Paul J. Steinhardt

Director, Center for Theoretical Science &
Professor of Physics
Princeton University
Princeton, NJ 08544-0708

Photo, Biographical Sketch, C.V.:
Click HERE

Office: Jadwin 214
1-609-258-1509
steinh@princeton.edu

Click HERE for better version.

If you can't see one or the other, add or upgrade your Shockwave Player
or ask your systems manager to do so

 

For a popular introduction on the
Cyclic and Inflationary Universe:


Icosahedral Photonic Quasicrystal and its Brillouin Zone (color)

Before the Big Bang
(Discover Article: February 2005)

NEW! Non-gaussianity: A New Prediction of the Cyclic Model

Why the cosmological constant is small and positive

The Cyclic Universe Simplified
(brief introduction for students)

NEW! An Introduction to the Cyclic Universe
(review for students)

Answers to Frequently Asked Questions about Cyclic Models

Cyclocosmos: A Poem by Bill Robinson
(a poetic rendition of the cyclic model)

New Approach for Resolving the Cosmological Singularity and the Big Crunch/Big Bang Transition

A Cyclic Model of the Universe (the original SCIENCE paper)

Cosmic Evolution in a Cyclic Universe (a full technical discussion)

Cosmological Perturbations: Myths and Facts
(addresses common myths about inflation and scale-invariant perturbations)

How to Generate a Nearly Scale-invariant, Adiabatic, Gaussian Spectrum of Density Perturbations: A Unified Approach

Cosmological Perturbations in a Big Bang/Big Crunch Cosmology
A general relativistic treatment tracking cosmological perturbations through a bounce between branes (highly technical)

How to Design Cyclic Universe Models
and satisfy all known cosmological constraints

What do Inflation and Cyclic models REALLY predict for the spectral tilt?
A model independent treatment with a surprising conclusion.

The Origin of Density Fluctuations in the Cyclic Universe (An Introduction)

A Brief Introduction to the Ekpyrotic Universe (for the non-scientist)
Note: The Ekpyrotic model is a precursor to the Cyclic Model

New Light on Dark Matter

A Quintessential Introduction to Dark Energy

Quintessence?:
A technical overview

The Cosmic Triangle and the State of the Universe

A dramatic example of the CMB degeneracy problem
comparing best-fit Lambda (CLOSED) model with best-fit Q model (FLAT): two model curves are virtually indistinguishable
[ignore older data which is superimposed]

Strongly self-interacting dark matter?

Computing the Non-linear Mass Correlation Function
(from ``A Simple Method for Computing the Non-Linear Mass Correlation Function with Implications for Stable Clustering," R. Caldwell, R. Juskiewicz, and F. Bouchet), astro-ph/9912395)

Cosmocard

Theoretical Cosmology in Jadwin Hall

Experimental astrophysics and cosmology in Jadwin Hall

Astrophysics and cosmology in Peyton Hall

What are Quasicrystals?
A Brief Pictorial Introduction
(.ppt file to download)) with images of ideal quasicrystal patterns and real quasicrystals

Photonic quasicrystals

New Paradigm for the Structure of Quasicrystals

Current Activities

Theoretical condensed matter physics in Jadwin Hall

Experimental condensed matter physics in Jadwin Hall