Space, Earth and Environment

LARA LEKO, student in the Environmental science master’s programme, will present the thesis The diurnal cycle of cloud ice water path - A global diurnal analysis of ice water path as seen from Chalmers Cloud Ice Climatology.
Opponents: Edvin Dannäs
Supervisor: Patrick Eriksson
Examiner: Patrick Eriksson
Location: Seminar room EL52, Address Hörsalsvägen 11, House EDIT, floor 5

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William Hillard, student in the Physics master's programme presents the thesis&nbsp;Simulation and analysis of planet impact parameters and their role on planetary configurations.
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<div class="x_elementToProof">Opponent:&nbsp; Alfred Juhlin Onbeck and Johan Albråten.</div>
Examiner: Carina Persson
Supervisor: Niloofar Khorshid och Emil Knudstrup
Lecture hall: EB, Hörsalsvägen 11, Edit, fl 4
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Edvin Dannäs, student in the Engineering mathematics and Computational&nbsp;science master’s program, will present the thesis ”MACHI – Minimal&nbsp;atmospheric correction for hyperspectral imagers – Development and&nbsp;validation of a novel algorithm”.
Supervisor: Dr. Joseph Landon Garrett
Opponent: Lara Leko
Examiner: Prof. Patrick Eriksson
Location: Seminar room EL52, Address Hörsalsvägen 11, House EDIT, floor 5

Hanna Bergman, student in the study programme Högskoleingenjör Elektroteknik (TIELL), will present her degree project "Direct Current Leakage in CNF-MIM Capacitors with High-k Dielectric and TiN electrode”
Opponent: Kevin Bältner
Supervisor: Farzan Ghavanini, Smoltek Semi AB
Examiner: Arto Heikkilä
Location: Room EB, Hörsalsvägen 11, EDIT-huset, floor 4

Konstantinos Topalakis presents his thesis: "The Impact of Dark Matter Annihilation on Massive Protostellar Structures”
Supervisor: Jonathan Tan
Co-Supervisor: Devesh Nandal
Examiner: Maria Sundin
Opponent: Ioannis Moutsis
Location: Gröna Rummet, Maskingränd 2, EDIT-building, floor 3Ö
Abstract:&nbsp;
In this work, we explore how self-annihilating dark matter can reshape the birth and&nbsp;evolution of primordial Population III.1 stars by incorporating Weakly Interacting&nbsp;Massive Particles (WIMPs) energy injection into a one-dimensional stellar evolution&nbsp;code (GENEC). By systematically varying ambient dark matter density, baryonic&nbsp;accretion rate, WIMP mass, and scattering cross-section, we identify the regimes in&nbsp;which annihilation heating overwhelms both gravitational contraction and nuclear&nbsp;burning, giving rise to bloated dark matter powered protostars that bypass the&nbsp;classical zero-age main-sequence. We show that only under sufficiently high dark&nbsp;matter densities does collapse stall, inflating the protostar onto a cool, Hayashi-like&nbsp;track and suppressing its thermonuclear ignition for up to 100,000 years, during&nbsp;which it can accrete to supermassive scales. These Pop III.1 protostars—appearing as&nbsp;cool, infrared-bright supergiants at high redshift—offer a viable pathway to seeding&nbsp;the supermassive black holes observed in the early universe.

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Presentation of master thesis

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Presentation of master thesis

Master's thesis presentations at Space, Earth and Environment

10 June

10:00 - Lara Leko

10:00 - William Hillard

11:00 - Edvin Dannäs

13 June

10:00 - Hanna Bergman, Högskoleingenjör, Elektroteknik (TIELL)

18 June

14:00 - Konstantinos Topalakis