39 Backreaction PPTs View free & download

Dark Energy from Backreaction PowerPoint PPT Presentation

Dark Energy from Backreaction - Title: No Slide Title Last modified by: tob Created Date: 5/5/2001 10:46:42 PM Document presentation format: On-screen Show Other titles: Times New Roman MS PGothic ...

Title: No Slide Title Last modified by: tob Created Date: 5/5/2001 10:46:42 PM Document presentation format: On-screen Show Other titles: Times New Roman MS PGothic ...

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Backreaction The effect of clumpiness in cosmology PowerPoint PPT Presentation

Backreaction The effect of clumpiness in cosmology - Observed distances in the late universe are a factor of 2 longer than predicted ... on light propagation was first studied by Zel'dovich and Feynman in 1964. ...

Observed distances in the late universe are a factor of 2 longer than predicted ... on light propagation was first studied by Zel'dovich and Feynman in 1964. ...

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Backreaction as an alternative to dark energy and modified gravity PowerPoint PPT Presentation

Backreaction as an alternative to dark energy and modified gravity - The early universe is well described by a model which is homogeneous and ... Assuming statistical homogeneity and isotropy, the redshift is given by the scale factor: ...

The early universe is well described by a model which is homogeneous and ... Assuming statistical homogeneity and isotropy, the redshift is given by the scale factor: ...

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Backreaction as an alternative to dark energy and modified gravity - The early universe is well described by a model which is homogeneous and ... The average expansion rate is evaluated on the spatial hypersurface of proper time. ...

The early universe is well described by a model which is homogeneous and ... The average expansion rate is evaluated on the spatial hypersurface of proper time. ...

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3 Perturbative UV Backreaction: PowerPoint PPT Presentation

3 Perturbative UV Backreaction: - Institute for Theory and Computation, Harvard-Smithsonian Center for ... Prelude. In this poster, I discuss how back-reaction of large amplitude inhomogeneities ...

Institute for Theory and Computation, Harvard-Smithsonian Center for ... Prelude. In this poster, I discuss how back-reaction of large amplitude inhomogeneities ...

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Classical and Quantum Screening in AdS gravity PowerPoint PPT Presentation

Classical and Quantum Screening in AdS gravity - Classical and Quantum Screening in AdS gravity. Oriol Pujol s. New York University ... Without backreaction, (super)critical DWs generate horizon ...

Classical and Quantum Screening in AdS gravity. Oriol Pujol s. New York University ... Without backreaction, (super)critical DWs generate horizon ...

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Dark Energy: Taking Sides PowerPoint PPT Presentation

Dark Energy: Taking Sides - consists of snatching from the enormous and complex mass ... Capitol Hill. 514 15th Ave E. Seattle WA 98112. 206.568.BOOM. Easy Street Records. 20 Mercer Street ...

consists of snatching from the enormous and complex mass ... Capitol Hill. 514 15th Ave E. Seattle WA 98112. 206.568.BOOM. Easy Street Records. 20 Mercer Street ...

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Dark Energy from Structure Formation PowerPoint PPT Presentation

Dark Energy from Structure Formation - Dark Energy from Structure Formation. Thomas Buchert. LMU-ASC Munich, Germany ... quintessence. Friedmann = 0. Cosmic Phase Diagram = 0. Dark Energy equation of state ...

Dark Energy from Structure Formation. Thomas Buchert. LMU-ASC Munich, Germany ... quintessence. Friedmann = 0. Cosmic Phase Diagram = 0. Dark Energy equation of state ...

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Accelerating Cosmological Expansion from Shear and Bulk Viscosity PowerPoint PPT Presentation

Accelerating Cosmological Expansion from Shear and Bulk Viscosity - Accelerating Cosmological Expansion from Shear and Bulk Viscosity Urs Achim Wiedemann CERN PH-TH S. Floerchinger, N. Tetradis, U.A. Wiedemann Rencontres de Moriond ...

Accelerating Cosmological Expansion from Shear and Bulk Viscosity Urs Achim Wiedemann CERN PH-TH S. Floerchinger, N. Tetradis, U.A. Wiedemann Rencontres de Moriond ...

