Menu
Home
Log in / Register
Home
Sociology
Post-Planck cosmology
Next >
Post-Planck cosmology
Cosmic inflation
Introduction
Inflation basics
Densities
Lengths and fluctuations
Eternal inflation
Entropy, tuning, and equilibrium in cosmology
Classical and quantum probabilities in the multiverse
De Sitter equilibrium cosmology
Conclusions
Acknowledgments
References
The evolution of the large-scale structure of the universe: beyond the linear regime
Introduction
The single-flow Vlasov-Poisson equation
The Vlasov equation
Single-flow approximation
The curl modes
The linear theory
The linear modes
The Green functions
The general background case
The two-fluid case
Modes and statistics
The origin of stochasticity
Statistical homogeneity and isotropy
Moments and cumulants
Moment and cumulant generating functions
The nonlinear equations
A field representation of the nonlinear equations of motion
Diagrammatic representations
Scaling of solutions
Time flow equations
The infrared domain and the eikonal approximation
The IR behavior of the 1-loop corrections to the power spectrum
The eikonal approximation
Extended Galilean invariance from the equivalence principle
The Г-expansion
The general formalism and theorem
The case of gravitational dynamics
The RPT formulation
The MPTbreeze and RegPT formulation
Performances of perturbation theory at NNLO
Mode coupling structure
Scalings in the long-wave mode regime
Kernels and integrands
General convergence properties in the UV domain
Alternative perturbation theory schemes
Lagrangian perturbation theory
The Zel’dovich approximation and higher-order solutions
From displacement fields to power spectra
Other observables
The inverse Laplace transform
The Edgeworth expansion
Cumulants in spherical cells
Direct calculation of low-order cumulants
Spherical collapse
The tree-order cumulant generating function as a Legendre transform of the initial moments
Density PDFs and profiles with spherical cells
Reconstructing the density PDFs
Two-cell cumulant generating functions
The expected density slope and profile
Conclusion and perspectives
Acknowledgments
References
The Planck mission
From wishes and hopes to bits on the ground
The Planck challenge
From bits to maps
From maps to CMB statistical characteristics
CMB map cleaning
Planck CMB spectra and likelihood
Planck CMB lensing spectrum and likelihood
CMB cosmological consequences (some)
The base ACDM model
Extensions to ACDM
Conclusions
Acknowledgements
References
The cosmological constant problem: why it's hard to get dark energy from microphysics
The problem
How would the vacuum gravitate?
Cosmology: what must be explained?
The naive ‘old’ CC problem
A more effective formulation of the ‘old’ CC problem
Criteria for a successful solution
Other CC problems
Possible approaches
Roads well travelled
Head in the sand
Anthropic arguments
Symmetries?
Modifying gravity?
A way forward?
The extradimensional loophole
Doubling down: supersymmetric extra dimensions
Reformulating the cosmological constant problem
Opportunities and worries
Summary
Acknowledgements
References
Beyond ACDM cosmology
Introduction
The cosmological constant problem
Why screen?
Screening mechanisms: a brief overview
Chameleons
Spherically symmetric source and thin-shell effect
Experimental/observational tests
Galileons
Galileon basics
Solution around spherically symmetric source
Perturbations around the spherically symmetric background
Observational test
General galileons
Summary
Acknowledgments
References
Inflationary cosmology after Planck
Introduction
Brief history of inflation
Chaotic inflation: the simplest models
Initial conditions in the simplest models of chaotic inflation
Solving the cosmological problems
Creation of matter after inflation: reheating and preheating
Quantum fluctuations and density perturbations
Universe or multiverse?
Eternal inflation
Initial conditions for low-scale inflation
Low-scale inflation and the topology of the universe
Initial conditions in models with several noninteracting scalars
Initial conditions in models with several interacting scalars
Inflation and observations
Chaotic inflation in supergravity
Cosmological attractors
Starobinsky model
Chaotic inflation in the theories with nonminimal coupling to gravity
Universal cosmological attractors
Unitarity bound?
Superconformal attractors
Chaotic inflation from conformal theory: T-model
Universality of conformal inflation
Multifield conformal attractors
Inflation as a conformon instability
x = л/б conformal gauge
a = 1 conformal gauge
Relation between gauges
Interpretation and consequences: inflation as the conformon instability
Toward inflation in string theory
de Sitter vacua in string theory
Inflation, vacuum stabilization, and the scale of supersymmetry breaking in string theory
The inflationary multiverse, the string theory landscape, and the Anthropic Principle
Conclusions
Note added
Acknowledgments
References
Large-scale structure observations
Clustering statistics
The over-density field
The correlation function
The power spectrum
Higher-order statistics
Anisotropic statistics
The comoving matter power spectrum
The matter-radiation equality scale
Neutrino masses
Baryons
Physical processes
Linear structure growth
Spherical collapse
Press—Schechter theory
Galaxy bias
Galaxy survey basics
Overview of galaxy surveys
Measuring overdensities
Measuring the power spectrum
Measuring the correlation function
Reconstructing the linear density
Lyman-a forest surveys
Observational effects
Projection and the Alcock—Paczynski effect
Redshift-space distortions
Joint AP and RSD measurements
Primordial non-Gaussianity
Summary
Making cosmological-model inferences
Exploring parameter space
Model selection
Future surveys
The next five years
Five to 20 years time
Fisher methods
Predictions for future surveys
Acknowledgements
References
Particle physics and cosmology
Introduction
Standard Model of particle physics and cosmology
History of particle physics and cosmology
Standard Model of particle physics
SM fields
SM parameters
The electroweak fit
LHC: collider, experiments, and physics goals
Higgs and cosmology
The Higgs discovery
Properties of the Higgs boson
Higgs and the early universe
The Higgs discovery calls for new physics?
