Imaging superconducting vortex cores and lattices with a scanning tunneling microscope

H Suderow, I Guillamón, JG Rodrigo… - Superconductor …, 2014 - iopscience.iop.org
The observation of vortices in superconductors was a major breakthrough in developing the
conceptual background for superconducting applications. Each vortex carries a flux …

Relieving the Hubble tension with primordial magnetic fields

K Jedamzik, L Pogosian - Physical Review Letters, 2020 - APS
The standard cosmological model determined from the accurate cosmic microwave
background measurements made by the Planck satellite implies a value of the Hubble …

Stringent limit on primordial magnetic fields from the cosmic microwave background radiation

K Jedamzik, A Saveliev - Physical review letters, 2019 - APS
Primordial magnetic fields (PMFs), being present before the epoch of cosmic recombination,
induce small-scale baryonic density fluctuations. These inhomogeneities lead to an …

Early or phantom dark energy, self-interacting, extra, or massive neutrinos, primordial magnetic fields, or a curved universe: An exploration of possible solutions to the  …

HG Escudero, JL Kuo, RE Keeley, KN Abazajian - Physical Review D, 2022 - APS
In this paper we explore the existing tensions in the local cosmological expansion rate, H 0,
and amplitude of the clustering of the large-scale structure at 8 h-1 Mpc, σ 8, as well as …

Primordial magnetic field generation via primordial black hole disks

T Papanikolaou, KN Gourgouliatos - Physical Review D, 2023 - APS
Large-scale primordial magnetic fields (PMFs) threading the intergalactic medium are
observed ubiquitously in the Universe playing a key role in the cosmic evolution. Their origin …

Exploration of the role of disorder and the behaviour of the surface state in the three-dimensional topological insulator—Bi2Se3

A Jash, S Ghosh, A Bharathi, SS Banerjee - Bulletin of Materials Science, 2022 - Springer
Here we present an overview of some of our recent experimental investigation on the high
conducting topologically protected surface state properties of a 3D topological insulator (TI) …

Challenges and transformative opportunities in superconductor vortex physics

S Eley, A Glatz, R Willa - Journal of Applied Physics, 2021 - pubs.aip.org
In superconductors, the motion of vortices introduces unwanted dissipation that is disruptive
to applications. Fortunately, material defects can immobilize vortices, acting as vortex …

Gravitational radiation from primordial helical inverse cascade magnetohydrodynamic turbulence

T Kahniashvili, L Campanelli, G Gogoberidze… - Physical Review D …, 2008 - APS
We consider the generation of gravitational waves by primordial helical inverse-cascade
magnetohydrodynamic (MHD) turbulence produced by bubble collisions at the electroweak …

Constraining supermassive primordial black holes with magnetically induced gravitational waves

T Papanikolaou, KN Gourgouliatos - Physical Review D, 2023 - APS
Primordial black holes (PBHs) can answer a plethora of cosmic conundrums, including the
origin of cosmic magnetic fields. In particular, supermassive PBHs with masses M PBH> 10 …

Evolution of magnetic fields in freely decaying magnetohydrodynamic turbulence

L Campanelli - Physical review letters, 2007 - APS
We study the evolution of magnetic fields in freely decaying magnetohydrodynamic
turbulence. By quasilinearizing the Navier-Stokes equation, we solve analytically the …