Institutt for fysikk: Nye registreringer
Viser treff 21-40 av 2653
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Photon-ALP oscillations at CTA energies
(Peer reviewed; Journal article, 2023)Axions and axion-like-particles (ALPs) are well motivated beyond the standard model particles that can explain a variety of unsolved problems in physics, such as the strong CP problem and the nature of dark matter. These ... -
Polyethylene glycol (PEG) as a broad applicability marker for LC–MS/MS-based biodistribution analysis of nanomedicines
(Journal article; Peer reviewed, 2024)Polyethylene glycol (PEG) conjugation (PEGylation) is a well-established strategy to improve the pharmacokinetic and biocompatibility properties of a wide variety of nanomedicines and therapeutic peptides and proteins. ... -
Flare Duty Cycle of Gamma-Ray Blazars and Implications for High-energy Neutrino Emission
(Journal article; Peer reviewed, 2023) -
An ultra-low field SQUID magnetometer for measuring antiferromagnetic and weakly remanent magnetic materials at low temperatures
(Journal article, 2023)A novel setup for measuring magnetic fields of antiferromagnets (i.e., quadrupolar or higher-order magnetic fields) and generally weakly remanent magnetic materials is presented. The setup features a highly sensitive ... -
Andreev reflection in altermagnets
(Journal article; Peer reviewed, 2023)Recent works have predicted materials featuring bands with a large spin-splitting distinct from ferromagnetic and relativistically spin-orbit-coupled systems. Materials displaying this property are known as altermagnets ... -
Transient dynamics and quantum phase diagram for the square lattice Rashba-Hubbard model at arbitrary hole doping
(Peer reviewed; Journal article, 2023)Adding a Rashba term to the Hubbard Hamiltonian produces a model which can be used to learn how spin-orbit interactions impact correlated electrons on a lattice. Previous works have studied such a model using a variety of ... -
Spin pumping from a ferromagnetic insulator to an unconventional superconductor with interfacial Andreev bound states
(Journal article; Peer reviewed, 2023)Spin pumping from a ferromagnetic insulator into a high-Tc superconductor with a d-wave superconducting order parameter has recently been experimentally observed. Such unconventional superconducting order is known to ... -
Moiré fringes in conductive atomic force microscopy
(Journal article; Peer reviewed, 2023)Moiré physics plays an important role in characterization of functional materials and engineering of physical properties in general, ranging from strain-driven transport phenomena to superconductivity. Here, we report on ... -
Quasiclassical theory for antiferromagnetic metals
(Peer reviewed; Journal article, 2023)Unlike ferromagnetism, antiferromagnetism cannot readily be included in the quasiclassical Keldysh theory because of the rapid spatial variation in the directions of of the magnetic moments. The quasiclassical framework ... -
Superconducting Proximity Effect and Long-Ranged Triplets in Dirty Metallic Antiferromagnets
(Journal article; Peer reviewed, 2023)Antiferromagnets have no net spin splitting on the scale of the superconducting coherence length. Despite this, antiferromagnets have been observed to suppress superconductivity in a similar way as ferromagnets, a phenomenon ... -
Dc Josephson Effect in Altermagnets
(Journal article; Peer reviewed, 2023)The ability of magnetic materials to modify superconductors is an active research area for possible applications in thermoelectricity, quantum sensing, and spintronics. We consider the fundamental properties of the Josephson ... -
Spin pumping from a ferromagnetic insulator into an altermagnet
(Journal article; Peer reviewed, 2023)A class of antiferromagnets with spin-polarized electron bands, yet zero net magnetization, called altermagnets, is attracting increasing attention due to their potential use in spintronics. Here, we study spin injection ... -
Probing Majorana localization in minimal Kitaev chains through a quantum dot
(Peer reviewed; Journal article, 2023)Artificial Kitaev chains, formed by quantum dots coupled via superconductors, have emerged as a promising platform for realizing Majorana bound states. Even a minimal Kitaev chain (a quantum dot–superconductor–quantum dot ... -
Unveiling the Nature of Galactic TeV Sources with IceCube Results
(Peer reviewed; Journal article, 2023)IceCube collaboration reported the first high-significance observation of the neutrino emission from the Galactic disk. The observed signal can be due to diffuse emission produced by cosmic rays interacting with interstellar ... -
Hot electron enhanced photoemission from laser fabricated plasmonic photocathodes
(Peer reviewed; Journal article, 2023)Photocathodes are key elements in high-brightness electron sources and ubiquitous in the operation of large-scale accelerators, although their operation is often limited by their quantum efficiency and lifetime. Here, we ... -
Rotational Curves of the Milky Way Galaxy and Andromeda Galaxy in Light of Vacuum Polarization around Eicheon †
(Peer reviewed; Journal article, 2023)Eicheon properties are discussed. It is shown that the eicheon surface allows setting a boundary condition for the vacuum polarization and obtaining a solution describing the dark matter tail in the Milky Way Galaxy. That ... -
Pion condensation in QCD at finite isospin density, the dilute Bose gas, and speedy Goldstone bosons
(Journal article, 2024)We consider pion condensation in QCD at finite isospin density μI and zero temperature using two-flavor chiral perturbation theory (χPT). The pressure is calculated to next-to-leading order (NLO) in the low-energy expansion. ... -
Toward new liquid crystal phases of DNA mesogens
(Journal article; Peer reviewed, 2023)Short, partially complementary, single-stranded (ss)DNA strands can form nanostructures with a wide variety of shapes and mechanical properties. It is well known that semiflexible, linear dsDNA can undergo an isotropic to ... -
Contrast Enhanced Magnetic Resonance Imaging of Amyloid-β Plaques in a Murine Alzheimer's Disease Model
(Journal article; Peer reviewed, 2023)Background: Early detection of amyloid-β (Aβ) aggregates is a critical step to improve the treatment of Alzheimer’s disease (AD) because neuronal damage by the Aβ aggregates occurs before clinical symptoms are apparent. ...