• Anisotropic and controllable Gilbert-Bloch dissipation in spin valves 

      Kamra, Akashdeep; Polishchuk, Dmytro; Korenivski, Vladislav; Brataas, Arne (Peer reviewed; Journal article, 2019)
      Spin valves form a key building block in a wide range of spintronic concepts and devices from magnetoresistive read heads to spin-transfer-torque oscillators. We elucidate the dependence of the magnetic damping in the free ...
    • Anisotropic depth migration of converted wave data, inversion of multicomponent data to estimate elastic parameters at the seafloor and one-dimensional data-driven inversion 

      Helgesen, Hans Kristian (Doktoravhandlinger ved NTNU, 1503-8181; 2008:210, Doctoral thesis, 2006)
      The increasing demand for oil and gas in the world today drives the need for new and improved methods for identifying hydrocarbon prospects. The petroleum industry uses information about the subsurface in the exploration ...
    • Anisotropic diffusion and the cosmic ray anisotropy 

      Kachelriess, Michael (Journal article; Peer reviewed, 2019)
      We argue that the diffusion of cosmic rays in the Galactic magnetic field has to be strongly anisotropic. As a result, the number of CR sources contributing to the local CR flux is strongly reduced. The CR density is ...
    • Anisotropic long-range spin transport in canted antiferromagnetic orthoferrite YFeO3 

      Das, Shubhankar; Ross, A; Ma, X.X.; Becker, S.; Schmitt, C.; van Duijn, Duijn; Galindez-Ruales, E.F.; Fuhrmann, F.; Syskaki, M.-A.; Ebels, U.; Baltz, V.; Barra, A.-L.; Chen, H.Y.; Jakob, G.; Cao, S.X.; Sinova, J.; Gomonay, O.; Lebrun, R.; Klaui, Mathias Michael (Peer reviewed; Journal article, 2022)
      In antiferromagnets, the efficient transport of spin-waves has until now only been observed in the insulating antiferromagnet hematite, where circularly (or a superposition of pairs of linearly) polarized spin-waves diffuse ...
    • Anisotropic long-range spin transport in canted antiferromagnetic orthoferrite YFeO3 

      Klaui, Mathias Michael (Peer reviewed; Journal article, 2022)
      In antiferromagnets, the efficient transport of spin-waves has until now only been observed in the insulating antiferromagnet hematite, where circularly (or a superposition of pairs of linearly) polarized spin-waves diffuse ...
    • Anisotropic Paramagnetic Meissner Effect by Spin-Orbit Coupling 

      Espedal, Camilla; Yokoyama, Takehito; Linder, Jacob (Journal article, 2016)
      Conventional s-wave superconductors repel an external magnetic field. However, a recent experiment [A. Di Bernardo et al., Phys. Rev. X 5, 041021 (2015)] has tailored the electromagnetic response of superconducting ...
    • Anisotropic plasmonic Cu nanoparticles in sol-gel oxide nanopillars studied by spectroscopic Mueller matrix ellipsometry 

      Ghadyani, Zahra; Kildemo, Morten; Aas, Lars Martin Sandvik; Cohin, Y; Søndergård, E (Journal article; Peer reviewed, 2013)
      Broadened plasmon resonances of Cu nanoparticles in nanopatterned mixed oxide sol-gel nanopillars are shown to be readily detected by spectroscopic Mueller matrix ellipsometry. The plasmonic nanomaterials are obtained by ...
    • Anisotropies and magnetic phase transitions in insulating antiferromagnets determined by a Spin-Hall magnetoresistance probe 

      Lebrun, Romain; Ross, Andrew; Gomonay, Olena; Bender, Scott A.; Baldrati, Lorenzo; Kronast, Florian; Qaiumzadeh, Alireza; Sinova, Jairo; Brataas, Arne; Duine, Rembert; Klaui, Mathias Michael (Journal article; Peer reviewed, 2019)
      Antiferromagnets possess a number of intriguing and promising properties for electronic devices, which include a vanishing net magnetic moment and thus insensitivity to large magnetic fields and characteristic terahertz ...
    • Anomalous diffusion in systems with concentration-dependent diffusivity: exact solutions and particle simulations 

      Hansen, Alex; Flekkøy, Eirik Grude; Baldelli, Beatrice (Journal article; Peer reviewed, 2020)
      We explore the anomalous diffusion that may arise as a result of a concentration dependent diffusivity. The diffusivity is taken to be a power law in the concentration, and from exact analytical solutions we show that the ...
    • Anomalous domain wall velocity and Walker breakdown in hybrid systems with anisotropic exchange 

      Enoksen, Henrik; Sudbø, Asle; Linder, Jacob (Journal article; Peer reviewed, 2013)
      It has recently been proposed that spin-transfer torques in magnetic systems with anisotropic exchange can be strongly enhanced, reducing the characteristic current density with up to four orders of magnitude compared to ...
    • Anomalous Paths in Quantum Mechanical Path-Integrals 

