SCOAP3 Repository 7 records found  Search took 0.01 seconds. 
1. Dark energy as a remnant of inflation and electroweak symmetry breaking / Dimopoulos, Konstantinos ; Markkanen, Tommi
It is shown that dark energy can be obtained from the interplay of the Higgs boson and the inflaton. [...]
Published in JHEP 1901 (2019) 029 10.1007/JHEP01(2019)029 arXiv:1807.04359
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2. The 1-loop effective potential for the Standard Model in curved spacetime / Markkanen, Tommi ; Nurmi, Sami ; Rajantie, Arttu ; Stopyra, Stephen
The renormalisation group improved Standard Model effective potential in an arbitrary curved spacetime is computed to one loop order in perturbation theory. [...]
Published in JHEP 1806 (2018) 040 10.1007/JHEP06(2018)040 arXiv:1804.02020
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3. Horizon feedback inflation / Fairbairn, Malcolm ; Markkanen, Tommi ; Rodriguez Roman, David
We consider the effect of the Gibbons–Hawking radiation on the inflaton in the situation where it is coupled to a large number of spectator fields. [...]
Published in EPJC 78 (2018) 347 10.1140/epjc/s10052-018-5830-0
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4. Light scalars on cosmological backgrounds / Markkanen, Tommi
We study the behaviour of a light quartically self-interacting scalar field ϕ on curved backgrounds that may be described with the cosmological equation state parameter w . [...]
Published in JHEP 1801 (2018) 116 10.1007/JHEP01(2018)116 arXiv:1711.07502
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5. Massive scalar field evolution in de Sitter / Markkanen, Tommi ; Rajantie, Arttu
The behaviour of a massive, non-interacting and non-minimally coupled quantised scalar field in an expanding de Sitter background is investigated by solving the field evolution for an arbitrary initial state. [...]
Published in JHEP 1701 (2017) 133 10.1007/JHEP01(2017)133 arXiv:1607.00334
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6. Decoherence can relax cosmic acceleration / Markkanen, Tommi
In this work we investigate the semi-classical backreaction for a quantised conformal scalar field and classical vacuum energy. [...]
Published in JCAP 1611 (2016) 026 10.1088/1475-7516/2016/11/026 arXiv:1609.01738
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7. Quantum corrections to scalar field dynamics in a slow-roll space-time / Herranen, Matti ; Markkanen, Tommi ; Tranberg, Anders
We consider the dynamics of a quantum scalar field in the background of a slow-roll inflating Universe. [...]
Published in JHEP 1405 (2014) 026 10.1007/JHEP05(2014)026 arXiv:1311.5532
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1 Markkanen, T.
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