Skip to main content

Research Repository

Advanced Search

All Outputs (434)

High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O (2022)
Journal Article
Rogers, J. P., Gallagher, L. A., Pizzey, D., Pritchett, J. D., Adams, C. S., Jones, M. P., …Lynch, S. A. (2022). High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O. Physical Review B, 105(11), Article 115206. https://doi.org/10.1103/physrevb.105.115206

We present a study of even-parity Rydberg exciton states in cuprous oxide using second harmonic generation (SHG) spectroscopy. Excitonic states with principal quantum number n = 5 − 12 were excited by nanosecond pulses around 1143 nm. Using time-reso... Read More about High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O.

Top-quark mass effects in H+jet and H+2 jets production (2022)
Journal Article
Chen, X., Huss, A., Jones, S., Kerner, M., Lang, J., Lindert, J., & Zhang, H. (2022). Top-quark mass effects in H+jet and H+2 jets production. Journal of High Energy Physics, 2022(3), Article 096. https://doi.org/10.1007/jhep03%282022%29096

We present calculations of Higgs boson production via gluon-gluon fusion in association with one or two additional jets at next-to-leading order in QCD. The calculation of H+jet is exact in the treatment of the top-quark mass, whereas for the H+2 jet... Read More about Top-quark mass effects in H+jet and H+2 jets production.

Galactic tides and the Crater II dwarf spheroidal: a challenge to LCDM? (2022)
Journal Article
Borukhovetskaya, A., Navarro, J. F., Errani, R., & Fattahi, A. (2022). Galactic tides and the Crater II dwarf spheroidal: a challenge to LCDM?. Monthly Notices of the Royal Astronomical Society, 512(4), 5247-5257. https://doi.org/10.1093/mnras/stac653

The unusually low velocity dispersion and large size of Crater II pose a challenge to our understanding of dwarf galaxies in the Lambda cold dark matter (LCDM) cosmogony. The low velocity dispersion suggests either a dark halo mass much lower than th... Read More about Galactic tides and the Crater II dwarf spheroidal: a challenge to LCDM?.

Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward (2022)
Journal Article
Aylett-Bullock, J., Gilman, R. T., Hall, I., Kennedy, D., Evers, E. S., Katta, A., …Luengo-Oroz, M. (2022). Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward. BMJ Global Health, 7(3), Article e007822. https://doi.org/10.1136/bmjgh-2021-007822

The spread of infectious diseases such as COVID-19 presents many challenges to healthcare systems and infrastructures across the world, exacerbating inequalities and leaving the world’s most vulnerable populations at risk. Epidemiological modelling i... Read More about Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward.

The resolved chemical abundance properties within the interstellar medium of star-forming galaxies at z≈ 1.5 (2022)
Journal Article
Gillman, S., Puglisi, A., Dudzevičiūtė, U., Swinbank, A., Tiley, A., Harrison, C., …Obreschkow, D. (2022). The resolved chemical abundance properties within the interstellar medium of star-forming galaxies at z≈ 1.5. Monthly Notices of the Royal Astronomical Society, 512(3), 3480-3499. https://doi.org/10.1093/mnras/stac580

We exploit the unprecedented depth of integral field data from the KMOS Ultra-deep Rotational Velocity Survey (KURVS) to analyse the strong (Hα) and forbidden ([NII], [SII]) emission line ratios in 22 main-sequence galaxies at z ≈ 1.5. Using the [NII... Read More about The resolved chemical abundance properties within the interstellar medium of star-forming galaxies at z≈ 1.5.

Computational Simulations Using Time-Dependent Ginzburg–Landau Theory for Nb–Ti-Like Microstructures (2022)
Journal Article
Haddon, C., Blair, A., Schoofs, F., & Hampshire, D. (2022). Computational Simulations Using Time-Dependent Ginzburg–Landau Theory for Nb–Ti-Like Microstructures. IEEE Transactions on Applied Superconductivity, 32(4), Article 8800105. https://doi.org/10.1109/tasc.2022.3156916

Simulations based on time-dependent Ginzburg–Landau theory are employed to determine the critical current for a model system which represents a Nb–Ti-like pinning landscape at low drawing strain. The system consists of ellipsoids of normal metal, wit... Read More about Computational Simulations Using Time-Dependent Ginzburg–Landau Theory for Nb–Ti-Like Microstructures.

