Talks

9037 - 9048 of 18093 Results

Beyond slow-roll - Daan Meerburg

October 28, 2014

PIRSA:14100119

Astrophysics
14/15 PSI - Conformal Field Theory - Lecture 14

Freddy Cachazo Perimeter Institute for Theoretical Physics

October 24, 2014

PIRSA:14100026
PHYS 781 - Lecture 10

Niayesh Afshordi University of Waterloo

October 24, 2014

PIRSA:14100064
14/15 PSI - Statistical Mechanics - Lecture 14

Anton Burkov University of Waterloo

October 24, 2014

PIRSA:14100102
14/15 PSI - Quantum Field Theory I (A) - Lecture 14

Tibra Ali Perimeter Institute for Theoretical Physics

Dan Wohns Perimeter Institute for Theoretical Physics

October 24, 2014

PIRSA:14100045
Non-Equilibrium Thermodynamics of a Gravitational Screen

Laurent Freidel Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100110
Holographic Thermalization and Chaos

Luis Lehner Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100108
Economic Inequality

Matteo Smerlak Capital Fund Management S.A.

October 23, 2014

PIRSA:14100109
Ergodicity and its breaking in quantum systems of many particles

Dmitry Abanin

October 23, 2014

PIRSA:14100107
PHYS 781 - Lecture 9

Niayesh Afshordi University of Waterloo

October 23, 2014

PIRSA:14100059
14/15 PSI - Statistical Mechanics - Lecture 13

Anton Burkov University of Waterloo

October 23, 2014

PIRSA:14100101
14/15 PSI - Quantum Field Theory I (A) - Lecture 13

Tibra Ali Perimeter Institute for Theoretical Physics

Dan Wohns Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100044

Beyond slow-roll - Daan Meerburg

October 28, 2014

PIRSA:14100119

Astrophysics

We live in exciting times for cosmologists. There is a plethora of cosmological experiments that allow us to reconstruct the earliest moments in the Universe and test our ideas on how the Universe came into existence. Current data appear to favor an inflationary model that produces adiabatic, scale free, Gaussian fluctuations with an amplitude of 10^-5 in units of mK. WIthin the realm of cosmological models, it appears that such conditions are easily accomplished if we have a single light field slowly rolling down its potential. In this talk, I will investigate the possibility to what extend our current observations would allow for a deviation from slow-roll: several class of models predicts that the fluctuation spectra will contain superimposed features on top of their slow-roll solution. I will discuss these models and explain a novel way of extract these features from the data, both in the power spectrum as well as in the bispectrum. I will give the latest constraints from current cosmological surveys. In light of the possible detection of primordial gravitational waves, I will show that there exists evidence (3 sigma) that the data prefer a long wavelength feature driven by axion monodromy, a model that naturally predicts large tensor modes. From this I will derive a constraint on the axion decay constant. I will conclude with a discussion on how observations of higher order statistics and large scale structure could further constrain these models.
14/15 PSI - Conformal Field Theory - Lecture 14

Freddy Cachazo Perimeter Institute for Theoretical Physics

October 24, 2014

PIRSA:14100026
PHYS 781 - Lecture 10

Niayesh Afshordi University of Waterloo

October 24, 2014

PIRSA:14100064
14/15 PSI - Statistical Mechanics - Lecture 14

Anton Burkov University of Waterloo

October 24, 2014

PIRSA:14100102
14/15 PSI - Quantum Field Theory I (A) - Lecture 14

Tibra Ali Perimeter Institute for Theoretical Physics

Dan Wohns Perimeter Institute for Theoretical Physics

October 24, 2014

PIRSA:14100045
Non-Equilibrium Thermodynamics of a Gravitational Screen

Laurent Freidel Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100110
Holographic Thermalization and Chaos

Luis Lehner Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100108
Economic Inequality

Matteo Smerlak Capital Fund Management S.A.

October 23, 2014

PIRSA:14100109
Ergodicity and its breaking in quantum systems of many particles

Dmitry Abanin

October 23, 2014

PIRSA:14100107
PHYS 781 - Lecture 9

Niayesh Afshordi University of Waterloo

October 23, 2014

PIRSA:14100059
14/15 PSI - Statistical Mechanics - Lecture 13

Anton Burkov University of Waterloo

October 23, 2014

PIRSA:14100101
14/15 PSI - Quantum Field Theory I (A) - Lecture 13

Tibra Ali Perimeter Institute for Theoretical Physics

Dan Wohns Perimeter Institute for Theoretical Physics

October 23, 2014

PIRSA:14100044

Title	Date	Collection	Type	Info
Beyond slow-roll - Daan Meerburg	2014‑10‑28	Cosmology and Gravitation	Scientific Series	View details
14/15 PSI - Conformal Field Theory - Lecture 14	2014‑10‑24	14/15 PSI - Conformal Field Theory	Course	View details
PHYS 781 - Lecture 10	2014‑10‑24	PHYS 781 - Fundamentals of Astrophysics	Course	View details
14/15 PSI - Statistical Mechanics - Lecture 14	2014‑10‑24	14/15 PSI - Statistical Mechanics	Course	View details
14/15 PSI - Quantum Field Theory I (A) - Lecture 14	2014‑10‑24	14/15 PSI - Quantum Field Theory	Course	View details
Non-Equilibrium Thermodynamics of a Gravitational Screen	2014‑10‑23		Conference	View details
Holographic Thermalization and Chaos	2014‑10‑23		Conference	View details
Economic Inequality	2014‑10‑23		Conference	View details
Ergodicity and its breaking in quantum systems of many particles	2014‑10‑23		Conference	View details
PHYS 781 - Lecture 9	2014‑10‑23	PHYS 781 - Fundamentals of Astrophysics	Course	View details
14/15 PSI - Statistical Mechanics - Lecture 13	2014‑10‑23	14/15 PSI - Statistical Mechanics	Course	View details
14/15 PSI - Quantum Field Theory I (A) - Lecture 13	2014‑10‑23		Course	View details

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Format results

Beyond slow-roll - Daan Meerburg

14/15 PSI - Conformal Field Theory - Lecture 14

PHYS 781 - Lecture 10

14/15 PSI - Statistical Mechanics - Lecture 14

14/15 PSI - Quantum Field Theory I (A) - Lecture 14

Non-Equilibrium Thermodynamics of a Gravitational Screen

Holographic Thermalization and Chaos

Economic Inequality

Ergodicity and its breaking in quantum systems of many particles

PHYS 781 - Lecture 9

14/15 PSI - Statistical Mechanics - Lecture 13

14/15 PSI - Quantum Field Theory I (A) - Lecture 13

Beyond slow-roll - Daan Meerburg

14/15 PSI - Conformal Field Theory - Lecture 14

PHYS 781 - Lecture 10

14/15 PSI - Statistical Mechanics - Lecture 14

14/15 PSI - Quantum Field Theory I (A) - Lecture 14

Non-Equilibrium Thermodynamics of a Gravitational Screen

Holographic Thermalization and Chaos

Economic Inequality

Ergodicity and its breaking in quantum systems of many particles

PHYS 781 - Lecture 9

14/15 PSI - Statistical Mechanics - Lecture 13

14/15 PSI - Quantum Field Theory I (A) - Lecture 13