perturbation-theory

There are 1 repository under perturbation-theory topic.

• QC-Edu / IntroQM

  Introduction to Quantum Mechanics for Chemists

  quantum-mechanicsquantum-chemistryquantum-chemistry-methodsschrodinger-equationparticle-in-a-boxharmonic-oscilatorhydrogen-atommolecular-orbital-theoryhartree-fockdensity-functional-theoryperturbation-theory
  Language:HTML 36

• pfloos / QuAcK

  QuAcK: a software for emerging quantum electronic structure methods

  quantum-chemistryquantum-mechanicsquantum-chemistry-programsquantum-chemistry-packagesquantum-chemistry-methodselectronic-structureelectronic-structure-calculationscomputational-chemistrydensity-functional-theorycoupled-clustergreens-functionsperturbation-theoryhartree-fockmany-body-perturbation-theoryn-body-problem
  Language:Fortran 24

• hrkalona / Fractal-Zoomer

  One of the most complete fractal generating softwares using java!

  boundary-tracingfractaljavajuliamandelbrotmpfrperturbation-theoryimage-filtersmultithreadingblaseries-approximationarbitrary-precisionroot-finding-methodsmpir
  Language:Java 23

• qcode-uni-a / sympt

  Symbolic Perturbation Theory (SymPT) is a Python package for symbolic perturbative transformations on quantum systems. SymPT helps compute effective Hamiltonians for both time-independent and time-dependent systems at both operator and matrix level.

  diagonalizationeffectivehamiltonianperturbationperturbation-theoryquantumunitaryblock-diagonalizationschrieffer-wolff
  Language:Python 16

• rubel75 / mstar

  Effective mass calculation with DFT

  effective-masselectronic-structureperturbation-theoryvaspwien2k
  Language:Fortran 16

• smallpondtom / pNLsys

  Python Nonlinear System Analysis Tool

  chaosnonlinear-analysisperturbation-theory
  Language:Jupyter Notebook 12

• quantum-tinkerer / pymablock

  Package for quasi-degenerate perturbation theory (mirror)

  effective-modelperturbation-theoryquantum
  Language:Python 9

• princemahajan / SwARM

  Software for Absolute and Relative Motion Orbit Theories with Zonal and Tesseral Gravitational Harmonics

  orbitpropagationzonal-harmonicstesseralharmonicsformation-flyingrelative-motionspacecraftsatellite-theoriesperturbation-theory
  Language:MATLAB 7

• michael-petersen / exptool

  Tools for analysis of N-body models with Basis Function Expansions and perturbation theory themes.

  basis-function-expansiongalactic-dynamicsperturbation-theorypython
  Language:Jupyter Notebook 6

• beddalumia / MOTTlab

  MOTT transition within MATLAB. Blazing fast IPT code treating Bethe-Hubbard model at half-filling.

  dmftipthubbard-modelperturbation-theorydynamical-mean-field-theorymott-transitionmatlab
  Language:MATLAB 5

• pulkin / local-pyscf

  Implementation of local algorithms within pyscf

  quantum-chemistryatomic-physicsperturbation-theorynumerical-physicsmaterials-sciencecondensed-matterpyscflocal-algorithmsmany-body-physics
  Language:Python 4
• digraphSP-generalized-boundaries

  bastian-seifert / digraphSP-generalized-boundaries

  This repository contains an Matlab implementation of the algorithms presented in Digraph Signal Processing with Generalized Boundary Conditions by Bastian Seifert and Markus Püschel.

  graph-signal-processingperturbation-theorydigraphmatlab-code
  Language:MATLAB 3

• celestialheroes / celestial-tracker

  A system that aims to track and predict the movements of celestial objects with a fair amount of accuracy.

  celestial-navigationspacecelestial-coordinatesreal-timespace-trajectoriestrackertrajectoryaltitude-measurementsarduinoazimuth-anglesgeocentricheliocentrickeplers-lawsperturbation-theorypredictionrunge-kutta-4rungekuttasine-cosine-algorithmrungekutta-methods
  Language:Python 3

• vabhi6 / SLA

  Finite Element code to compute separation force on parts printed using constrained-surface stereolithography

  3d-printingfinite-element-analysisfluid-structure-interactionfluid-dynamicscontinuum-mechanicsfluid-mechanicsstereolithographyclipadditive-manufacturingfemlubricationperturbation-theory
  Language:MATLAB 3

