• ABINIT

  • Referenced in 53 articles [sw06111]
  • molecules), or within Many-Body Perturbation Theory (the GW approximation...
  • CalcHEP

  • Referenced in 53 articles [sw06470]
  • properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...
  • CompHep

  • Referenced in 42 articles [sw06473]
  • properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...
  • GAMESS

  • Referenced in 41 articles [sw03002]
  • wavefunctions include Configuration Interaction, second order perturbation Theory, and Coupled-Cluster approaches, as well...
  • AIR

  • Referenced in 33 articles [sw40028]
  • used for generic calculations in perturbation theory...
  • xPert

  • Referenced in 24 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...
  • BenderWu

  • Referenced in 14 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...
  • FAST-PT

  • Referenced in 14 articles [sw41222]
  • general tensor quantities in cosmological perturbation theory. Cosmological perturbation theory is a powerful tool...
  • Mu Analysis and Synthesis Toolbox

  • Referenced in 110 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...
  • VASP

  • Referenced in 16 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...
  • CLASSgal

  • Referenced in 10 articles [sw41564]
  • theta,z1,z2) in linear perturbation theory. For Gaussian initial perturbations, these quantities contain ... distribution at the level of linear perturbation theory. We illustrate the usefulness of our code...
  • CppTransport

  • Referenced in 11 articles [sw40977]
  • beyond the applicability of tree-level perturbation theory. Given an input Lagrangian, CppTransport performs symbolic...
  • MultiModeCode

  • Referenced in 9 articles [sw40978]
  • give a concise review of multifield perturbation theory and a user’s manual...
  • XSummer

  • Referenced in 30 articles [sw06109]
  • evaluation of higher-order perturbative corrections in quantum field theory. Of particular interest have been...
  • BerkeleyGW

  • Referenced in 8 articles [sw17734]
  • based on the many-body perturbation theory employing the ab initio GW and GW plus...
  • BWDifference

  • Referenced in 5 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...
  • EFTofPNG

  • Referenced in 7 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...
  • COFFE

  • Referenced in 7 articles [sw41165]
  • function and its multipoles in linear perturbation theory, including all relativistic and wide angle corrections...
  • feyngen

  • Referenced in 6 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 6 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...