47 citations · 127 across the 14 of their papers we have counts for
15 papers
Demonstration of a Structured Agentic Workflow for Applied Quantum Computing Research
Dikshant Dulal, Maxence Grandadam, Maciej Koch-Janusz +1
Quantum hardware advances now make it practical to explore quantum approaches to scientific problems. Applied quantum computing research sits at the intersection of domain knowledg…
Reducing quantum and classical resources for quantum-centric supercomputing workloads on near-term hardware
Maxence Grandadam, Vladyslav Bohun, Dikshant Dulal +1
Sample-based Krylov quantum diagonalization (SKQD) is a paradigmatic example of a quantum-centric supercomputing workflow that combines the convergence structure of Krylov quantum…
Distributed Quantum Dynamics on Near-Term Quantum Processors
Vladyslav Bohun, Maxence Grandadam, Maciej Koch-Janusz
Simulations of quantum dynamics are a key application of near term quantum computing, but are hindered by the twin challenges of noise and small device scale, which limit the execu…
Bands renormalization and superconductivity in the strongly correlated Hubbard model using composite operators method
L. Haurie, M. Grandadam, E. Pangburn +3
We use the composite operator method (COM) to analyze the strongly correlated repulsive Hubbard model, investigating the effect of nearest-neighbor hoppings up to fourth order on a…
Planckian behaviour in the optical conductivity of the weakly coupled Hubbard model
M. Grandadam, J. P. F. LeBlanc
We study the frequency and temperature dependence of the optical conductivity in the weakly coupled two-dimensional Hubbard model using a renormalized perturbative expansion. The p…
Pairing susceptibility of the two-dimensional Hubbard model in the thermodynamic limit
Rayan Farid, Maxence Grandadam, J. P. F. LeBlanc
We compute the diagrammatic expansion of the particle-particle susceptibility via algorithmic Matsubara integration and compute the correlated pairing susceptibility in the thermod…
Renormalized Perturbation Theory for Fast Evaluation of Feynman Diagrams on the Real Frequency Axis
M. D. Burke, Maxence Grandadam, J. P. F. LeBlanc
We present a method to accelerate the numerical evaluation of spatial integrals of Feynman diagrams when expressed on the real frequency axis. This can be realized through use of a…
Interface states at the boundary between ABC and ABA multilayer graphene structures
Maxence Grandadam, Sarah Pinon, Cristina Bena +1
We study the interfaces between ABC and ABA regions in multilayer graphene, in particular we consider regions in which the transition between the ABA and ABC structure arises due t…
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…
Fractionalizing a local pair density wave: a good "recipe" for opening a pseudo-gap
Maxence Grandadam, Debmalya Chakraborty, Catherine Pépin
We give a concise version of a recently proposed concept of fractionalization of an order parameter, thus generating a constraint through a fictitious gauge field. We argue that th…
Fluctuations and Higgs mechanism in Under-Doped Cuprates: a Review
C. Pépin, D. Chakraborty, M. Grandadam +1
The physics of the pseudo-gap phase of high temperature cuprate superconductors has been an enduring mystery in the past thirty years. The ubiquitous presence of the pseudo-gap pha…
Fractionalized pair density wave in the pseudo-gap phase of cuprate superconductors
D. Chakraborty, M. Grandadam, M. H. Hamidian +3
The mysterious pseudo-gap (PG) phase of cuprate superconductors has been the subject of intense investigation over the last thirty years, but without a clear agreement about its or…