Critical Current Densities through Josephson Junctions in Low Magnetic Fields (2022)
Journal Article
Din, B., Blair, A., Schoofs, F., & Hampshire, D. (2022). Critical Current Densities through Josephson Junctions in Low Magnetic Fields. IEEE Transactions on Applied Superconductivity, 32(4), Article 8000805. https://doi.org/10.1109/tasc.2022.3156908

Understanding the properties of grain boundaries in polycrystalline superconductors is essential for optimizing their critical current density. Here, we provide computational simulations of 2D Josephson junctions (JJs) in low magnetic fields using ti... Read More about Critical Current Densities through Josephson Junctions in Low Magnetic Fields.

Structural Diversity of Rare-Earth Oxychalcogenides (2022)
Journal Article
Orr, M., Hebberd, G. R., McCabe, E. E., & Macaluso, R. T. (2022). Structural Diversity of Rare-Earth Oxychalcogenides. ACS Omega, 7(10), 8209-8218. https://doi.org/10.1021/acsomega.2c00186

Mixed-anion systems have garnered much attention in the past decade with attractive properties for diverse applications such as energy conversion, electronics, and catalysis. The discovery of new materials through mixed-cation and single-anion system... Read More about Structural Diversity of Rare-Earth Oxychalcogenides.

Modelling high-resolution ALMA observations of strongly lensed dusty star-forming galaxies detected by Herschel (2022)
Journal Article
Maresca, J., Dye, S., Amvrosiadis, A., Bendo, G., Cooray, A., De Zotti, G., …Wardlow, J. (2022). Modelling high-resolution ALMA observations of strongly lensed dusty star-forming galaxies detected by Herschel. Monthly Notices of the Royal Astronomical Society, 512(2), 2426-2438. https://doi.org/10.1093/mnras/stac585

We present modelling of ∼0.1 arcsec resolution Atacama Large Millimetre/submillimetre Array imaging of seven strong gravitationally lensed galaxies detected by the Herschel Space Observatory. Four of these systems are galaxy–galaxy strong lenses, wit... Read More about Modelling high-resolution ALMA observations of strongly lensed dusty star-forming galaxies detected by Herschel.

The KLEVER survey: nitrogen abundances at z ∼ 2 and probing the existence of a fundamental nitrogen relation (2022)
Journal Article
Hayden-Pawson, C., Curti, M., Maiolino, R., Cirasuolo, M., Belfiore, F., Cappellari, M., …Vincenzo, F. (2022). The KLEVER survey: nitrogen abundances at z ∼ 2 and probing the existence of a fundamental nitrogen relation. Monthly Notices of the Royal Astronomical Society, 512(2), 2867-2889. https://doi.org/10.1093/mnras/stac584

We present a comparison of the nitrogen-to-oxygen ratio (N/O) in 37 high-redshift galaxies at z ∼ 2 taken from the KMOS Lensed Emission Lines and VElocity Review (KLEVER) Survey with a comparison sample of local galaxies, taken from the Sloan Digital... Read More about The KLEVER survey: nitrogen abundances at z ∼ 2 and probing the existence of a fundamental nitrogen relation.

Constructing high-fidelity halo merger trees in abacussummit (2022)
Journal Article
Bose, S., Eisenstein, D. J., Hadzhiyska, B., Garrison, L. H., & Yuan, S. (2022). Constructing high-fidelity halo merger trees in abacussummit. Monthly Notices of the Royal Astronomical Society, 512(1), 837-854. https://doi.org/10.1093/mnras/stac555

Tracking the formation and evolution of dark matter haloes is a critical aspect of any analysis of cosmological N-body simulations. In particular, the mass assembly of a halo and its progenitors, encapsulated in the form of its merger tree, serves as... Read More about Constructing high-fidelity halo merger trees in abacussummit.

A persistent ultraviolet outflow from an accreting neutron star binary transient (2022)
Journal Article
Castro Segura, N., Knigge, C., Long, K., Altamirano, D., Armas Padilla, M., Bailyn, C., …Wiseman, P. (2022). A persistent ultraviolet outflow from an accreting neutron star binary transient. Nature, 603(7899), 52-57. https://doi.org/10.1038/s41586-021-04324-2

All disc-accreting astrophysical objects produce powerful disc winds. In compact binaries containing neutron stars or black holes, accretion often takes place during violent outbursts. The main disc wind signatures during these eruptions are blue-shi... Read More about A persistent ultraviolet outflow from an accreting neutron star binary transient.

Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions (2022)
Journal Article
Driver, S. P., Bellstedt, S., Robotham, A. S., Baldry, I. K., Davies, L. J., Liske, J., …Wilkins, S. M. (2022). Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions. Monthly Notices of the Royal Astronomical Society, 513(1), 439-467. https://doi.org/10.1093/mnras/stac472

In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248 682 galaxy spectra, and, in combination with earlier surveys, results in 330 542 redshifts across five sky regions cove... Read More about Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions.

