Skip to main content

Research Repository

Advanced Search

All Outputs (2152)

A lightweight magnetically shielded room with active shielding (2022)
Journal Article
Holmes, N., Rea, M., Chalmers, J., Leggett, J., Edwards, L. J., Nell, P., …Bowtell, R. (2022). A lightweight magnetically shielded room with active shielding. Scientific Reports, 12, Article 13561. https://doi.org/10.1038/s41598-022-17346-1

Magnetically shielded rooms (MSRs) use multiple layers of materials such as MuMetal to screen external magnetic fields that would otherwise interfere with high precision magnetic field measurements such as magnetoencephalography (MEG). Optically pump... Read More about A lightweight magnetically shielded room with active shielding.

Probing the manipulation of antiferromagnetic order in CuMnAs films using neutron diffraction (2022)
Journal Article
Poole, S. F., Barton, L. X., Wang, M., Manuel, P., Khalyavin, D., Langridge, S., …Wadley, P. (2022). Probing the manipulation of antiferromagnetic order in CuMnAs films using neutron diffraction. Applied Physics Letters, 121(5), Article 052402. https://doi.org/10.1063/5.0103390

We describe measurements of the uniaxial magnetic anisotropy and spin-flop rotation of the Néel vector in antiferromagnetic CuMnAs thin films using neutron diffraction. The suppression of the magnetic (100) peak under magnetic fields is observed for... Read More about Probing the manipulation of antiferromagnetic order in CuMnAs films using neutron diffraction.

Effect of clustering on primordial black hole microlensing constraints (2022)
Journal Article
Gorton, M., & Green, A. M. (2022). Effect of clustering on primordial black hole microlensing constraints. Journal of Cosmology and Astroparticle Physics, 2022(08), Article 035. https://doi.org/10.1088/1475-7516/2022/08/035

Stellar microlensing observations tightly constrain compact object dark matter in the mass range (10-11-103)M ⊙. Primordial Black Holes (PBHs) form clusters, and it has been argued that these microlensing constraints are consequently weakened or evad... Read More about Effect of clustering on primordial black hole microlensing constraints.

Transition magnon modes in thin ferromagnetic nanogratings (2022)
Journal Article
Kukhtaruk, S. M., Rushforth, A. W., Godejohann, F., Scherbakov, A. V., & Bayer, M. (2022). Transition magnon modes in thin ferromagnetic nanogratings. Physical Review B, 106(6), Article 064411. https://doi.org/10.1103/PhysRevB.106.064411

This work presents micromagnetic simulations in ferromagnetic nanogratings for the full range of directions of an applied in-plane external magnetic field. We focus on the modification of the magnon mode characteristics when the magnetic field orient... Read More about Transition magnon modes in thin ferromagnetic nanogratings.

A new emulated Monte Carlo radiative transfer disc-wind model: X-Ray Accretion Disc-wind Emulator – XRADE (2022)
Journal Article
Matzeu, G. A., Lieu, M., Costa, M. T., Reeves, J. N., Braito, V., Dadina, M., …Marchesi, S. (2022). A new emulated Monte Carlo radiative transfer disc-wind model: X-Ray Accretion Disc-wind Emulator – XRADE. Monthly Notices of the Royal Astronomical Society, 515(4), 6172-6190. https://doi.org/10.1093/mnras/stac2155

Abstract We present a new X-Ray Accretion Disk-wind Emulator (xrade) based on the 2.5D Monte Carlo radiative transfer code which provides a physically-motivated, self-consistent treatment of both absorption and emission from a disk-wind by computing... Read More about A new emulated Monte Carlo radiative transfer disc-wind model: X-Ray Accretion Disc-wind Emulator – XRADE.

Radiative first-order phase transitions to next-to-next-to-leading order (2022)
Journal Article
Ekstedt, A., Gould, O., & Löfgren, J. (2022). Radiative first-order phase transitions to next-to-next-to-leading order. Physical Review D, 106(3), Article 036012. https://doi.org/10.1103/PhysRevD.106.036012

We develop new perturbative tools to accurately study radiatively induced first-order phase transitions. Previous perturbative methods have suffered internal inconsistencies and been unsuccessful in reproducing lattice data, which is often attributed... Read More about Radiative first-order phase transitions to next-to-next-to-leading order.

Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys (2022)
Journal Article
Häußler, B., Vika, M., Bamford, S. P., Johnston, E. J., Brough, S., Casura, S., …Popescu, C. (2022). Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys. Astronomy and Astrophysics, 664, Article A92. https://doi.org/10.1051/0004-6361/202142935

Aims. We present the capabilities of Galapagos-2 and Galfitm in the context of fitting two-component profiles - bulge- disk decompositions - to galaxies, with the ultimate goal of providing complete multi-band, multi-component fitting of large sample... Read More about Galapagos-2/Galfitm/Gama – Multi-wavelength measurement of galaxy structure: Separating the properties of spheroid and disk components in modern surveys.

Dark sector domain walls could explain the observed planes of satellites (2022)
Journal Article
Naik, A. P., & Burrage, C. (2022). Dark sector domain walls could explain the observed planes of satellites. Journal of Cosmology and Astroparticle Physics, 2022(08), Article 020. https://doi.org/10.1088/1475-7516/2022/08/020

The observed 'planes of satellites' around the Milky Way and other nearby galaxies are notoriously difficult to explain under the ΛCDM paradigm. Here, we propose an alternative solution: domain walls arising in theories with symmetry-breaking scalar... Read More about Dark sector domain walls could explain the observed planes of satellites.

Detection and Characterisation of Conductive Objects Using Electromagnetic Induction and a Fluxgate Magnetometer (2022)
Journal Article
Elson, L., Meraki, A., Rushton, L. M., Pyragius, T., & Jensen, K. (2022). Detection and Characterisation of Conductive Objects Using Electromagnetic Induction and a Fluxgate Magnetometer. Sensors, 22(16), Article 5934. https://doi.org/10.3390/s22165934

Eddy currents induced in electrically conductive objects can be used to locate metallic objects as well as to assess the properties of materials non-destructively without physical contact. This technique is useful for material identification, such as... Read More about Detection and Characterisation of Conductive Objects Using Electromagnetic Induction and a Fluxgate Magnetometer.

Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques (2022)
Journal Article
Contreras-Santos, A., Knebe, A., Cui, W., Haggar, R., Pearce, F., Gray, M., …Yepes, G. (2022). Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques. Monthly Notices of the Royal Astronomical Society, 515(4), 5375-5388. https://doi.org/10.1093/mnras/stac2127

Close pairs of galaxies have been broadly studied in the literature as a way to understand galaxy interactions and mergers. In observations, they are usually defined by setting a maximum separation in the sky and in velocity along the line of sight,... Read More about Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques.

A global survey of healthcare professionals undertaking MRI of patients with cochlear implants: a heterogeneity of practice and opinions (2022)
Journal Article
Dewey, R. S., Bowtell, R., & Kitterick, P. (2022). A global survey of healthcare professionals undertaking MRI of patients with cochlear implants: a heterogeneity of practice and opinions. British Journal of Radiology, 95(1137), Article 20220213. https://doi.org/10.1259/bjr.20220213

Objective: To capture practice and opinions around the current clinical use of MRI in patients with cochlear implants (CIs), and to characterise patient progression from referral to image reporting. Methods: An online survey recruited 237 healthcare... Read More about A global survey of healthcare professionals undertaking MRI of patients with cochlear implants: a heterogeneity of practice and opinions.

Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures (2022)
Journal Article
Patanè, A., Felton, J., Blundo, E., Kudrynskyi, Z., Ling, S., Bradford, J., …Patane, A. (2022). Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures. Small, 18(33), Article 2202661. https://doi.org/10.1002/smll.202202661

The family of van der Waals (vdW) materials is large and diverse with applications ranging from electronics and optoelectronics to catalysis and chemical storage. However, despite intensive research, there remains significant knowledge-gaps pertainin... Read More about Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures.

Inferring Markovian quantum master equations of few-body observables in interacting spin chains (2022)
Journal Article
Carnazza, F., Carollo, F., Zietlow, D., Andergassen, S., Martius, G., & Lesanovsky, I. (2022). Inferring Markovian quantum master equations of few-body observables in interacting spin chains. New Journal of Physics, 24(7), Article 073033. https://doi.org/10.1088/1367-2630/ac7df6

Full information about a many-body quantum system is usually out-of-reach due to the exponential growth - with the size of the system - of the number of parameters needed to encode its state. Nonetheless, in order to understand the complex phenomenol... Read More about Inferring Markovian quantum master equations of few-body observables in interacting spin chains.

