𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Loops: Procedures for multiloop calculations in quantum field theory for the reduce system

✍ Scribed by L.R. Surguladze; F.V. Tkachov

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
738 KB
Volume
55
Category
Article
ISSN
0010-4655

No coin nor oath required. For personal study only.

✦ Synopsis

We present a REDUCE package for analitical computation of arbitrary massless, one-and two-loop Feynman diagrams of the propagator type within dimensional regularization.

πŸ“œ SIMILAR VOLUMES

Reducing I/O costs for the eigenvalue pr
Reducing I/O costs for the eigenvalue procedure in large-scale configuration interaction calculations
✍ Ron Shepard; Isaiah Shavitt; Hans Lischka πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 78 KB

## Abstract Several aspects of the matrix diagonalization method used for CI calculations in the COLUMBUS Program System are discussed, including a linear basis‐contraction algorithm and the use of a nonorthogonal expansion basis. Both of these features significantly reduce the I/O requirements dur

Quantum molecular mechanicsβ€”a noniterati
Quantum molecular mechanicsβ€”a noniterative procedure for the fast Ab Initio calculation of closed shell systems
✍ Gustavo L. C. Moura; Alfredo M. Simas πŸ“‚ Article πŸ“… 2012 πŸ› John Wiley and Sons 🌐 English βš– 907 KB

## Abstract In this article, we advance the foundations of a strategy to develop a molecular mechanics method based not on classical mechanics and force fields but entirely on quantum mechanics and localized electron‐pair orbitals, which we call quantum molecular mechanics (QMM). Accordingly, we in

Optimized Expansion for the Effective Ac
Optimized Expansion for the Effective Action and Multi-particle States in the Scalar Quantum Field Theory
✍ A. Okopinska πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 768 KB

The optimized expansion for the effective action in quantum field theory is discussed to second order. As an example we use the scalar quantum field theory with \(\lambda \phi^{4}\) interaction in one-dimensional space-time, which is equivalent to quantum mechanics of the anharmonic ascillator. The