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The ?eld of cosmology is currently undergoing a revolution driven
by d- matic observational progress and by novel theoretical
scenarios imported from particle physics. In particular, two most
remarkable results were recently - tained from measurements of the
angular spectrum of the ?uctuations in the Cosmic Microwave
Background (CMB) radiation providing convincing e- dence that the
Universe is nearly ?at and from the Hubble diagram of distant
supernovae indicating an accelerating expansion rate, which implies
the ex- tence of some dark energy as the dominant component of the
Universe. Indeed, the next decade will bene't from high quality
data on cosmology from diff- ent major experiments and
observatories, with a particular important contri- tion from space
missions such as WMAP, Planck Surveyor, XMM and SNAP among others.
On one side, cosmologists believe they understand the origin of
themain ingredients which allowacoherent description of theUniverse
from its very earlyphase, namely in?ation, to the actual epoch
which accounts for theoriginof theprimordial?uctuations, allowing
predictions of their - prints inthe cosmicmicrowave skyandleading
to the large scale structure of theUniverse as observed. Ontheother
side, theexistence of a non-zero vacuum density is certainly one of
the most astonishing results of modern f- damental physics.
Understanding its nature andits originwill be one of the major
directions of researchinthe following years. In view of the
intensive current activity inthe ?eld, aSchoolfully dedicated to
these both sides in cosmology was timely
The ?eld of cosmology is currently undergoing a revolution driven
by d- matic observational progress and by novel theoretical
scenarios imported from particle physics. In particular, two most
remarkable results were recently - tained from measurements of the
angular spectrum of the ?uctuations in the Cosmic Microwave
Background (CMB) radiation providing convincing e- dence that the
Universe is nearly ?at and from the Hubble diagram of distant
supernovae indicating an accelerating expansion rate, which implies
the ex- tence of some dark energy as the dominant component of the
Universe. Indeed, the next decade will bene't from high quality
data on cosmology from diff- ent major experiments and
observatories, with a particular important contri- tion from space
missions such as WMAP, Planck Surveyor, XMM and SNAP among others.
On one side, cosmologists believe they understand the origin of
themain ingredients which allowacoherent description of theUniverse
from its very earlyphase, namely in?ation, to the actual epoch
which accounts for theoriginof theprimordial?uctuations, allowing
predictions of their - prints inthe cosmicmicrowave skyandleading
to the large scale structure of theUniverse as observed. Ontheother
side, theexistence of a non-zero vacuum density is certainly one of
the most astonishing results of modern f- damental physics.
Understanding its nature andits originwill be one of the major
directions of researchinthe following years. In view of the
intensive current activity inthe ?eld, aSchoolfully dedicated to
these both sides in cosmology was timely
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