The Hubbard model: A computational perspective
The Hubbard model is the simplest model of interacting fermions on a lattice and is of similar
importance to correlated electron physics as the Ising model is to statistical mechanics or the …
importance to correlated electron physics as the Ising model is to statistical mechanics or the …
Recent developments in quantum Monte Carlo simulations with applications for cold gases
L Pollet - Reports on progress in physics, 2012 - iopscience.iop.org
This is a review of recent developments in Monte Carlo methods in the field of ultracold
gases. For bosonic atoms in an optical lattice we discuss path-integral Monte Carlo …
gases. For bosonic atoms in an optical lattice we discuss path-integral Monte Carlo …
Machine learning phases of strongly correlated fermions
Machine learning offers an unprecedented perspective for the problem of classifying phases
in condensed matter physics. We employ neural-network machine learning techniques to …
in condensed matter physics. We employ neural-network machine learning techniques to …
Observation of antiferromagnetic correlations in the Hubbard model with ultracold atoms
Ultracold atoms in optical lattices have great potential to contribute to a better understanding
of some of the most important issues in many-body physics, such as high-temperature …
of some of the most important issues in many-body physics, such as high-temperature …
Unsupervised machine learning account of magnetic transitions in the Hubbard model
K Ch'ng, N Vazquez, E Khatami - Physical Review E, 2018 - APS
We employ several unsupervised machine learning techniques, including autoencoders,
random trees embedding, and t-distributed stochastic neighboring ensemble (t-SNE), to …
random trees embedding, and t-distributed stochastic neighboring ensemble (t-SNE), to …
Density functionals and model Hamiltonians: Pillars of many-particle physics
K Capelle, VL Campo Jr - Physics Reports, 2013 - Elsevier
Density-functional theory (DFT) and model Hamiltonians are conceptually distinct
approaches to the many-particle problem, which can be developed and applied …
approaches to the many-particle problem, which can be developed and applied …
[HTML][HTML] Thermometry and cooling of a Bose gas to 0.02 times the condensation temperature
Trapped quantum gases can be cooled to impressively low temperatures,, but it is unclear
whether their entropy is low enough to realize phenomena such as d-wave …
whether their entropy is low enough to realize phenomena such as d-wave …
Thermodynamics of strongly interacting fermions in two-dimensional optical lattices
We study finite-temperature properties of strongly correlated fermions in two-dimensional
optical lattices by means of numerical linked cluster expansions, a computational technique …
optical lattices by means of numerical linked cluster expansions, a computational technique …
Compressibility of a fermionic Mott insulator of ultracold atoms
We characterize the Mott insulating regime of a repulsively interacting Fermi gas of ultracold
atoms in a three-dimensional optical lattice. We use in situ imaging to extract the central …
atoms in a three-dimensional optical lattice. We use in situ imaging to extract the central …
Phase diagram of the Hubbard model on the anisotropic triangular lattice
We investigate the Hubbard model on the anisotropic triangular lattice as a suggested
effective description of the Mott phase in various triangular organic compounds. Employing …
effective description of the Mott phase in various triangular organic compounds. Employing …