On the nature of dark matter structures, and the growth of charged atmospheric aerosols

Research output: Book/Report › Ph.D. thesis › Research

Standard

On the nature of dark matter structures, and the growth of charged atmospheric aerosols. / Svensmark, Jacob.

Niels Bohr Institute, Faculty of Science, University of Copenhagen, 2019. 134 p.

Research output: Book/Report › Ph.D. thesis › Research

Harvard

Svensmark, J 2019, On the nature of dark matter structures, and the growth of charged atmospheric aerosols. Niels Bohr Institute, Faculty of Science, University of Copenhagen.

APA

Svensmark, J. (2019). On the nature of dark matter structures, and the growth of charged atmospheric aerosols. Niels Bohr Institute, Faculty of Science, University of Copenhagen.

Vancouver

Svensmark J. On the nature of dark matter structures, and the growth of charged atmospheric aerosols. Niels Bohr Institute, Faculty of Science, University of Copenhagen, 2019. 134 p.

Author

Svensmark, Jacob. / On the nature of dark matter structures, and the growth of charged atmospheric aerosols. Niels Bohr Institute, Faculty of Science, University of Copenhagen, 2019. 134 p.

Bibtex

@phdthesis{ec095ec3a7ee4d2cbbb9a3d80b0bf3f9,
title = "On the nature of dark matter structures, and the growth of charged atmospheric aerosols",
abstract = "In my thesis I have focused on two main categories of research: The nature of dark matter structures, and the effect of cosmic rays on terrestrial cloud formation. On the dark matter, I take two approaches to testing our standard model: First I measure the movement of dark matter in the Perseus galaxy cluster, and second employ the IllustrisTNG simulation to revisit the weak gravitational galaxy-galaxy lensing signal, which has recently been found in tension with ΛCDM. In both cases I find my observations to be consistent with the standard model. On the influence of cosmic rays on cloud formation: It turns out that atmospheric ions produced by cosmic rays accelerate the growth of aerosols towards sizes where they can effect terrestrial clouds. This is demonstrated in both a laboratory experiment and a numerical model. If this accelerating mechanism works in Earth's atmosphere, cosmic rays from the Milky Way could potentially be affecting clouds, which is a climate mechanism unaccounted for at present.",
author = "Jacob Svensmark",
year = "2019",
language = "English",
publisher = "Niels Bohr Institute, Faculty of Science, University of Copenhagen",

}

RIS

TY - BOOK

T1 - On the nature of dark matter structures, and the growth of charged atmospheric aerosols

AU - Svensmark, Jacob

PY - 2019

Y1 - 2019

N2 - In my thesis I have focused on two main categories of research: The nature of dark matter structures, and the effect of cosmic rays on terrestrial cloud formation. On the dark matter, I take two approaches to testing our standard model: First I measure the movement of dark matter in the Perseus galaxy cluster, and second employ the IllustrisTNG simulation to revisit the weak gravitational galaxy-galaxy lensing signal, which has recently been found in tension with ΛCDM. In both cases I find my observations to be consistent with the standard model. On the influence of cosmic rays on cloud formation: It turns out that atmospheric ions produced by cosmic rays accelerate the growth of aerosols towards sizes where they can effect terrestrial clouds. This is demonstrated in both a laboratory experiment and a numerical model. If this accelerating mechanism works in Earth's atmosphere, cosmic rays from the Milky Way could potentially be affecting clouds, which is a climate mechanism unaccounted for at present.

AB - In my thesis I have focused on two main categories of research: The nature of dark matter structures, and the effect of cosmic rays on terrestrial cloud formation. On the dark matter, I take two approaches to testing our standard model: First I measure the movement of dark matter in the Perseus galaxy cluster, and second employ the IllustrisTNG simulation to revisit the weak gravitational galaxy-galaxy lensing signal, which has recently been found in tension with ΛCDM. In both cases I find my observations to be consistent with the standard model. On the influence of cosmic rays on cloud formation: It turns out that atmospheric ions produced by cosmic rays accelerate the growth of aerosols towards sizes where they can effect terrestrial clouds. This is demonstrated in both a laboratory experiment and a numerical model. If this accelerating mechanism works in Earth's atmosphere, cosmic rays from the Milky Way could potentially be affecting clouds, which is a climate mechanism unaccounted for at present.

M3 - Ph.D. thesis

BT - On the nature of dark matter structures, and the growth of charged atmospheric aerosols

PB - Niels Bohr Institute, Faculty of Science, University of Copenhagen

ER -

ID: 257744429