Essays about: "slow-roll"

Found 3 essays containing the word slow-roll.

  1. 1. When Braneworlds Collide

    University essay from Uppsala universitet/Teoretisk fysik

    Author : Toivo Tuma Niemi; [2021]
    Keywords : physics; cosmology; parallel universe; dark energy; inflation; braneworlds; D brane;

    Abstract : This project is an investigation of a cosmological model consisting of a five dimensional AdS-vacuum with a flux. By discharges in the flux, four dimensional bubbles can nucleate in the vacuum and collide with each other while expanding. Our observable universe is considered to be localized on the membrane of such a bubble. READ MORE

  2. 2. Prototype for automotive roll over safety system

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Ilias Tevetzidis; [2020]
    Keywords : semi-trailer; roll; control system; control theory; body roll; body; dynamics; truck; trailer; ABS;

    Abstract : This thesis presents the theory, methodology and results of building, tuning and testing a prototype for controlling body roll movement. Body roll is a result of lateral acceleration that acts on a vehicle when turning and result in torque on the roll center of the vehicle. READ MORE

  3. 3. Embedding inflation in string theory

    University essay from Uppsala universitet/Teoretisk fysik

    Author : Kevin Björk; [2019]
    Keywords : inflation; string theory; racetrack; uplift; slow-roll; Kähler; moduli; modulus; manifold; Calabi-Yau;

    Abstract : We introduce slow-roll inflation in string theory on both a conceptual level and a detailed one. In order to do this we first briefly review important concepts of inflation and string theory. READ MORE