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Boundary effects of electromagnetic vacuum fluctuations on charged particles Department of Physics N PowerPoint PPT Presentation

Boundary effects of electromagnetic vacuum fluctuations on charged particles Department of Physics N - ... the perfectly conducting plate surface located at the z=0 plane vanish. ... to the fact that E fields parallel to the plate surface vanish on the boundary. ...

... the perfectly conducting plate surface located at the z=0 plane vanish. ... to the fact that E fields parallel to the plate surface vanish on the boundary. ...

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2D Solitons in Dipolar BECs PowerPoint PPT Presentation

2D Solitons in Dipolar BECs - of motion for the Bose field operator. separate, like before ... Dynamics of a partially condensed Bose gas calculated via a nonlinear TDHFB model ...

of motion for the Bose field operator. separate, like before ... Dynamics of a partially condensed Bose gas calculated via a nonlinear TDHFB model ...

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Rise and Fall of HI PowerPoint PPT Presentation

Rise and Fall of HI - ... Billions of galaxies, HI mass function evolution poorly ... Jy- mJy (up to 1016 M?? of HI) Angular scale 5' T 30', freq res 500 khz. Challenging theory ...

... Billions of galaxies, HI mass function evolution poorly ... Jy- mJy (up to 1016 M?? of HI) Angular scale 5' T 30', freq res 500 khz. Challenging theory ...

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BOTTOM-UP HOLOGRAPHIC APPROACH TO QCD PowerPoint PPT Presentation

BOTTOM-UP HOLOGRAPHIC APPROACH TO QCD - Title: BOTTOM-UP HOLOGRAPHIC APPROACH TO QCD Last modified by: User Document presentation format: Other titles: Palatino ...

Title: BOTTOM-UP HOLOGRAPHIC APPROACH TO QCD Last modified by: User Document presentation format: Other titles: Palatino ...

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Holographic Charge Density Waves PowerPoint PPT Presentation

Holographic Charge Density Waves - Holographic Charge Density Waves Lefteris Papantonopoulos National Technical University of Athens In collaboration with A. Aperis, P. Kotetes, G Varelogannis

Holographic Charge Density Waves Lefteris Papantonopoulos National Technical University of Athens In collaboration with A. Aperis, P. Kotetes, G Varelogannis

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N-spheres: regular black holes without apparent horizons, static wormholes with event horizons and gravastars with a tube-like core PowerPoint PPT Presentation

N-spheres: regular black holes without apparent horizons, static wormholes with event horizons and gravastars with a tube-like core - Alternative: under BH horizon - singular or regular centre? ... Composite objects interpolating between BH and gravastars: horizon in the limit. ...

Alternative: under BH horizon - singular or regular centre? ... Composite objects interpolating between BH and gravastars: horizon in the limit. ...

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Inflation and the origin of structure PowerPoint PPT Presentation

Inflation and the origin of structure - advertisement: see talk by Andy Mennim on Monday! primordial perturbations from scalar fields ... Lyth & Rodriguez (2005) non-Gaussianity from curvaton decay ...

advertisement: see talk by Andy Mennim on Monday! primordial perturbations from scalar fields ... Lyth & Rodriguez (2005) non-Gaussianity from curvaton decay ...

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DN formalism for Superhorizon Perturbations and its Nonlinear Extension PowerPoint PPT Presentation

DN formalism for Superhorizon Perturbations and its Nonlinear Extension - DN formalism for. Superhorizon Perturbations. and its Nonlinear Extension. Misao Sasaki ... 3. dN formalism. Starobinsky '85, MS & Stewart '96, ...

DN formalism for. Superhorizon Perturbations. and its Nonlinear Extension. Misao Sasaki ... 3. dN formalism. Starobinsky '85, MS & Stewart '96, ...

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THE GRACEFUL EXIT FROM INFLATION AND DARK ENERGY PowerPoint PPT Presentation

THE GRACEFUL EXIT FROM INFLATION AND DARK ENERGY - Vacuum fluctuates and thereby contributes to the stress-energy ... (awaits confirmation from a 2 loop calculation: hard) [Tsamis, Woodard, ~1995] EXPLANATION? ...

Vacuum fluctuates and thereby contributes to the stress-energy ... (awaits confirmation from a 2 loop calculation: hard) [Tsamis, Woodard, ~1995] EXPLANATION? ...

