Search for dissertations about: "Aharonov-Bohm effect"

Found 5 swedish dissertations containing the words Aharonov-Bohm effect.

  1. 1. Electron transport properties of graphene and graphene field-effect devices studied experimentally

    Author : Youngwoo Nam; [2013]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; dual-gated graphene field effect devices; thermopower; quantum Hall effect; graphene; Aharonov-Bohm effect; chemical vapour deposition;

    Abstract : This thesis contains experimental studies on electronic transport properties of graphene with the Aharonov-Bohm (AB) effect, thermopower (TEP) measurements, dual-gated graphene field effect devices, and quantum Hall effect (QHE). Firstly, in an effort to enhance the AB effect in graphene, we place superconducting-metal (aluminium) or normal-metal (gold) mirrors on the graphene rings. READ MORE

  2. 2. Towards graphene-based devices: Fabrication and characterization

    Author : Niclas Lindvall; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Synthesis; Chemical vapor deposition; Mechanical cleaning; Aharonov-Bohm effect; Graphene; Ferroelectric; Bolometer;

    Abstract : Graphene is a new material with a large set of impressive properties, interesting both for fundamental studies and applications. Reliable synthesis of large-scale, high-quality graphene is key to its future success. READ MORE

  3. 3. Fabrication and characterization of graphene-superconductor devices

    Author : Niclas Lindvall; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Synthesis; Atomic force microscopy; Aharonov-Bohm effect; Graphene; Bolometer; Chemical vapor deposition; Mechanical cleaning; Weak localization;

    Abstract : Graphene is the first single-atom-thick two-dimensional material and exhibits a large set of interesting properties. This thesis consists of two parts. The first regards the growth of large-area graphene using chemical vapor deposition (CVD). READ MORE

  4. 4. Geometric and Topological Phases with Applications to Quantum Computation

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Marie Ericsson; Uppsala universitet.; [2002]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; geometric phases; topological phases; quantum computation; mixed states; completely positive maps; Fysik; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik; fysik; Physics;

    Abstract : Quantum phenomena related to geometric and topological phases are investigated. The first results presented are theoretical extensions of these phases and related effects. Also experimental proposals to measure some of the described effects are outlined. READ MORE

  5. 5. Electromagnetic Fields in Moving and Inhomogeneous Media

    University dissertation from Stockholm : Alfvénlaboratoriet

    Author : Paul Piwnicki; KTH.; [2001]
    Keywords : Moving Media; Light; Genaral Relativity;

    Abstract : The present thesis deals with electromagnetic effectscreated by the motion or inhomogeneity of a dielectricmedium.In the first paper the quantum R\"ontgen effect isdiscussed. Here a rotating Bose-Einstein condensate -- oranother kind of quantum fluid -- is placed in a chargedcapacitor. The medium's rotation creates a magnetic field. READ MORE