SCOAP3 Repository 8 records found  Search took 0.02 seconds. 
1. Exact solutions of the Einstein equations for an infinite slab with a constant energy density / Kamenshchik, Alexander Yu. ; Vardanyan, Tereza
We find exact static solutions of the Einstein equations in the spacetime with plane symmetry, where an infinite slab with finite thickness and homogeneous energy (mass) density is present. [...]
Published in Physics letters B 792 (2019) 430-435 10.1016/j.physletb.2019.02.050
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2. Non-canonical inflation and primordial black holes production / Kamenshchik, Alexander Y. ; Tronconi, Alessandro ; Vardanyan, Tereza ; Venturi, Giovanni
We study a mechanism for the amplification of the inflationary scalar perturbation when the inflaton field action is non-canonical, i.e. [...]
Published in Physics letters B 791 (2019) 201-205 10.1016/j.physletb.2019.02.036
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3. Comment about the vanishing of the vacuum energy in the Wess–Zumino model / Barvinsky, Andrei O. ; Kamenshchik, Alexander Yu. ; Vardanyan, Tereza
We check the cancellation of the vacuum energy in the Wess–Zumino model at the two-loop order in the component field formalisms with and without auxiliary fields. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.05.008
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4. Pauli–Zeldovich cancellation of the vacuum energy divergences, auxiliary fields and supersymmetry / Kamenshchik, Alexander Yu. ; Starobinsky, Alexei A. ; Tronconi, Alessandro ; Vardanyan, Tereza ; et al
We have considered the Pauli–Zeldovich mechanism for the cancellation of the ultraviolet divergences in vacuum energy. [...]
Published in EPJC 78 (2018) 200 10.1140/epjc/s10052-018-5703-6
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5. The quantum Fokker-Planck equation of stochastic inflation / Collins, Hael ; Holman, Richard ; Vardanyan, Tereza
We derive the stochastic description of a massless, interacting scalar field in de Sitter space directly from the quantum theory. [...]
Published in JHEP 1711 (2017) 065 10.1007/JHEP11(2017)065 arXiv:1706.07805
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6. Entangled scalar and tensor fluctuations during inflation / Collins, Hael ; Vardanyan, Tereza
We show how the choice of an inflationary state that entangles scalar and tensor fluctuations affects the angular two-point correlation functions of the T, E, and B modes of the cosmic microwave background. [...]
Published in JCAP 1611 (2016) 059 10.1088/1475-7516/2016/11/059 arXiv:1601.05415
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7. A cosmological Slavnov-Taylor identity / Collins, Hael ; Holman, R. ; Vardanyan, Tereza
We develop a method for treating the consistency relations of inflation that includes the full time-evolution of the state. [...]
Published in JCAP 1412 (2014) 007 10.1088/1475-7516/2014/12/007 arXiv:1405.0017
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8. Renormalizing an initial state / Collins, Hael ; Holman, R. ; Vardanyan, Tereza
The intricate machinery of perturbative quantum field theory has largely been devoted to the ‘dynamical’ side of the theory: simple states are evolved in complicated ways. [...]
Published in JHEP 1410 (2014) 124 10.1007/JHEP10(2014)124 arXiv:1408.4801
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