• diegoscantam / perturbations

  Perturbative expansions in quantum mechanics: numerical application to the truncated Mølmer-Sørensen Hamiltonian

  computational-physicsperturbation-theoryphysicsquantumquantum-mechanicssimulation
  Language:Jupyter Notebook 2

• gcollombet / mandelbrot_rust_wgpu

  Realtime Mandelbrot set explorer written in rust and using wgpu

  fractalsmandelbrotperturbation-theoryrustwgpu
  Language:Rust 2

• jranaraki / PerturbationFeatureSelection

  MATLAB implementation of A Feature Selection Based on Perturbation Theory

  feature-selectionsystem-of-equationsleast-squaresperturbation-theory
  Language:MATLAB 2

• alexpiti / Graphene_Nonlinearity

  Set of MATLAB formulas for computing the nonlinearity of graphene, with emphasis on the optical band (e.g., NIR) and the self-acting (Kerr-like) effect.

  electrodynamicsgraphenenonlinearopticalperturbation-theory2d-materialskerrkerr-combssemiconductorsthgultrafast-opticsparametric-frequency-conversionthird-harmonic-generation
  Language:MATLAB 1

• cosmicinflation / fieldinf

  FieldInf: an exact solver for linear cosmological perturbations during inflation

  cosmic-inflationcosmologyperturbation-theoryexact-integrator
  Language:Fortran 1

• joerivan / Diammperturb

  diagrammatic perturbation theory for infinite square well with Dirac delta potential

  perturbation-theoryquantum-mechanics
  Language:Mathematica 1

• juliankappler / PyTubular

  Python module for the evaluation of probability densities and exit rates in a tubular ensemble

  diffusionlangevin-dynamicsperturbation-theorystochastic-differential-equationsstochastic-processessympy
  Language:Python 1

• usnistgov / understanding-btcs

  Software and Data Associated with "Understanding Fast Adsorption in Single-Solute Breakthrough Curves"

  boundary-layerbreakthrough-curvesnonlinear-dynamicspartial-differential-equationsperturbation-theorytraveling-waves
  Language:C 1

• anantbadal / PHY502A

  MSc Review Project III

  black-holesgeneral-relativitygravitational-wavesneutron-starsperturbation-theoryquasi-normal-modesschwarzschild-solutionspherical-harmonicsnon-minimal-couplingregge-wheeler-zerilli
  0

• LESC-Unicamp / TPT-coefficients-for-ellipsoidal-molecules

  Canonical Monte Carlo algorithm for ellipsoid-of-revolution molecules

  monte-carlo-simulationperturbation-theorystatistical-mechanics
  Language:Fortran 0

• LESC-Unicamp / TPT-coefficients-for-spherocylindrical-molecules

  Canonical Monte Carlo algorithm for spherocylindrical molecules

  statistical-mechanicsmonte-carlo-simulationperturbation-theory
  Language:Fortran 0

• o-morikawa / Resummation

  Some resummation techniques based on perturbation theory

  instantonsmathematicaodmpadepade-approximantperturbation-theoryperturbationsresummation
  Language:Mathematica 0

• sahooroshni / Identical-Particle-Interaction-using-Perturbation-Theory

  Numerically solving Schrödinger’s equation for a system of two interacting identical fermions in an infinite potential well using the method of finite differences.

  perturbation-theoryquantum-mechanics
  Language:Python 0

• thhsu296 / Differential-Equations-Graphing

  Graphing singularly perturbed differential equations based on Geometric Singular Perturbation Theory.

  differential-equationsmatlabperturbation-theoryslow-fast
  Language:MATLAB 0

• univalle-cosmology / cosmo-solver

  Code solving cosmological perturbation equations as well as background evolution

  cosmologyperturbation-theory
  Language:Fortran 0

• edvinolo / Effective-Ham

  Contains code that is useful in the study of effective two-level systems

  atomic-physicsperturbation-theorytwo-level-system
  Language:Python

• StevenEsquea / CanonicalScalarFieldPerturbationsInBianchiI

  xPand implementation of the calculation of the canonical scalar field linear perturbations in Bianchi I background spacetimes.

  cosmologymathematicaperturbation-theorywolfram-languagecosmological-perturbation
  Language:Mathematica