• CalcHEP

  • Referenced in 44 articles [sw06470]
  • properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...
  • ABINIT

  • Referenced in 36 articles [sw06111]
  • molecules), or within Many-Body Perturbation Theory (the GW approximation...
  • CompHep

  • Referenced in 35 articles [sw06473]
  • properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...
  • GAMESS

  • Referenced in 30 articles [sw03002]
  • wavefunctions include Configuration Interaction, second order perturbation Theory, and Coupled-Cluster approaches, as well...
  • BenderWu

  • Referenced in 9 articles [sw22948]
  • Aspects of Perturbation theory in Quantum Mechanics: The BenderWu Mathematica package. We discuss a general ... which allows the study of the perturbation theory of an arbitrary, locally harmonic 1D quantum ... computer computation of high orders of perturbation theory (about 100 orders in 10-30 seconds ... tool, providing an effective bridge between perturbation theory and non-perturbative physics in textbooks. Finally...
  • Mu Analysis and Synthesis Toolbox

  • Referenced in 99 articles [sw19506]
  • users access to recent developments in control theory, namely H∞ optimal control and m analysis ... package allows you to use sophisticated matrix perturbation results and optimal control techniques to solve ... Tools, provides a link between control theory and control engineering...
  • xPert

  • Referenced in 9 articles [sw06827]
  • xPert: Computer algebra for metric perturbation theory. We present the tensor computer algebra package xPert ... manipulation of the equations of metric perturbation theory, around arbitrary backgrounds. It is based ... explicit combinatorial formulas for the nth order perturbation of curvature tensors and their gauge changes...
  • VASP

  • Referenced in 10 articles [sw19550]
  • Hartree-Fock approach with density functional theory are implemented as well. Furthermore, Green’s functions ... ACFDT-RPA) and many-body perturbation theory (2nd-order Møller-Plesset) are available in VASP...
  • XSummer

  • Referenced in 22 articles [sw06109]
  • evaluation of higher-order perturbative corrections in quantum field theory. Of particular interest have been...
  • BWDifference

  • Referenced in 4 articles [sw23722]
  • High order perturbation theory for difference equations and Borel summability of quantum mirror curves ... Anharmonic oscillator. 2: A study of perturbation theory in large order” in [Phys ... 1103/PhysRevD.7.1620)] to solve perturbatively but very efficiently the eigenvalue problem of “relativistic” quantum mechanical problems...
  • BerkeleyGW

  • Referenced in 6 articles [sw17734]
  • based on the many-body perturbation theory employing the ab initio GW and GW plus...
  • CRYSCOR

  • Referenced in 5 articles [sw20310]
  • presently local second order Møller-Plesset Perturbation Theory — LMP2). It uses the Hartree-Fock solution...
  • exciting

  • Referenced in 4 articles [sw22331]
  • full-potential all-electron density-functional-theory package implementing the families of linearized augmented planewave ... excited states within many-body perturbation theory...
  • nonlinear_pseudoabscissa

  • Referenced in 4 articles [sw28497]
  • These global models follow from eigenvalue perturbation theory. The algorithm has three particular features. First ... iterative approaches based on constructing low-rank perturbations and rightmost eigenvalue computations, the algorithm relies...
  • turboTDDFT 2.0

  • Referenced in 2 articles [sw18214]
  • algorithms within time-dependent density-functional perturbation theory. We present a new release ... approach to time-dependent density-functional perturbation theory, and a newly developed Davidson-like algorithm...
  • FAPT

  • Referenced in 2 articles [sw08514]
  • calculations in QCD Fractional Analytic Perturbation Theory. We provide here all the procedures in Mathematica ... couplings are inevitable elements of Analytic Perturbation Theory (APT) in QCD, proposed...
  • pAQFT

  • Referenced in 4 articles [sw11711]
  • local symmetry invariance in perturbative algebraic quantum field theory. We investigate various aspects of invariance ... symmetries in the framework of perturbative algebraic quantum field theory (pAQFT). Our main result...
  • feyngen

  • Referenced in 2 articles [sw19941]
  • computation of perturbative expansions of quantum field theory amplitudes are provided. feyngen can be used ... Yang-Mills, QED and φ k theories. Using dedicated graph theoretic tools feyngen can generate ... necessary to calculate finite results in perturbation theory of the underlying quantum field theory. feyngen...
  • feyncop

  • Referenced in 2 articles [sw19942]
  • computation of perturbative expansions of quantum field theory amplitudes are provided. feyngen can be used ... Yang-Mills, QED and φ k theories. Using dedicated graph theoretic tools feyngen can generate ... necessary to calculate finite results in perturbation theory of the underlying quantum field theory. feyngen...
  • EFTofPNG

  • Referenced in 2 articles [sw20815]
  • high precision computation in the effective field theory of post-Newtonian (PN) Gravity, including spins ... contractions, which is universal to all perturbation theories in physics, by efficiently treating n-point...