Recent progress in many‐body localization
Sign Up to like & getrecommendations! Published in 2017 at "Annalen der Physik"
DOI: 10.1002/andp.201700169
Abstract: This article is a brief introduction to the rapidly evolving field of many-body localization. Rather than giving an in-depth review of the subject, our aspiration here is simply to introduce the problem and its general… read more here.
Keywords: many body; recent progress; body localization;
New high order symplectic integrators via generating functions with its application in many-body problem
Sign Up to like & getrecommendations! Published in 2019 at "BIT Numerical Mathematics"
DOI: 10.1007/s10543-019-00785-0
Abstract: A new family of high order one-step symplectic integration schemes for separable Hamiltonian systems with Hamiltonians of the form $$T(p) + U(q)$$ T ( p ) + U ( q ) is presented. The new… read more here.
Keywords: order symplectic; order; many body; new high ... See more keywords
Many-Body Localization Transition in the Heisenberg Ising Chain
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-020-04410-7
Abstract: In this paper, we use exact matrix diagonalization to explore the many-body localization (MBL) transition of the Heisenberg Ising spin-1/2 chain with nearest neighbor couplings and disordered external fields. It demonstrates that the fidelity, magnetization… read more here.
Keywords: transition heisenberg; transition; many body; heisenberg ising ... See more keywords
Many-body dissipative particle dynamics simulation of Newtonian and non-Newtonian nanodroplets spreading upon flat and textured substrates
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146250
Abstract: Abstract To deposit droplets on substrates efficiently is critical for many technological and industrial applications, which requires a systematic understanding of the droplet spreading process. In the paper, mesoscopic modeling of viscous nanodroplets spreading on… read more here.
Keywords: body dissipative; particle dynamics; many body; dissipative particle ... See more keywords
Viscosity measurement and simulation of microbubble wetting on flat surfaces with many-body dissipative particle dynamics model
Sign Up to like & getrecommendations! Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125559
Abstract: Abstract One of the most important flow properties of liquid is its viscosity. In the present paper, two non-equilibrium methods, Poiseuille flow method and Couette flow method, are employed to measure the viscosity of many-body… read more here.
Keywords: many body; particle dynamics; dissipative particle; viscosity ... See more keywords
Lithium halide monolayer sheets: First-principles many-body calculations
Sign Up to like & getrecommendations! Published in 2018 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2017.11.003
Abstract: Abstract The geometric, electronic and optical properties of two-dimensional lithium halide (LiF, LiCl, LiBr) monolayers are systematically explored by using ab initio density functional theory, the HSE06 functional, the GWA method and Bethe–Salpeter equation calculations.… read more here.
Keywords: many body; lithium halide; optical properties; monolayer sheets ... See more keywords
Tuning the band gap and optical spectra of silicon-doped graphene: Many-body effects and excitonic states
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.10.101
Abstract: In this work we carried out density functional theory calculations combined with many-body perturbation formalism to study the structural, electronic and optical properties of a monolayer graphene sheet doped with Si. The electronic properties are… read more here.
Keywords: band gap; many body; doped graphene; silicon ... See more keywords
Complex Langevin and other approaches to the sign problem in quantum many-body physics
Sign Up to like & getrecommendations! Published in 2021 at "Physics Reports"
DOI: 10.1016/j.physrep.2020.09.002
Abstract: We review the theory and applications of complex stochastic quantization to the quantum many-body problem. Along the way, we present a brief overview of a number of ideas that either ameliorate or in some cases… read more here.
Keywords: many body; physics; problem; sign problem ... See more keywords
Enormous excitonic effects in bulk, mono- and bi- layers of cuprous halides using many-body perturbation technique
Sign Up to like & getrecommendations! Published in 2017 at "Solid State Communications"
DOI: 10.1016/j.ssc.2017.08.019
Abstract: Abstract Cuprous halides (CuX with X = Cl, Br, I), intensely studied about four decades ago by experimentalists for excitons, are again drawing attention of researchers recently. Potential of cuprous halide systems for device applications… read more here.
Keywords: cuprous halides; mono layers; many body; body perturbation ... See more keywords
Metal–Nonmetal Transition in Fluid Cesium: A Many-Body Dissipative Particle Dynamics Simulation Approach
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Chemical & Engineering Data"
DOI: 10.1021/acs.jced.7b00639
Abstract: A many-body dissipative dynamics simulation approach is presented for inclusion of many-body interactions in fluid cesium. Employing this many-body potential, simulations are done, in the grand canonical ensemble, to calculate the vapor–liquid equilibria over a… read more here.
Keywords: many body; cesium; metal nonmetal; simulation ... See more keywords
A Many-Body, Fully Polarizable Approach to QM/MM Simulations.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.0c00932
Abstract: We present a new development in quantum mechanics/molecular mechanics (QM/MM) methods by replacing conventional MM models with data-driven many-body (MB) representations rigorously derived from high-level QM calculations. The new QM/MM approach builds on top of… read more here.
Keywords: many body; fully polarizable; approach; body fully ... See more keywords