      Grimsmo, Arne Løhre; Klauder, John R; Skagerstam, Bo-Sture (Journal article; Peer reviewed, 2013)
      We investigate modifications of the discrete-time lattice action, for a quantum mechanical particle in one spatial dimension, that vanish in the naïve continuum limit but which, nevertheless, induce nontrivial effects due ...
    • Anomalous Thermoelectric Effect in Tilted Dirac and Weyl Semimetals 

      Ballestad, Thorvald Molthe (Master thesis, 2022)
      Effektive Dirac likninger i topologisk faststoff-fysikk kan, i motsetning til høy-energi ekvivalentene, ha ledd som ikke er Lorentz invariante. Flere slike systemer har blitt oppdaget, både teoretisk og eksperimentelt, ...
    • Antideuterons as Signature for Dark Matter 

      Dal, Lars Andreas (Master thesis, 2011)
      In this thesis, we examine the antideuteron spectra from annihilations of dark matter in the form of Weakly Interacting Massive Particles (WIMPs). The so-called coalescence model is commonly used to describe the production ...
    • Antiferromagnetic Insulator Spintronics 

      Johansen, Øyvind (Doctoral theses at NTNU;2019:343, Doctoral thesis, 2019)
      Summary: Spin currents can make your computer energy efficient and ultrafast Have you noticed that your laptop sometimes can get quite warm? Electronical devices rely on transfer of information via a charge current ...
    • Antiferromagnetic magnons as highly squeezed Fock states underlying quantum correlations 

      Kamra, Akashdeep; Thingstad, Even; Rastelli, Gianluca; Duine, Rembert A.; Brataas, Arne; Belzig, Wolfgang; Sudbø, Asle (Peer reviewed; Journal article, 2019)
      Employing the concept of two-mode squeezed states from quantum optics, we demonstrate a revealing physical picture for the antiferromagnetic ground state and excitations. Superimposed on a Néel ordered configuration, a ...
    • Antiferromagnetic Neuromorphic Computing 

      Tønseth, Even Aksnes (Master thesis, 2022)
      Nevromorf prosessering er et felt innen datavitenskap som har som mål å designe prosseseringsenheter med inspirasjon fra hjernedynamikk. Når en lager slike prosessorer med tradisjonell halvleder teknologi møter en store ...
    • Antimicrobial Properties of Samarium Doped Hydroxyapatite Suspensions and Coatings 

      Iconaru, Simona Liliana; Groza, A; Gaiaschi, Sofia; Rokosz, Krzysztof; Raaen, Steinar; Ciobanu, Steluta Carmen; Chapon, Patrick; Predoi, Daniela (Peer reviewed; Journal article, 2020)
      Post-implant infections are a major health problem, and it is well-known that treating them with conventional drugs is accompanied by many disadvantages. The development of new biomaterials with enhanced antimicrobial ...
    • Antimicrobial Resistance and Biofilms Underlying Catheter-Related Bloodstream Coinfection by Enterobacter cloacae Complex and Candida parapsilosis 

      Štefánek, Matúš; Wenner, Sigurd; Borges, Vítor; Pinto, Miguel; Gomes, João Paulo; Rodriguez, João; Faria, Isabel; Pessanha, Maria Ana; Martins, Filomena; Sabino, Raquel; Verissimo, Cristina; Nogueira, Isabel D.; Almeida Carvalho, Patricia; Bujdáková, Helena; Jordao, Luisa (Peer reviewed; Journal article, 2022)
      Biofilm-associated infections are a public health concern especially in the context of healthcare-associated infections such as catheter-related bloodstream infections (CRBSIs). We evaluated the biofilm formation and ...
    • Antinuclei as a Signature of Dark Matter 

      Tjemsland, Jonas (Master thesis, 2019)
      Antideuteron og antihelium er blitt foreslått som en deteksjonskanal for spalting og annihilasjon av mørk materie i Melkeveien på grunn av en forventet lav astrofysisk bakgrunnstøy. I dag er det vanlig å bruke en standard ...
    • ApoE Alzheimer’s Disease Aβ-amyloid plaque morphology varies according to APOE isotype 

      Caesar, Ina; Nilsson, K. Peter R.; Hammarström, Per; Lindgren, Olof Mikael; Prokop, Stefan; Heppner, Frank L.; Schmeidler, James; Haroutunian, Vahram; Holtzman, David M.; Hof, Patrick R.; Gandy, Sam (Peer reviewed; Journal article, 2023)
      Background: The apolipoprotein E (APOE, gene; apoE, protein) ε4 allele is the most commonly identified genetic risk factor for typical late-onset sporadic Alzheimer’s disease (AD). Each APOE ε4 allele roughly triples the ...