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Concordance model - Concordance model

Concordance model

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Homochirality through enantiomeric crossinhibition PowerPoint PPT Presentation

Homochirality through enantiomeric crossinhibition - Chirality and origin of life. Life: plausible with left/right handed nucleotides ... Source of chirality: Polarized light, electroweak interaction ...

Chirality and origin of life. Life: plausible with left/right handed nucleotides ... Source of chirality: Polarized light, electroweak interaction ...

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Rocky Kolb, University of Chicago PowerPoint PPT Presentation

Rocky Kolb, University of Chicago - consists of snatching from the enormous and complex mass of ... Gemma Frisius. 16th century Dutch astronomer. Standard cosmological model* * Do we want one? ...

consists of snatching from the enormous and complex mass of ... Gemma Frisius. 16th century Dutch astronomer. Standard cosmological model* * Do we want one? ...

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Thermalization of Gauge Theory and Gravitational Collapse PowerPoint PPT Presentation

Thermalization of Gauge Theory and Gravitational Collapse - In large Nc, strong coupling limit, string theory in AdS5xS5 background is dual to N=4 SYM ... hologram of the debris. Q. Qbar. SL, E.Shuryak arXiv:0711.0736 [hep-th] ...

In large Nc, strong coupling limit, string theory in AdS5xS5 background is dual to N=4 SYM ... hologram of the debris. Q. Qbar. SL, E.Shuryak arXiv:0711.0736 [hep-th] ...

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Gamma-Ray Bursts A Puzzle Being Resolved Tsvi Piran HU, Jerusalem (also Columbia and NYU) During the last years one of the longest open mysteries in Astrophysics is being resolved. - Gamma-Ray Bursts (GRBs) Short (few seconds) bursts of ... The flux distribution (paucity of weak bursts) shows that the bursts cannot be ...

Gamma-Ray Bursts (GRBs) Short (few seconds) bursts of ... The flux distribution (paucity of weak bursts) shows that the bursts cannot be ...

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d N formalism for curvature perturbations from inflation PowerPoint PPT Presentation

d N formalism for curvature perturbations from inflation - Standard (single-field, slowroll) inflation predicts scale-invariant Gaussian ... fiducial `background' contains GW (~ tensor) modes. gradient expansion: metric: ...

Standard (single-field, slowroll) inflation predicts scale-invariant Gaussian ... fiducial `background' contains GW (~ tensor) modes. gradient expansion: metric: ...

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Renormalization in PowerPoint PPT Presentation

Renormalization in - ... is on: LIGO (US), VIRGO (Italy), GEO (Hannover), TAMA ... Finite size effects, e.g. 'Love numbers', Damour and collab; Poisson. Black hole stereotyping ...

... is on: LIGO (US), VIRGO (Italy), GEO (Hannover), TAMA ... Finite size effects, e.g. 'Love numbers', Damour and collab; Poisson. Black hole stereotyping ...

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How Mind-Body Interactions Surmount the Uncertainty Principle Richard L. Amoroso Noetic Advanced Studies Institute PowerPoint PPT Presentation

How Mind-Body Interactions Surmount the Uncertainty Principle Richard L. Amoroso Noetic Advanced Studies Institute - The CS Provides A Standing Wave Present From Future-Past Elements In A CS Spin ... discretization similar to wave-particle duality & the Dirac spherical rotation ...

The CS Provides A Standing Wave Present From Future-Past Elements In A CS Spin ... discretization similar to wave-particle duality & the Dirac spherical rotation ...

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Accelerated expansion from structure formation PowerPoint PPT Presentation

Accelerated expansion from structure formation - Galileo Galilei Institute workshop, Florence, October 5, 2006. 2 ... Galileo Galilei Institute workshop, Florence, October 5, 2006. 11. z = 2.0. OQ = 0.26 ...

Galileo Galilei Institute workshop, Florence, October 5, 2006. 2 ... Galileo Galilei Institute workshop, Florence, October 5, 2006. 11. z = 2.0. OQ = 0.26 ...

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Energie Noire et Paramtres Cosmologiques : PowerPoint PPT Presentation

Energie Noire et Paramtres Cosmologiques : - Hypoth ses justes ajout nouvelle composante dynamique : DE ... eg th ories tenseur-scalaire et th ories avec ajout de terme de courbure scalaire. ...

