Essays about: "perturbation theory"

Showing result 1 - 5 of 53 essays containing the words perturbation theory.

  1. 1. The last unknown leading order low-energy constant of chiral perturbation theory

    University essay from Uppsala universitet/Kärnfysik

    Author : Magnus Bertilsson; [2024]
    Keywords : QCD; Form factors; Vector form factors; Chiral perturbation theory; Hadrons; Hadron physics; hyperon decay; semileptonic decay;

    Abstract : .... READ MORE

  3. 2. An Algorithm for Sampling from Bandlimited Circular Probability Distributions

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Mattias Olofsson; [2023]
    Keywords : Matematisk Statistik;

    Abstract : In this Bachelor thesis, a novel algorithm for sampling from bandlimited circular probability distributions is presented. The algorithm leverages results from Fourier analysis concerning the Fejér kernel to simulate data with some desired probability distribution, realized as a sum of data sampled from a discrete distribution and a small continuous perturbation sampled from the Fejér kernel distribution. READ MORE

  4. 3. An operator theoretic approach to the Riemann Hypothesis

    University essay from Lunds universitet/Matematik (naturvetenskapliga fakulteten); Lunds universitet/Matematikcentrum

    Author : Ramon Arjan van de Scheur; [2023]
    Keywords : Riemann hypothesis; Prime number theorem; Prime number theorem for arithmetic progressions; operator theoretic equivalent; compact operator; prime-counting function; Chebyshev function; Laplace transform; Fourier transform; convolution operator; weak topology; strong topology; compact perturbation; Tauberian theorem; Poisson kernel; holomorphic; self-adjoint; spectrum; trace; Mathematics and Statistics;

    Abstract : In 2023 an operator theoretic approach to the Prime Number Theorem was introduced by Olsen. In this thesis this approach is examined and applied to give a new, operator theoretic, proof of a different version of the Prime Number Theorem and of the Prime Number Theorem for arithmetic progressions. READ MORE

  5. 4. Studies of the axial-vector transition form factors of the process Ω− → W−Ξ0 in chiral perturbation theory

    University essay from Uppsala universitet/Kärnfysik

    Author : Hélène De Munck; [2023]
    Keywords : Transition form Factors; Next-to-next-to-leading order; chiral perturbation theory; axial-vector; Ω− → W−Ξ0;

    Abstract : This work is included in a broader research of the hadron theory group of Uppsala University and its collaborators tackling the quest for an understanding of the quark distribution inside hadrons by joining threedifferent approaches of QCD namely chiral perturbation theory, dispersion theory and lattice QCD. This thesis contributes by computing in chiral perturbation theory, the quark-masses dependence of form factors. READ MORE

  6. 5. Path integrals in Quantum Mechanics and their application to low-dimensional supersymmetry

    University essay from Uppsala universitet/Teoretisk fysik

    Author : Gaétan Kaouadji; [2023]
    Keywords : Path integrals quantum mechanics quantum field theory supersymmetry;

    Abstract : This report aims to give an insight to the path integral formalism in quantum mechanics. After explaining the kernel's construction, some of its properties and ways to compute it, we see how it relates to the Schrödinger picture. Moreover, we see how its representation can change if it is defined in the space, momentum, time or energy space. READ MORE