Linking microscale morphologies to localised performance in singlet fission quantum dot photon multiplier thin films (2022)
Journal Article
Toolan, D. T. W., Weir, M. P., Dowland, S., Winkel, J. F., Willmott, J. R., Zhang, Z., …Ryan, A. J. (2022). Linking microscale morphologies to localised performance in singlet fission quantum dot photon multiplier thin films. Journal of Materials Chemistry C, 10(31), 11192-11198. https://doi.org/10.1039/d2tc00677d

Hybrid small-molecule/quantum dot films have the potential to reduce thermalization losses in single-junction photovoltaics as photon multiplication devices. Here grazing incidence X-ray scattering, optical microscopy and IR fluorescence microscopy (... Read More about Linking microscale morphologies to localised performance in singlet fission quantum dot photon multiplier thin films.

Stable spontaneously-scalarized black holes in generalized scalar-tensor theories (2022)
Journal Article
Antoniou, G., Macedo, C. F., McManus, R., & Sotiriou, T. P. (2022). Stable spontaneously-scalarized black holes in generalized scalar-tensor theories. Physical Review D, 106(2), Article 024029. https://doi.org/10.1103/physrevd.106.024029

It has been shown that the synergy of a scalar field coupling with both the Ricci scalar and the Gauss-Bonnet invariant significantly affects the properties of scalarized black holes and neutron stars, including their domain of existence and the amou... Read More about Stable spontaneously-scalarized black holes in generalized scalar-tensor theories.

LMISA: A Lightweight Multi-modality Image Segmentation Network via Domain Adaptation using Gradient Magnitude and Shape Constraint (2022)
Journal Article
Jafari, M., Francis, S., Garibaldi, J. M., & Chen, X. (2022). LMISA: A Lightweight Multi-modality Image Segmentation Network via Domain Adaptation using Gradient Magnitude and Shape Constraint. Medical Image Analysis, 81, Article 102536. https://doi.org/10.1016/j.media.2022.102536

In medical image segmentation, supervised machine learning models trained using one image modality (e.g. computed tomography (CT)) are often prone to failure when applied to another image modality (e.g. magnetic resonance imaging (MRI)) even for the... Read More about LMISA: A Lightweight Multi-modality Image Segmentation Network via Domain Adaptation using Gradient Magnitude and Shape Constraint.

A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations (2022)
Journal Article
Wang, Y., Napolitano, N. R., Cui, W., Li, X. D., Knebe, A., Power, C., …Kang, X. (2022). A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations. Monthly Notices of the Royal Astronomical Society, 515(3), 3249-3269. https://doi.org/10.1093/mnras/stac1956

The star formation history (SFH) of galaxies is critical for understanding galaxy evolution. Hydrodynamical simulations enable us to precisely reconstruct the SFH of galaxies and establish a link to the underlying physical processes. In this work, we... Read More about A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations.

Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms (2022)
Journal Article
Cao, Y., Yang, W., Zhang, H., Jing, M., Li, W., Zhang, L., …Jia, S. (2022). Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms. Journal of the Optical Society of America B, 39(8), 2032-2036. https://doi.org/10.1364/JOSAB.459064

In this paper, we investigate the asymmetry of trap loss spectra of ultracold atoms during the excitation of Rydberg states. It is shown that the profile of a trap loss spectrum is affected by the density of Rydberg atoms as well as the dephasing rat... Read More about Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms.

SDSS-IV MaNGA: How the stellar populations of passive central galaxies depend on stellar and halo mass (2022)
Journal Article
Oyarzun, G. A., Bundy, K., Westfall, K. B., Tinker, J. L., Belfiore, F., Argudo-Fernandez, M., …Zhang, K. (2022). SDSS-IV MaNGA: How the stellar populations of passive central galaxies depend on stellar and halo mass. Astrophysical Journal, 933(1), Article 88. https://doi.org/10.3847/1538-4357/ac7048

We analyze spatially resolved and co-added SDSS-IV MaNGA spectra with signal-to-noise ratio ∼100 from 2200 passive central galaxies (z ∼ 0.05) to understand how central galaxy assembly depends on stellar mass (M*) and halo mass (Mh). We control for s... Read More about SDSS-IV MaNGA: How the stellar populations of passive central galaxies depend on stellar and halo mass.

Phonon dressing of a facilitated one-dimensional Rydberg lattice gas (2022)
Journal Article
Magoni, M., Mazza, P., & Lesanovsky, I. (2022). Phonon dressing of a facilitated one-dimensional Rydberg lattice gas. SciPost Physics Core, 5(3), Article 041. https://doi.org/10.21468/SciPostPhysCore.5.3.041

We study the dynamics of a one-dimensional Rydberg lattice gas under facilitation (antiblockade) conditions which implements a so-called kinetically constrained spin system. Here an atom can only be excited to a Rydberg state when one of its neighbor... Read More about Phonon dressing of a facilitated one-dimensional Rydberg lattice gas.