
CalcHEP
 Referenced in 50 articles
[sw06470]
 properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...

ABINIT
 Referenced in 47 articles
[sw06111]
 molecules), or within ManyBody Perturbation Theory (the GW approximation...

CompHep
 Referenced in 40 articles
[sw06473]
 properties in the lowest order of perturbation theory (the tree approximation). The main idea prescribed...

GAMESS
 Referenced in 39 articles
[sw03002]
 wavefunctions include Configuration Interaction, second order perturbation Theory, and CoupledCluster approaches, as well...

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

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 1030 seconds ... tool, providing an effective bridge between perturbation theory and nonperturbative physics in textbooks. Finally...

xPert
 Referenced in 16 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...

Mu Analysis and Synthesis Toolbox
 Referenced in 109 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 15 articles
[sw19550]
 HartreeFock approach with density functional theory are implemented as well. Furthermore, Green’s functions ... ACFDTRPA) and manybody perturbation theory (2ndorder MøllerPlesset) are available in VASP...

XSummer
 Referenced in 30 articles
[sw06109]
 evaluation of higherorder perturbative corrections in quantum field theory. Of particular interest have been...

BerkeleyGW
 Referenced in 8 articles
[sw17734]
 based on the manybody 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...

feyngen
 Referenced in 6 articles
[sw19941]
 computation of perturbative expansions of quantum field theory amplitudes are provided. feyngen can be used ... YangMills, 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 ... YangMills, 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 5 articles
[sw20815]
 high precision computation in the effective field theory of postNewtonian (PN) Gravity, including spins ... contractions, which is universal to all perturbation theories in physics, by efficiently treating npoint...

fastNLO
 Referenced in 5 articles
[sw40097]
 tables of precomputed coefficients in perturbation theory for observables in hadroninduced processes. This...

CRYSCOR
 Referenced in 5 articles
[sw20310]
 presently local second order MøllerPlesset Perturbation Theory — LMP2). It uses the HartreeFock solution...

pAQFT
 Referenced in 7 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...

exciting
 Referenced in 4 articles
[sw22331]
 fullpotential allelectron densityfunctionaltheory package implementing the families of linearized augmented planewave ... excited states within manybody 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 lowrank perturbations and rightmost eigenvalue computations, the algorithm relies...