Search Results - "Ayral, Thomas"

Mott physics and spin fluctuations: A unified framework by Ayral, Thomas, Parcollet, Olivier

“…We present a formalism for strongly correlated electrons systems which consists in a local approximation of the dynamical three-leg interaction vertex. This…”
Get full text

Mott physics and spin fluctuations: a functional viewpoint by Ayral, Thomas, Parcollet, Olivier

“…We present a formalism for strongly correlated systems with fermions coupled to bosonic modes. We construct the three-particle irreducible functional…”
Get full text

Benchmarking Quantum Coprocessors in an Application-Centric, Hardware-Agnostic, and Scalable Way by Martiel, Simon, Ayral, Thomas, Allouche, Cyril

“…Existing protocols for benchmarking current quantum coprocessors fail to meet the usual standards for assessing the performance of high-performance-computing…”
Get full text

Density-Matrix Renormalization Group Algorithm for Simulating Quantum Circuits with a Finite Fidelity by Ayral, Thomas, Louvet, Thibaud, Zhou, Yiqing, Lambert, Cyprien, Stoudenmire, E. Miles, Waintal, Xavier

“…We develop a density-matrix renormalization group (DMRG) algorithm for the simulation of quantum circuits. This algorithm can be seen as the extension of the…”
Get full text

Screening and nonlocal correlations in the extended Hubbard model from self-consistent combined GW and dynamical mean field theory by Ayral, Thomas, Biermann, Silke, Werner, Philipp

“…We describe a recent implementation of the combined GW and dynamical mean field method (GW + DMFT) for the two-dimensional Hubbard model with onsite and…”
Get full text

TRIQS: A toolbox for research on interacting quantum systems by Parcollet, Olivier, Ferrero, Michel, Ayral, Thomas, Hafermann, Hartmut, Krivenko, Igor, Messio, Laura, Seth, Priyanka

“…We present the TRIQS library, a Toolbox for Research on Interacting Quantum Systems. It is an open-source, computational physics library providing a framework…”
Get full text

Spectral properties of correlated materials: local vertex and nonlocal two-particle correlations from combined GW and dynamical mean field theory by Ayral, Thomas, Werner, Philipp, Biermann, Silke

“…We present a fully self-consistent combined GW and dynamical mean field (DMFT) study of the extended two-dimensional Hubbard model. The inclusion of the local…”
Get full text

Fierz Convergence Criterion: A Controlled Approach to Strongly Interacting Systems with Small Embedded Clusters by Ayral, Thomas, Vučičević, Jaksa, Parcollet, Olivier

“…We present an embedded-cluster method, based on the triply irreducible local expansion formalism. It turns the Fierz ambiguity, inherent to approaches based on…”
Get full text

Extended dynamical mean-field study of the Hubbard model with long-range interactions by Huang, Li, Ayral, Thomas, Biermann, Silke, Werner, Philipp

“…Using extended dynamical mean-field theory and its combination with the GW approximation, we compute the phase diagrams and local spectral functions of the…”
Get full text

Quantum computing with and for many-body physics by Ayral, Thomas, Besserve, Pauline, Lacroix, Denis, Ruiz Guzman, Edgar Andres

“…Quantum computing technologies are making steady progress. This has opened new opportunities for tackling problems whose complexity prevents their description…”
Get full text

Long-range Coulomb interactions in surface systems: a first-principles description within self-consistently combined GW and dynamical mean-field theory by Hansmann, P, Ayral, T, Vaugier, L, Werner, P, Biermann, S

“…Systems of adatoms on semiconductor surfaces display competing ground states and exotic spectral properties typical of two-dimensional correlated electron…”
Get full text

Dynamical correlations and screened exchange on the experimental bench: spectral properties of the cobalt pnictide BaCo2As2 by van Roekeghem, Ambroise, Ayral, Thomas, Tomczak, Jan M, Casula, Michele, Xu, Nan, Ding, Hong, Ferrero, Michel, Parcollet, Olivier, Jiang, Hong, Biermann, Silke

“…Understanding the Fermi surface and low-energy excitations of iron or cobalt pnictides is crucial for assessing electronic instabilities such as magnetic or…”
Get full text

Open source variational quantum eigensolver extension of the quantum learning machine for quantum chemistry by Haidar, Mohammad, Rančić, Marko J., Ayral, Thomas, Maday, Yvon, Piquemal, Jean‐Philip

“…Abstract Quantum chemistry (QC) is one of the most promising applications of quantum computing. However, present quantum processing units (QPUs) are still…”
Get full text

Spectral Properties of Correlated Materials: Local Vertex and Nonlocal Two-Particle Correlations from Combined G W and Dynamical Mean Field Theory by Ayral, Thomas, Werner, Philipp, Biermann, Silke

Get full text

Optimizing Unitary Coupled Cluster Wave Functions on Quantum Hardware: Error Bound and Resource-Efficient Optimizer by Plazanet, Martin, Ayral, Thomas

“…In this work, we study the projective quantum eigensolver (PQE) approach to optimizing unitary coupled cluster wave functions on quantum hardware, as…”
Get full text

Dynamical Correlations and Screened Exchange on the Experimental Bench: Spectral Properties of the Cobalt Pnictide BaCo sub(2) As sub(2) by van Roekeghem, Ambroise, Ayral, Thomas, Tomczak, Jan M, Casula, Michele, Xu, Nan, Ding, Hong, Ferrero, Michel, Parcollet, Olivier, Jiang, Hong, Biermann, Silke

“…Understanding the Fermi surface and low-energy excitations of iron or cobalt pnictides is crucial for assessing electronic instabilities such as magnetic or…”
Get full text

Dynamical Correlations and Screened Exchange on the Experimental Bench: Spectral Properties of the Cobalt Pnictide BaCo 2 As 2 by van Roekeghem, Ambroise, Ayral, Thomas, Tomczak, Jan M., Casula, Michele, Xu, Nan, Ding, Hong, Ferrero, Michel, Parcollet, Olivier, Jiang, Hong, Biermann, Silke

“…Understanding the Fermi surface and low-energy excitations of iron or cobalt pnictides is crucial for assessing electronic instabilities such as magnetic or…”
Get full text

Unraveling correlated material properties with noisy quantum computers: Natural orbitalized variational quantum eigensolving of extended impurity models within a slave-boson approach by Besserve, Pauline, Ayral, Thomas

“…Phys. Rev. B 105, 115108 (2022) We propose a method for computing space-resolved correlation properties of the two-dimensional Hubbard model within a…”
Get full text

Compact fermionic quantum state preparation with a natural-orbitalizing variational quantum eigensolving scheme by Besserve, Pauline, Ferrero, Michel, Ayral, Thomas

“…Assemblies of strongly interacting fermions, whether in a condensed-matter or a quantum chemistry context, range amongst the most promising candidate systems…”
Get full text

Enabling large-depth simulation of noisy quantum circuits with positive tensor networks by Müller, Ambroise, Ayral, Thomas, Bertrand, Corentin

“…Matrix product density operators (MPDOs) are tensor network representations of locally purified density matrices where each physical degree of freedom is…”
Get full text