Beyond the Standard Model and cosmology
Supersymmetry searches at the LHC
Minimal Supersymmetric Standard Model (MSSM) and natural spectrum
Search strategy at the LHC
SUSY Higgs searches
Direct searches for gluinos and First- and Second-generation squarks
Direct searches for third-generation squarks
Direct searches for EWKinos and sleptons
Status of R-parity conserved SUSY after LHC Run I
Escape routes: long-lived particles, R-parity violation, and others
Searches for other natural theories at the LHC
Large extra dimensions
Warped extra dimensions
Composite Higgs models
Preliminary conclusions on searches for natural theories
Other beyond the Standard Model searches at the LHC
Impact of LHC results on dark matter searches
Neutrinos and baryogenesis
The future of experimental particle physics
Conclusions
Acknowledgments
References
Galaxy formation
Introduction
Initial mass function and star formation
Star formation: general considerations
The first stars
Initial stellar mass function
From linear theory to galaxy formation
Linear theory
Nonlinear theory
Halo mass function
Comparison with observations
From mass to light: reconciling theory with observations
Galaxy luminosity function
Supernova-driven winds
Entropy barrier
Tidal disruption
The core/cusp problem
Cosmic reionization by dwarf galaxies
Computational methods in galaxy formation
A global star formation law
Disk galaxies
Formation of disk galaxies and spin alignment
Bulgeless disk galaxies
The role of AGN
Feedback from supermassive black holes
Modes of AGN feedback
Positive feedback from AGN
SMBH formation
Gas accretion in galaxies
The two modes of star formation
The SFR main sequence and starburst galaxies
Evolution of early-type galaxies
Multiple stellar populations and the AGN connection
Specific star formation rate
Efficiency of galaxy formation and downsizing of galaxies
Current issues
Dwarf galaxies
Massive galaxies
Acknowledgments
References
Inflationary observables and string theory
Introduction and motivations
Inflation: generalities
Inflationary dynamics and high-energy physics
Field range and tensor mode signature
String theory as an ultraviolet completion: effective action, stress-energy sources, and symmetries
A sample of string-theoretic inflationary mechanisms and signatures
Axions, chaotic inflation, and tensor modes
Phenomenology of axion inflation
Gravitationally redshifted D-brane inflation and strings
DBI inflation and equilateral non-Gaussianity
Planck-suppressed operators from hidden sectors
Entry and exit physics
What is the framework?
Acknowledgments
References
Computational cosmology
Cosmological simulations
General context
Periodic universes versus zoomed-in haloes
Cosmological initial conditions
Dark matter as a collisionless fluid
The Vlasov—Poisson equations
N-body techniques
Tree codes
Adaptive particle—mesh
High-performance computing
Moore’s law versus new algorithms
Massively parallel computing
Towards exascale computing?
Baryons as a collisional fluid
The Euler—Poisson equations
Computational fluid dynamics
Radiative processes
Coupling radiation to hydrodynamics
Radiative transfer techniques
Galaxy formation physics
Star formation and stellar feedback
Supermassive black hole feedback
Beyond Planck: precision computational cosmology
Accuracy of N -body techniques
Modified gravity models
The impact of baryons
References
Planck 2013 and superconformal symmetry
Introduction
Superconformal theory underlying supergravity
Canonical superconformal supergravity
The role of the sgoldstino in models with W = Sf (X0, X1)
Spontaneous breaking of the Weyl and U(1) ^-symmetries
Deformation of CSS
Deviation from the critical point Дсг = ± 6 [16]
Deviation from the critical point Дсг = 0, T-models [20]
Superconformal a-attractors
Discussion
Acknowledgments
References
Found a mistake? Please highlight the word and press Shift + Enter
Next >
Subjects
Accounting
Business & Finance
Communication
Computer Science
Economics
Education
Engineering
Environment
Geography
Health
History
Language & Literature
Law
Management
Marketing
Mathematics
Political science
Philosophy
Psychology
Religion
Sociology
Travel
Academic library - free online college e textbooks - info{at}ebrary.net - © 2014 - 2019