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Beyond quantum cluster theories: multiscale approaches for strongly correlated systems
The degrees of freedom that confer to strongly correlated systems their many intriguing
properties also render them fairly intractable through typical perturbative treatments. For this …
properties also render them fairly intractable through typical perturbative treatments. For this …
Exact diagonalization as an impurity solver in dynamical mean field theory
The dynamical mean-field theory (DMFT) maps a correlated lattice problem onto an impurity
problem of a single correlated site coupled to an uncorrelated bath. Most implementations …
problem of a single correlated site coupled to an uncorrelated bath. Most implementations …
Quantum Embedding for Molecules with Auxiliary Particles-The Ghost Gutzwiller Ansatz
Strong/static electronic correlation mediates the emergence of remarkable phases of matter,
and underlies the exceptional reactivity properties in transition metal-based catalysts …
and underlies the exceptional reactivity properties in transition metal-based catalysts …
State-of-the-art techniques for calculating spectral functions in models for correlated materials
The dynamical mean-field theory (DMFT) has become a standard technique for the study of
strongly correlated models and materials overcoming some of the limitations of density …
strongly correlated models and materials overcoming some of the limitations of density …
Quantum embedding for molecules using auxiliary particles--The ghost Gutzwiller Ansatz
Strong/static electronic correlation mediates the emergence of remarkable phases of matter,
and underlies the exceptional reactivity properties in transition metal-based catalysts …
and underlies the exceptional reactivity properties in transition metal-based catalysts …
Solving the multi-site and multi-orbital dynamical mean field theory using density matrix renormalization
We implement an efficient numerical method to calculate response functions of complex
impurities based on the Density Matrix Renormalization Group (DMRG) and use it as the …
impurities based on the Density Matrix Renormalization Group (DMRG) and use it as the …
Density matrix renormalization
Abstract The Density Matrix Renormalization Group (DMRG) has become a powerful
numerical method that can be applied to low-dimensional strongly correlated fermionic and …
numerical method that can be applied to low-dimensional strongly correlated fermionic and …
An efficient impurity-solver for the dynamical mean field theory algorithm
An efficient impurity-solver for the dynamical mean field theory algorithm Page 1 Papers in
Physics, vol. 9, art. 090005 (2017) Received: 31 March 2017, Accepted: 06 June 2017 Edited …
Physics, vol. 9, art. 090005 (2017) Received: 31 March 2017, Accepted: 06 June 2017 Edited …
[PDF][PDF] A Study of the Hubbard Model in Two Dimensions
D Paul - researchgate.net
It is believed that the Hubbard model being one of the simplest models serves the purpose
of over-viewing into how there are interactions between electrons which leads to insulating …
of over-viewing into how there are interactions between electrons which leads to insulating …
Metal-insulator transition in the hybridized two-orbital Hubbard model revisited
In this work we study the two-orbital Hubbard model on a square lattice in the presence of
hybridization between nearest-neighbor orbitals and a crystal-field splitting. We use a highly …
hybridization between nearest-neighbor orbitals and a crystal-field splitting. We use a highly …