Higgs inflation and the refined dS conjecture

Abstract

The refined de Sitter derivative conjecture provides constraints to potentials that are low energy effective theories of quantum gravity. It can give direct bounds on inflationary scenarios and determine whether the theory is in the Landscape or the Swampland. We consider the 'Higgs inflation' scenario taking the refined de Sitter derivative conjecture into account. Obtaining the critical lines for the potential, we find a conjecture parameter space in which the 'Higgs inflation' is to be in the Landscape. Comparing with the model independent observational bounds from recent data we find that the observational bounds represent the Higgs inflation can be in the Landscape.

Further Refining the de Sitter Swampland Conjecture

“…unstable (tachyonic) de Sitter solutions: such a criterion has been formulated recently [13] (see also [12]) in the form of (1.3) detailed below. This refined de Sitter conjecture has been tested with various phenomenological models, [14][15][16][17][18][19] and has been discussed in relation to stringy constructions [20][21][22][23][24][25][26][27] or in a more general swampland context. [28][29][30][31] In the present paper, we propose an alternative refined de Sitter conjecture.…”

Swampland implications of GW170817-compatible Einstein-Gauss-Bonnet gravity

“…In the literature there is currently a lot of activity regarding the implications of the Swampland criteria, see Refs. [40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58][61][62][63][64][65][66][67][68][69][70][71]. Also in Ref.…”

Eternal inflation, entropy bounds and the swampland

“…For some applications of this condition to cosmology see e.g. [23,[70][71][72][73][74][75][76][77]. Note that these conditions rule out de Sitter solutions, in particular de Sitter solutions for Dark Energy (see also [78][79][80] for other arguments for the inconsistency between quantum gravity and de Sitter).…”