'Scalar tensor' presentation slideshows

621 views • 62 slides

L. Perivolaropoulos leandros.physics.uoi.gr Department of Physics University of Ioannina

Open page. Crossing the Phantom Divide: Observational Status and Theoretical Implications. L. Perivolaropoulos http://leandros.physics.uoi.gr Department of Physics University of Ioannina. Talk Made in Corfu-Greece Summer 2006. Main Points.

624 views • 51 slides

Beyond Dark Matter and Dark Energy Sean Carroll

Beyond Dark Matter and Dark Energy Sean Carroll. Beyond Dark Matter and Dark Energy. Sean Carroll, Caltech. 70% dark energy. We think that 95% of the universe is dark. But what if gravity is tricking us?. 5% ordinary matter. 25% dark matter. General relativity : gravity is the

493 views • 47 slides

Luca Amendola INAF/Osservatorio Astronomico di Roma

590 views • 41 slides

of gravity

366 views • 36 slides

Modified Gravity

Modified Gravity. Takeshi Chiba Nihon University. Why?. Why?. 1. A theory predicts the modification!: Scalar-Tensor Gravity 2. The Nature of Dark Matter is unkown: MOdified Newtonian Dynamics(MOND) 3. The Nature of Dark Energy is completely unkown: F(R) type gravity

702 views • 30 slides

327 views • 24 slides

(cosmological) tests of acceleration: why and what

352 views • 24 slides

The Darkness of the Universe: The Heart of Darkness

The Darkness of the Universe: The Heart of Darkness. Eric Linder Lawrence Berkeley National Laboratory. New Frontiers. Beyond Einstein: What happens when gravity is no longer an attractive force?. Scientific American.

526 views • 23 slides

L. Perivolaropoulos leandros.physics.uoi.gr Department of Physics University of Ioannina

Open page. Challenges for ?CDM and Growth of Dark Energy Perturbations in Scalar-Tensor Cosmologies. L. Perivolaropoulos http://leandros.physics.uoi.gr Department of Physics University of Ioannina. Main Points.

226 views • 22 slides

L. Perivolaropoulos leandros.physics.uoi.gr Department of Physics University of Ioannina

Open page. Accelerating Universe and Scalar-Tensor Theories. L. Perivolaropoulos http://leandros.physics.uoi.gr Department of Physics University of Ioannina. Main Points. Dark Energy Equation of State w(z)=p/? may be crossing the w=-1 line. Minimally Coupled Quintessence is

309 views • 20 slides

XXIII Colloquium IAP July 2007

250 views • 13 slides

Fading Gravity and Self-Inflation

Fading Gravity and Self-Inflation. Justin Khoury (Perimeter Institute). hep-th/0610???. Motivation: Widely studied modifications of gravity, e.g. large extra dimensions, typically lead to stronger gravity at short distances. 2 ways to see this:. 1. Deviation from inverse-square law:.

233 views • 13 slides

XXIII Colloquium IAP July 2007

147 views • 13 slides