Sökning: "path-integrals"

Hittade 4 avhandlingar innehållade ordet path-integrals.

  1. 1. Transition state theory from path-integrals, application to hydrogen diffusion on Ni(100)

    Författare :Thomas R. Mattson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; polaron; hydrogen; quantum; diffusion; monte carlo; path-integrals;

    Sammanfattning : .... LÄS MER

  3. 2. Theory of Hydrogen Quantum Diffusion

    Författare :Thomas Mattsson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; path-integrals; isotope effect; transition state theory; quantum; diffusion; hydrogen; first-principles calculations; nickel;

    Sammanfattning : Atomic hydrogen adsorbed on a metal surface is one of the simplest possible examples of chemisorption, yet it is very challenging. The adsorption and the very elementary process of surface diffusion, a single atomic jump, have been investigated theoretically using several methods. LÄS MER

  4. 3. Localization, supersymmetric gauge theories and toric geometry

    Författare :Jacob Winding; Maxim Zabzine; Sara Pasquetti; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Supersymmetry; gauge theory; localization; toric geometry; Theoretical Physics; Teoretisk fysik;

    Sammanfattning : Gauge theories is one of the most pervasive and important subject of modern theoretical physics, and there are still many things about them we do not understand. In particular dealing with strongly coupled theories where normal perturbative techniques do not apply is a fundamental open problem. LÄS MER

  5. 4. Reinforcement Learning Endowed Robot Planning under Spatiotemporal Logic Specifications

    Författare :Peter Varnai; Dimos V. Dimarogonas; Ufuk Topcu; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Formal methods; temporal logic; autonomous systems; reinforcement learning; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Recent advances in artificial intelligence are producing fascinating results in the field of computer science. Motivated by these successes, the desire to transfer and implement learning methods on real-life systems is growing as well. LÄS MER