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Matthew Abernathy

Researcher at American University

Publications -  76
Citations -  20682

Matthew Abernathy is an academic researcher from American University. The author has contributed to research in topics: Gravitational wave & LIGO. The author has an hindex of 42, co-authored 76 publications receiving 17886 citations. Previous affiliations of Matthew Abernathy include Johns Hopkins University Applied Physics Laboratory & United States Naval Research Laboratory.

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Improving the mechanical quality factor of ultra-low-loss silicon resonators

TL;DR: In this article, a silicon mechanical resonator with a very high quality factor at liquid helium temperatures is found to have two energy loss mechanisms which can be removed with a 3'h anneal at 300'°C.
Posted Content

Directional limits on gravitational waves using LIGO S5 science data

B. P. Abbott, +713 more
TL;DR: In this paper, the authors presented 90% confidence level (CL) upper-limit maps of GW strain power with typical values between 2-20x10^-50 strain and 5-35x10−49 strain for pointlike and extended sources respectively.
Posted Content

Virgo data characterization and impact on gravitational wave searches

TL;DR: In this article, the authors present examples from the joint LIGO-GEO-Virgo GW searches to show how well noise transients and narrow spectral lines have been identified and excluded from the Virgo data.
Proceedings ArticleDOI

Investigation of the Young's modulus and thermal expansion of amorphous titania-doped tantala films

TL;DR: In this paper, the Young's modulus and thermal expansion of tantala coatings as a function of heat treatment and titania-doping were measured using nanoindentation and thermal bending techniques.
Journal ArticleDOI

Manipulation of Glassy State in Amorphous Selenium by Low-temperature Internal Friction Measurements

TL;DR: In this article, the thickness and quench-rate dependent internal friction of amorphous selenium (a-Se) thin films deposited at room temperature was studied, and it was shown that a faster quench rate freezes a-Se to a lower density structure with a higher TLS density and vice versa.