Hypoth ses justes ajout nouvelle composante dynamique : DE ... eg th ories tenseur-scalaire et th ories avec ajout de terme de courbure scalaire. ...

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Progress report : PowerPoint PPT Presentation

Progress report : - Progress report : Holographic chiral symmetry. O.Bergman, S. Seki. B. ... One would like to have a holographic dual of the GOR relation. That states that ...

Progress report : Holographic chiral symmetry. O.Bergman, S. Seki. B. ... One would like to have a holographic dual of the GOR relation. That states that ...

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On Holographic stringy Baryons PowerPoint PPT Presentation

On Holographic stringy Baryons - The holographic duals of baryons are instantons of a five dimensional flavor gauge theory. ... the deviations of the full holographic model from the toy model? ...

The holographic duals of baryons are instantons of a five dimensional flavor gauge theory. ... the deviations of the full holographic model from the toy model? ...

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observational evidences of CR acceleration at shocks PowerPoint PPT Presentation

observational evidences of CR acceleration at shocks - ... I am going to discuss, so bear with me if I say something trivial ... source located several AU closer to the sun. and closer to the pole than Voyager 1 ...

... I am going to discuss, so bear with me if I say something trivial ... source located several AU closer to the sun. and closer to the pole than Voyager 1 ...

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JeanMarc Virey Centre de Physique Thorique PowerPoint PPT Presentation

JeanMarc Virey Centre de Physique Thorique - Hypoth ses justes ajout nouvelle composante dynamique : DE ... avec ajout de terme de courbure scalaire, ou mod les de ' back-reactions ' avec ...

Hypoth ses justes ajout nouvelle composante dynamique : DE ... avec ajout de terme de courbure scalaire, ou mod les de ' back-reactions ' avec ...

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JeanMarc Virey Centre de Physique Thorique - Quintessence (Peebles, Wetterich, Steinhardt ...): f - V(f), fin, fin ... 2 scalar fields : Quintessence Phantom ... back-reactions Quintessence. First tentative ...

Quintessence (Peebles, Wetterich, Steinhardt ...): f - V(f), fin, fin ... 2 scalar fields : Quintessence Phantom ... back-reactions Quintessence. First tentative ...

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What happened to the rmodes PowerPoint PPT Presentation

What happened to the rmodes - ... strange or hybrid stars may reach quasi-equilibrium and radiate persistent GWs. ... Current evidence: r-mode GWs would be detectable within our galaxy provided ...

... strange or hybrid stars may reach quasi-equilibrium and radiate persistent GWs. ... Current evidence: r-mode GWs would be detectable within our galaxy provided ...

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Observational constraints on dark energy - Observational constraints on dark energy

Observational constraints on dark energy

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Black Holes, Black Rings and their Microstates PowerPoint PPT Presentation

Black Holes, Black Rings and their Microstates - Count Black Hole Microstates (branes strings) Correctly ... Classical moduli space of microstates solutions has infinite dimension ! More general solutions ...

Count Black Hole Microstates (branes strings) Correctly ... Classical moduli space of microstates solutions has infinite dimension ! More general solutions ...

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GR-hydro - Title: GR-hydro Author: Toni Font Last modified by: Jos Antonio Font Roda Created Date: 9/16/2001 6:44:53 AM Document presentation format: Presentaci n en pantalla

Title: GR-hydro Author: Toni Font Last modified by: Jos Antonio Font Roda Created Date: 9/16/2001 6:44:53 AM Document presentation format: Presentaci n en pantalla

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GRhydro - Institute for Pure and Applied Mathematics, University of California, Los Angeles, May 2005 ... Foliate the spacetime with t=const spatial hypersurfaces St ...

Institute for Pure and Applied Mathematics, University of California, Los Angeles, May 2005 ... Foliate the spacetime with t=const spatial hypersurfaces St ...

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V'Boschi, V' Sannibale PowerPoint PPT Presentation

V'Boschi, V' Sannibale - 4 MGAS Springs: Spring Box (SB) Optical Table (OT) - Payload (mode cleaner. suspensions, etc. ... the accuracy and remove degrees of freedom to check the ...

4 MGAS Springs: Spring Box (SB) Optical Table (OT) - Payload (mode cleaner. suspensions, etc. ... the accuracy and remove degrees of freedom to check the ...

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Backreaction PowerPoint PPT Presentations