The local hole: a galaxy underdensity covering 90 per cent of sky to ≈200 Mpc (2022)
Journal Article
Wong, J. H., Shanks, T., Metcalfe, N., & Whitbourn, J. (2022). The local hole: a galaxy underdensity covering 90 per cent of sky to ≈200 Mpc. Monthly Notices of the Royal Astronomical Society, 511(4), 5742-5755. https://doi.org/10.1093/mnras/stac396

We investigate the ‘Local Hole’, an anomalous underdensity in the local galaxy environment, by extending our previous galaxy K-band number-redshift and number-magnitude counts to ≈90 per cent of the sky. Our redshift samples are taken from the 2MASS... Read More about The local hole: a galaxy underdensity covering 90 per cent of sky to ≈200 Mpc.

Host Dark Matter Halos of SDSS Red and Blue Quasars: No Significant Difference in Large-scale Environment (2022)
Journal Article
Petter, G. C., Hickox, R. C., Alexander, D. M., Geach, J. E., Myers, A. D., Rosario, D. J., …Whalen, K. E. (2022). Host Dark Matter Halos of SDSS Red and Blue Quasars: No Significant Difference in Large-scale Environment. Astrophysical Journal, 927(1), Article 16. https://doi.org/10.3847/1538-4357/ac4d31

The observed optical colors of quasars are generally interpreted in one of two frameworks: unified models that attribute the color to the random orientation of the accretion disk along the line of sight, and evolutionary models that invoke connection... Read More about Host Dark Matter Halos of SDSS Red and Blue Quasars: No Significant Difference in Large-scale Environment.

Magnetic damping in ferromagnetic/heavy-metal systems: The role of interfaces and the relation to proximity-induced magnetism (2022)
Journal Article
Swindells, C., Głowiński, H., Choi, Y., Haskel, D., Michałowski, P., Hase, T., …Atkinson, D. (2022). Magnetic damping in ferromagnetic/heavy-metal systems: The role of interfaces and the relation to proximity-induced magnetism. Physical Review B, 105(9), Article 094433. https://doi.org/10.1103/physrevb.105.094433

Damping and spin transport in spintronic multilayered systems continues to be a topic of active research. The enhancement of damping in ferromagnet (FM)/spacer layer (SL)/heavy-metal (HM) thin-film systems was studied for Co 25 Fe 75 / SL / Pt with a... Read More about Magnetic damping in ferromagnetic/heavy-metal systems: The role of interfaces and the relation to proximity-induced magnetism.

A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2 (2022)
Journal Article
Berlie, A., Terry, I., Szablewski, M., Telling, M., Apperley, D., Hodgkinson, P., & Zeller, D. (2022). A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2. Physical Chemistry Chemical Physics, 24(12), 7481-7492. https://doi.org/10.1039/d2cp00142j

With rising interest in organic-based functional materials, it is important to understand the nature of magnetic and electrical transitions within these types of systems. One intriguing material is triethylammonium bis-7,7,8,8-tetracyanoquinodimethan... Read More about A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2.

VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD (2022)
Journal Article
Gauld, R., Gehrmann-De Ridder, A., Glover, E., Huss, A., & Majer, I. (2022). VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD. Journal of High Energy Physics, 2022(3), Article 8. https://doi.org/10.1007/jhep03%282022%29008

We present precise predictions for the hadronic production of an on-shell Higgs boson in association with a leptonically decaying gauge boson and a jet up to order α3s. We include the complete set of NNLO QCD corrections to both charged- and neutral-... Read More about VH + jet production in hadron-hadron collisions up to order α3s in perturbative QCD.

A LOFAR view into the stormy environment of the galaxy cluster 2A0335+096 (2022)
Journal Article
Ignesti, A., Brunetti, G., Shimwell, T., Gitti, M., Birzan, L., Botteon, A., …van Weeren, R. (2022). A LOFAR view into the stormy environment of the galaxy cluster 2A0335+096. Astronomy & Astrophysics, 659, Article A20. https://doi.org/10.1051/0004-6361/202142549

Context. Radio observations represent a powerful probe of the physics occurring in the intracluster medium (ICM) because they trace the relativistic cosmic rays in the cluster magnetic fields, or within galaxies themselves. By probing the low-energy... Read More about A LOFAR view into the stormy environment of the galaxy cluster 2A0335+096.