... quantum mechanics. This
work had an important impact on further applications of path integrals in statistical and solid state physics,
as well as in quantum field theory, in general.
At the same ... finite-dimensional approximation. The absence of a measure in the case of the Feynman or phase-
space quantum- mechanical path integrals is not merely a techn icality: it...
... of
freedom), even in the operator approach, we have to deal anyway with functionals, so that an application
of path (functional) integrals in this area is highly natural.
♦ Path integrals in scalar field ... describe all the fundamental interactions of elementary particles. In fact, Feynman derived his
important rules (Feynman 19 48, 19 50) (in quantum electrodynamics (QED...
... are mentioned by Savage (19 90). New
important immigrants in mammal zone MP 21 include: Anthracotherium,
Eusmilus, Rhinocerothidae, Lagomorpha, Eomyidae, and Cricetidae. This
faunal migration was ... present palaeogeographic sketches is to explain
mammal migration possibilities in and between Eurasia and Africa. Some
marine connections are still being debated (Adams, 19 98), and certain...
... Wong-On-Wing, 19 91; Hagerman & Hagerman, 19 89;
Campbell & Morgan, 19 87). Such pressure may lead tax scholars to focus
their early research efforts on empirical or theoretical work publishable in
academic ... Accounting and Financial Reporting
Publications (Vargo & Vargo, 19 98 19 99), and the International Guide to
Accounting Journals (Spiceland & Agrawal, 19 88). Ou...
... path integral formulation of quantum mechanics and use it to derive
the S matrix in terms of Feynman diagrams. We generalize to quantum field theory,
and derive the generating functional Z[J] and ... rotating the time axis by a small angle
−δ in the complex plane. Instead of adding the -term, we can instead rotate the
t axis by −π/2 so that t = −iτ. The metric becomes η
αβ
= dia...