Essays about: "two-level density"

Found 5 essays containing the words two-level density.

  1. 1. The low-lying zeros of L-functions associated to non-Galois cubic fields

    University essay from Göteborgs universitet/Institutionen för matematiska vetenskaper

    Author : Victor Ahlquist; [2023-02-13]
    Keywords : Mathematics; number theory; cubic fields; L-functions; low-lying zeros; onelevel density; two-level density; phase transition.;

    Abstract : We study the low-lying zeros of Artin L-functions associated to non-Galois cubic number fields through their one- and two-level densities. In particular, we find new precise estimates for the two-level density with a power-saving error term. READ MORE

  3. 2. Open quantum systems

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Anton Granlund Gustafsson; [2023]
    Keywords : quantum physics; quantum mechanics; open quantum systems; Lindblad equation; density matrix theory; qubit;

    Abstract : In this Bachelor thesis project, the Lindblad master equation is derived, both as the most general way of modeling interaction with an environment that lacks memory, and through microscopic derivations focused on assumptions about the way the system interacts with its environment (weak-coupling, Born-Markov and rotating wave approximations). It is then applied to a two-level system (qubit). READ MORE

  4. 3. Glide Quality in Cross-Country Skiing : The Topographical and Frictional Impact of the Stone Grind

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Author : Martin Johansson; [2022]
    Keywords : Friction; Stone grind; Ski development; Snow; Coefficient of Friction; Cross-Country Skiing; Ski; Friktion; Stenslip; Skidutveckling; Snö; Friktionskoefficient; Skidor;

    Abstract : The Swedish Winter Olympic team is one of the strongest Olympic teams in theworld, and the majority of the team’s success comes from ski-related sports. So howcan the Swedish team remain, and maybe even accelerate, its competitive advantage? The answer is science. READ MORE

  5. 4. Reduction of Set-recovery of Surface densified Scots Pine by Furfuryl Alcohol

    University essay from Luleå tekniska universitet/Träteknik

    Author : Lei Han; [2019]
    Keywords : surface densification; set-recovery; hardness; furfuryl alcohol;

    Abstract :  For wood products such as flooring and worktop, only one surface is normally exposed in their use, and the mechanical properties like hardness and wearing resistance of that surface is then important. Since mechanical properties are strongly related to the density, surface densification, i.e. READ MORE

  6. 5. Cluster analysis on sparse customer data on purchase of insurance products

    University essay from KTH/Matematisk statistik

    Author : Michel Alexander Postigo Smura; [2019]
    Keywords : ;

    Abstract : This thesis work aims at performing a cluster analysis on customer data of insurance products. Three different clustering algorithms are investigated. These are K-means (center-based clustering), Two-Level clustering (SOM and Hierarchical clustering) and HDBSCAN (density-based clustering). READ MORE