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String theories seem to have created a breakthrough in theoretical
physics. At long last a unfied theory of all the fundamental
interactions, including gravity, looks possible. This, according to
theorist Stephen Hawking, will mark the end of theoretical physics
as we have known it, since we will then have a single consistent
theory within which to explain all natural phenomena from
elementary particles to galactic superclusters. Strings themselves
are extremely tiny entities, smaller than the Planck scale, which
form loops whose vibrational harmonics can be used to model all the
standard elementary particles. Of course the mathematical
complexities of the theory are daunting, and physicists are still
at a very early stage in understanding how strings and their
theoretical cousins superstrings can be used. This proceedings
volume gives an overview of the intense recent work in the field
and reports latest developments.
Dieses Lehrbuch uber einen wichtigen Bereich der modernen Physik
sollte sich als Standardwerk durchsetzen. Der Autor hat in seiner
Forschung Wesentliches zur Klarung der Grundlagen der Eichtheorien,
insbesondere hinsichtlich ihrer mathematischen Konsistenz
beigetragen und dies alles in das Buch in allgemein verstandlicher
Form eingearbeitet. Er fuhrt alle benotigten Begriffe ein:
Lorentzgruppe, freie Felder, S-Matrix, Pfadintegral, das
Eichprinzip. Ebenso erlautert er die derzeit wichtigsten
physikalischen Modelltheorien der Teilchenphysik: die
elektroschwache Theorie und die QCD. Renormierungstheorie und
Operatorproduktentwicklung werden vorgestellt, Anomalien ausgiebig
diskutiert. Insbesonders behandelt der Autor die von ihm entdeckte
BRS-Symmetrie ausfuhrlich."
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