[seminar] [DANAS] Jerzy Lukierski, 25.09. (cetvrtak) 11h (c.t.), Predavaona III krila IRB
Kornelija Passek-Kumericki
passek at atila.irb.hr
Thu Sep 25 10:43:49 CEST 2014
SEMINAR TEORIJSKE FIZIKE
(Zajednički seminari Fizičkog odsjeka PMF-a te Zavoda za teorijsku
fiziku i Zavoda za eksperimentalnu fiziku IRB-a)
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Quantum Gravity models - a brief conceptual summary
Jerzy Lukierski
University of Wroclaw
Poland
Datum: cetvrtak, 25. rujna 2014.
Vrijeme: 11 sati c.t.
Mjesto: IRB, predavaona III krila
Sazetak:
After short historical overview we describe the difficulties with application
of standard QFT methods in quantum gravity (QG). The incompatibility of QG with
the use of classical continuous space-time required conceptually new approach.
We present briefly three proposals: loop quantum gravity (LQG), the
field-theoretic framework on noncommutative space-time and QG models formulated
on discretized (triangularized) space-time. We evaluate these models as
realizing expected important properties of QG: background independence,
consistent quantum diffeomorphisms, noncommutative or discrete structure of
space-time at very short distances, finite/renormalizable QG corrections. We
only briefly outline an important issue of embedding QG into larger geometric
and dynamical frameworks (e.g. supergravity, (super)strings, p-branes,
M-theory), with the aim to achieve full unification of all fundamental
interactions.
Voditeljica seminara: Kornelija Passek-Kumericki (passek at irb dot hr)
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