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We analyze the advent and development of eight scientific fields from their inception to maturity and map the evolution of their networks of collaboration over time, measured in terms of co-authorship of scientific papers. We show that as a field develops it undergoes a topological transition in its collaboration structure between a small disconnected graph… (More)

We analyze the temporal evolution of emerging fields within several scientific disciplines in terms of numbers of authors and publications. From bibliographic searches we construct databases of authors, papers, and their dates of publication. We show that the temporal development of each field, while different in detail, is well described by population… (More)

- M A Luı´s, Bettencourt, Ariel Cintro´n-Arias, David I Kaiser, Carlos Castillo-Cha´vez
- 2006

The population dynamics underlying the diffusion of ideas hold many qualitative similarities to those involved in the spread of infections. In spite of much suggestive evidence this analogy is hardly ever quantified in useful ways. The standard benefit of modeling epidemics is the ability to estimate quantitatively population average parameters, such as… (More)

- Alan H Guth, David I Kaiser
- Science (New York, N.Y.)
- 2005

Understanding the behavior of the universe at large depends critically on insights about the smallest units of matter and their fundamental interactions. Inflationary cosmology is a highly successful framework for exploring these interconnections between particle physics and gravitation. Inflation makes several predictions about the present state of the… (More)

- M A Luís, David I Bettencourt, Kaiser, Bettencourt, David I Kaiser
- 2015

SFI Working Papers contain accounts of scienti5ic work of the author(s) and do not necessarily represent the views of the Santa Fe Institute. We accept papers intended for publication in peer-‐reviewed journals or proceedings volumes, but not papers that have already appeared in print. Except for papers by our external faculty, papers must be based on work… (More)

- Jason Gallicchio, Andrew S Friedman, David I Kaiser
- Physical review letters
- 2014

We propose a practical scheme to use photons from causally disconnected cosmic sources to set the detectors in an experimental test of Bell's inequality. In current experiments, with settings determined by quantum random number generators, only a small amount of correlation between detector settings and local hidden variables, established less than a… (More)

- David I Kaiser
- 1997

We extend recent work on the resonance structure for post-inflation reheating, providing an analytic treatment for models in which both the inflaton and the fields into which it decays are massless. Solutions are derived which are valid for either a spatially-flat or spatially-open metric. Closed-form solutions are given for the characteristic exponent,… (More)

- Citation Gallicchio, Jason, Andrew S Friedman, David I Kaiser
- 2014

Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters.

- David I Kaiser, Evangelos I Sfakianakis
- Physical review letters
- 2014

Multifield models of inflation with nonminimal couplings are in excellent agreement with the recent results from Planck. Across a broad range of couplings and initial conditions, such models evolve along an effectively single-field attractor solution and predict values of the primordial spectral index and its running, the tensor-to-scalar ratio, and… (More)

- Christopher D Beland, David I Kaiser, Leo Marx
- 2002

The author hereby grants to MIT permission to reproduce and to distribute publicly paper and electronic copies of this thesis document in whole or in part. This document may be reproduced, distributed, transmitted, and displayed in any medium, in whole or in part, provided this copyright notice is preserved, and provided any omissions, modifications, or… (More)

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