Cosmological $\alpha$-Attractors and de Sitter Landscape
  We provide a unified description of cosmological $\alpha$-attractors and
late-time acceleration, in excellent agreement with the latest Planck data. Our
construction involves two superfields playing distinctive roles: one is the
dynamical field and its evolution determines inflation and dark energy, the
other is nilpotent and responsible for a landscape of vacua and supersymmetry
breaking. We prove that the attractor nature of the theory is enhanced when
combining the two sectors: cosmological attractors are very stable with respect
to any possible value of the cosmological constant and, interestingly, to any
generic coupling of the inflationary sector with the field responsible for
uplifting. Finally, as related result, we show how specific couplings generate
an arbitrary inflaton potential in a supergravity framework with varying Kahler
curvature.
