Results 81 to 90 of about 48,355 (157)

Is the spectrum of gravitational waves the “Holy Grail” of inflation?

European Physical Journal C: Particles and Fields, 2019
It is often said that detecting a spectrum of primordial gravitational waves via observing B-mode polarization of the Cosmic Microwave Background is the “Holy Grail” of inflation.
Robert H. Brandenberger
doaj   +1 more source

Holographic cosmology solutions of problems with pre-inflationary cosmology

Journal of High Energy Physics, 2020
In this paper we describe in detail how to solve the problems of pre-inflationary cosmology within the holographic cosmology model of McFadden and Skenderis [1].
Horatiu Nastase
doaj   +1 more source

Lectures on string theory and cosmology

, 2004
In these lectures I review recent attempts to apply string theory to cosmology, including string cosmology and various models of brane cosmology. In addition, the review includes an introduction to inflation as well as a discussion of transplanckian ...
Albrecht A Kaloper N Song Y S, Allen B, Bak D, Banks T, Banks T, Banks T Fischler W, Banks T Fischler W, Banks T Susskind L, Bekenstein J D, Bergström L, Bousso R, Bousso R, Bousso R, Bousso R, Bozza V, Brandenberger R H, Burgess C P, Chernikov N A, Danielsson U H, Danielsson U H, Danielsson U H, Danielsson U H, Danielsson U H, de Boer J, DeWolfe O, Dvali G R Shafi Q Solganik S, Dyson L, Dyson L, Easther R, Fischler W, Fischler W Susskind L, Frolov A, Gasperini M, Gibbons G W, Giddings S B, Goldstein K, Grishchuk L P, Grishchuk L P, Guth A H, Hellerman S, Horowitz G T, Kachru S, Kachru S, Kaloper N, Kaloper N, Keski-Vakkuri E, Kiefer C, Kruczenski M, Liddle A R, Linde A, Linde A, Linde A, Martin J, Martin J, Mottola E, Myung Y S, Okamoto T, Polarski D, Polchinski J, Prokopec T, Quevedo F, Sato K, Schalm K, Schiffer M, Starobinsky A A, Starobinsky A A, Starobinsky A A, Steinhardt P J Turok N, Susskind L, Susskind L, Susskind L, Turok N, Ulf H Danielsson, Witten E, Witten E   +74 more
core   +2 more sources

Psycholytic Therapy Using LSD: a Realist Review

Brain and Behavior, Volume 16, Issue 4, April 2026.
Psycholytic therapy using d‐lysergic acid diethylamide (LSD) appears safe and therapeutically effective when delivered with strong therapeutic trust, extensive preparation, and more than ten sessions. Flexible, relationally focused methods and creative integration work are associated with better outcomes and reduced adverse events.
Hamish Grime, Eugenia Drini
wiley   +1 more source

Hitchhiker's Guide to the Swampland: The Cosmologist's Handbook to the String‐Theoretical Swampland Programme

Fortschritte der Physik, Volume 74, Issue 4, April 2026.
Abstract String theory has strong implications for cosmology, implying the absence of a cosmological constant, ruling out single‐field slow‐roll inflation, and that black holes decay. The origins of these statements are elucidated within the string‐theoretical swampland programme.
Kay Lehnert
wiley   +1 more source

Dynamical dark energy in 0’B braneworlds

European Physical Journal C: Particles and Fields
We build a novel realization of dark bubble cosmology in non-supersymmetric string theory. Among the simplest models in ten dimensions, the type 0’B orientifold is the unique option which yields a scale-separated construction.
Ivano Basile, Alessandro Borys, Joaquin Masias   +2 more
doaj   +1 more source

Inclusion within innovative learning environments: A new materialist stratigraphy of spatio–political assemblages

Review of Education, Volume 14, Issue 1, April 2026.
Abstract This conceptual inquiry addresses a gap in research on inclusion within Innovative Learning Environments (ILEs): while ILEs are widely promoted as inclusive, studies often focus on well‐resourced schools and overlook how policy and space intra‐act as mutually shaping processes that produce both inclusion and exclusion.
Erfan Heidari, Marian Mahat
wiley   +1 more source

Catch-me-if-you-can: the overshoot problem and the weak/inflation hierarchy

Journal of High Energy Physics, 2022
We study the overshoot problem in the context of post-inflationary string cosmology (in particular LVS). LVS cosmology features a long kination epoch as the volume modulus rolls down the exponential slope towards the final minimum, with an energy density
Joseph P. Conlon, Filippo Revello
doaj   +1 more source

Fractal Dimensions of Venusian Lava Flows: New Findings for Atla Regio and Review of Previous Analyses

Journal of Geophysical Research: Planets, Volume 131, Issue 4, April 2026.
Abstract The fractal dimensions of lava flow margins on Earth often correlate with their flow morphologies and have been used to tentatively identify flow morphology on other rocky planets where fine‐scale observations are limited. Previous studies of lava flow margins on Venus have reported fractal dimensions (D) mostly within the range between 1.05 ...
E. M. Recchuiti, V. Haag, D. R. Bohnenstiehl, A. Soldati   +3 more
wiley   +1 more source

Inflation from Extra Dimensions

, 1994
A gravity-driven inflation is shown to arise from a simple higher dimensional universe. In vacuum, the shear of $n>1$ contracting dimensions is able to inflate the remaining three spatial dimensions.
Abbott, Behrndt, Behrndt, Bergmann, Brans, Brustein, Chodos, Coley, Copeland, Dicke, Freese, Gasperini, Gasperini, Ishihara, Janna J Levin, Jordan, Kaluza, Kasner, Klein, Kolb, Kolb, Levin, Moorhouse, Sadhev, Veneziano, Wagoner   +25 more
core   +1 more source