconduc…
Incipient loop current order in the under-doped cuprate superconductors
Saheli Sarkar, Debmalya Chakraborty, Catherine Pépin
There are growing experimental evidence which indicate discrete symmetry breaking like time-reversal (), parity () and C lattice rotation in the pse…
Collective mode in the SU(2) theory of cuprates
Corentin Morice, Debmalya Chakraborty, Catherine Pépin
Recent advances in momentum-resolved electron energy-loss spectroscopy (MEELS) and resonant inelastic X-ray scattering (RIXS) now allow one to access the charge response function w…
Anisotropic Kondo pseudo-gap in URu2Si2
J. Buhot, X. Montiel, Y. Gallais +8
A polarized electronic Raman scattering study reveals the emergence of symmetry dependence in the electronic Raman response of single crystalline URuSi below the Kondo…
The phase diagram of the underdoped cuprates at high magnetic field
Debmalya Chakraborty, Corentin Morice, Catherine Pépin
The experimentally measured phase diagram of cuprate superconductors in the temperature-applied magnetic field plane illuminates key issues in understanding the physics of these ma…
A model for the neutron resonance in HgBaCuO
X. Montiel, C. Pépin
We study the spin dynamics of the Resonant Excitonic State (RES) proposed, within the theory of an emergent SU(2) symmetry, to explain some properties of the pseudo-gap phase of cu…
Effective SU(2) theory for the pseudogap state
X. Montiel, T. Kloss, C. Pépin
This paper exposes in a detailed manner the recent findings about the SU(2) scenario for the underdoped phase of the Cuprate superconductors. The SU(2) symmetry is formulated as a…
Angle Resolved Photo-Emission Spectroscopy signature of the Resonant Excitonic State
X. Montiel, T. Kloss, C. Pépin
We calculate the Angle Resolved PhotoEmission Spectroscopy (ARPES) signature of the Resonant Excitonic State (RES) that was proposed as the Pseudo-Gap state of cuprate superconduct…
Spin liquid versus long range magnetic order in the frustrated body-centered tetragonal lattice
Carlene Farias, Christopher Thomas, Catherine Pépin +3
An -symmetric generalization of the Heisenberg model for quantum spin operators is used to investigate the geometrically frustrated body-centered tetragonal (BCT)…
Coexistence of -loop-current order with checkerboard d-wave CDW/PDW order in a hot-spot model for cuprate superconductors
Vanuildo S. de Carvalho, Catherine Pépin, Hermann Freire
We investigate the strong influence of the -loop-current order on both unidirectional and bidirectional d-wave charge-density-wave/pair-density-wave (CDW/PDW) composite ord…
Strong competition between -loop-current order and -wave charge order along the diagonal direction in a two-dimensional hot spot model
Vanuildo S. de Carvalho, Thomas Kloss, Xavier Montiel +2
We study the fate of the so-called -loop-current order that breaks both time-reversal and parity symmetries in a two-dimensional hot spot model with antiferromagnetically m…
Renormalization group analysis of the pair-density-wave and charge order within the fermionic hot-spot model for cuprate superconductors
Hermann Freire, Vanuildo S. de Carvalho, Catherine Pépin
In light of the new experimental and theoretical important developments in high- superconductivity, we revisit the fermionic hot-spot model relevant to the phenomenology of th…
SU(2)-symmetry in a realistic spin-fermion model for cuprate superconductors
T. Kloss, X. Montiel, C. Pépin
We consider the Pseudo-Gap (PG) state of high- superconductors in form of a composite order parameter fluctuating between 2-charge ordering and superconducting (SC) pairi…
Pairing gaps near ferromagnetic quantum critical points
Matthias Einenkel, Hendrik Meier, Catherine Pépin +1
We address the quantum-critical behavior of a two-dimensional itinerant ferromagnetic systems described by a spin-fermion model in which fermions interact with close to critical bo…
Vortices and charge order in high-T_c superconductors
M. Einenkel, H. Meier, C. Pépin +1
We theoretically investigate the vortex state of the cuprate high-temperature superconductors in the presence of magnetic fields. Assuming the recently derived nonlinear -model…
Pseudogap, charge order, and pairing density wave at the hot spots in cuprate superconductors
C. Pépin, V. S. de Carvalho, T. Kloss +1
We address the timely issue of the presence of charge ordering at the hot-spots in the pseudo-gap phase of cuprate superconductors in the context of an emergent SU(2)-symmetry whic…
Spin liquid versus long range magnetic order in the frustrated body-centered tetragonal lattice
Sébastien Burdin, Christopher Thomas, Catherine Pépin +2
The quantum Heisenberg model is studied in the geometrically frustrated body-centered tetragonal lattice(BCT lattice) with antiferromagnetic interlayer coupling J1 and intralayer f…
Modulated Spin Liquid and Magnetic Order from a Kondo-Heisenberg model applied to
X. Montiel, S. Burdin, C. Pépin +1
Within the framework of the Kondo-Heisenberg model, we analyse the effect of charge fluctuation on the modulated spin liquid (MSL) and antiferromagnetic (AF) orders which were esta…
Cascade of phase transitions in the vicinity of a quantum critical point
H. Meier, C. Pépin, M. Einenkel +1
We study the timely issue of charge order checkerboard patterns observed in a variety of cuprate superconductors. We suggest a minimal model in which strong quantum fluctuations in…
Effect of magnetic field on competition between superconductivity and charge order below the pseudogap state
H. Meier, M. Einenkel, C. Pépin +1
We theoretically investigate the T-B phase diagram of cuprates building on the SU(2) pseudogap order recently obtained from the spin-fermion model. At low temperatures, our analysi…