Browsing Department of Materials Science and Metallurgy by Author "Marsh, Carl Marc"
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A new class of de Sitter vacua in type IIB large volume compactifications
Gallego, Diego; Marsh, Carl Marc; Vercnocke, Bert; Wrase, Timm (JOURNAL OF HIGH ENERGY PHYSICS, 2017-10-26)
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Inhomogeneous initial data and small-field inflation
Marsh, Carl Marc; Barrow, John David; Ganguly, C (IoPJournal of Cosmology and Astroparticle Physics, 2018-05-08)We consider the robustness of small-field inflation in the presence of scalar field inhomo- geneities. Previous numerical work has shown that if the scalar potential is flat only over a narrow in- terval, such as in commonly ...
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Seven lessons from manyfield inflation in random potentials
Dias, Mafalda; Frazer, Jonathan; Marsh, Carl Marc (IoPJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2018-01)We study inflation in models with many interacting fields subject to randomly generated scalar potentials. We use methods from non-equilibrium random matrix theory to construct the potentials and an adaption of the ‘transport ...