Results 41 to 50 of about 1,759 (181)

Recursion method for quench dynamics: Strengths and limitations

open access: yesSciPost Physics Core
The recursion method, which solves coupled Heisenberg equations in a Lanczos operator basis, has recently emerged as a powerful nonperturbative tool for computing dynamical correlation functions in strongly correlated two- and three-dimensional quantum ...
Ilya Shirokov, Viacheslav Khrushchev, Filipp Uskov, Ivan Dudinets, Igor Ermakov, Oleg Lychkovskiy
doaj   +1 more source

PARSEC.py: A Python‐Based Real‐Space Kohn–Sham Density Functional Theory Code Accelerated by Machine Learned Charge Density

open access: yesJournal of Computational Chemistry, Volume 47, Issue 23, September 5, 2026.
PARSEC.py is a Python‐based real‐space Kohn–Sham DFT framework that leverages the Python scientific ecosystem for transparent, modular integration of machine‐learned densities and GPU acceleration. This unified design enables more efficient and scalable first‐principles simulations of large chemical and materials systems. ABSTRACT PARSEC.py is a Python‐
Zeyi Zhang   +4 more
wiley   +1 more source

Parallel solution of eigenproblems in structural dynamics using the implicitly restarted Lanczos method

open access: yesVetor, 2010
This paper presents a parallel implementation of the implicitly restarted Lanczos method for the solution of large and sparse eigenproblems that occur in modal analysis of complex structures using the finite element method.
George O. Ainsworth Jr.   +2 more
doaj   +4 more sources

Quantum Computed Green's Functions using a Cumulant Expansion of the Lanczos Method [PDF]

open access: yesQuantum
In this paper, we present a quantum computational method to calculate the many-body Green's function matrix in a spin orbital basis. We apply our approach to finite-sized fermionic Hubbard models and related impurity models within Dynamical Mean Field ...
Gabriel Greene-Diniz   +7 more
doaj   +1 more source

Bridging Theory and Practice: Digital Twin Simulation of a Heat Exchanger in Laboratories for Engineering Students

open access: yesComputer Applications in Engineering Education, Volume 34, Issue 5, September 2026.
ABSTRACT Digital twins serve as virtual replicas of physical systems. They can be used as a tool for engineering education by revealing the underlying principles behind unit operations. The project aimed to integrate digital twins into university engineering lab courses, complementing traditional methods by bridging the gap between experimentation and ...
Carles Troyano Ferré   +5 more
wiley   +1 more source

Lanczos methods for UV-suppressed fermions [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2003
In this talk I indroduce lattice fermions with suppressed cutoff modes. Then I present Lanczos based methods for stochastic evaluation of the fermion determinant.
openaire   +2 more sources

Tropical Eastern Pacific Decadal Variability Drives Atlantic Multidecadal Variability: Two Distinct Pathways

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Using a tropical Pacific pacemaker experiment, we demonstrate that the tropical eastern Pacific (TEP) decadal sea surface temperature (SST) variability influences the Atlantic Multidecadal Variability (AMV) through two pathways. The TEP induces a North Atlantic SST tripole response that peaks 1 year later, primarily via modulation of net ...
Jun‐Chao Yang   +5 more
wiley   +1 more source

Enhanced Discrete-Time Differentiators for $LCL$ Resonance Damping Through Capacitor Voltage Feedback

open access: yesIEEE Open Journal of Industry Applications
The capacitor current active damping method is widely used to dampen the $LCL$-filter resonance in grid-connected inverters due to its simple implementation.
Jose de Arimateia Olimpio Filho   +5 more
doaj   +1 more source

Experimental and Numerical Modal Analysis of Composite Sandwich Structures Using Surfboards as Model Systems

open access: yesAdvanced Engineering Materials, Volume 28, Issue 15, 5 August 2026.
This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan   +4 more
wiley   +1 more source

On the Lanczos Method for Computing Some Matrix Functions

open access: yesAxioms
The study of matrix functions is highly significant and has important applications in control theory, quantum mechanics, signal processing, and machine learning.
Ying Gu   +2 more
doaj   +1 more source

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