Sökning: "Peter Ågren"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden Peter Ågren.

  1. 1. Cooper pair transport and Coulomb blockade in one dimensional Josephson arrays

    Författare :Peter Ågren; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  2. 2. Charging effects in small capacitance Josephson junction circuits

    Författare :Peter Ågren; KTH; []
    Nyckelord :;

    Sammanfattning : This thesis describes fabrication, measurements and analysisof two different Josephson junction circuits; the Cooper pairtransistor (CPT) and the one dimensional Josephson junctionarray (JJA). All experiments are conducted in a dilutionrefrigerator with a base temperature of 15{30 mK. LÄS MER

  3. 3. Tidigmodern tid : Den sociala tidens roll i fyra lokalsamhällen 1650-1730

    Författare :Henrik Ågren; Stellan Dahlgren; Peter Englund; Anders Florén; Lennart Lundmark; Historiska institutionen Historisk-filosofiska fakulteten Humanistisk-samhällsvetenskapliga vetenskapsområdet Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; History; bureaucratisation; early modern state; Lagunda; local history; Sala; silver mining; social interaction; social time; time geography; time-reckoning; Uppsala; urban history;

    Sammanfattning : This dissertation examines how time-reckoning was used in Swedish courts in the early modem period. The theoretical foundation is that the need for people to coordinate in time becomes more important the larger and more complicated the social context is. LÄS MER

  4. 4. Quantum Chemical Studies of Mechanisms and Stereoselectivities of Organocatalytic Reactions

    Författare :Peter Hammar; Hans Ågren; Fahmi Himo; Gregori Ujaque; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Theoretical chemistry; Teoretisk kemi; Organic chemistry; Organisk kemi;

    Sammanfattning : As the field of organocatalysis is growing, it is becoming more important to understand the specific modes of action of these new organic catalysts. Quantum chemistry, in particular density functional theory, has proven very powerful in exploring reaction mechanisms as well as selectivities in organocatalytic reactions, and is the tool used in this thesis. LÄS MER

  5. 5. Does Bainite form with or without diffusion? : The experimental and theoretical evidence

    Författare :Peter Kolmskog; Annika Borgenstam; John Ågren; Bevis Hutchinson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Carbon steels; Bainite; Bainitic ferrite; Widmanstätten ferrite; Microstructure; Microscopy; Thermodynamic modeling;

    Sammanfattning : With the increased interest in bainitic steels, fundamental understanding of the bainite transformationis of major importance. Unfortunately, the research on bainite has been hampered by an oldcontroversy on its formation mechanism. Over the years two quite different theories have developedclaiming to describe the bainite transformation i.e. LÄS MER