All Outputs (2183)

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.

Spectrally tailored hyperpixel filter arrays for efficient imaging of chemical compositions (2022)
Presentation / Conference Contribution
Taylor-Williams, M., Cousins, R., Williams, C., Bohndiek, S. E., Mellor, C. J., & Gordon, G. S. D. (2022). Spectrally tailored hyperpixel filter arrays for efficient imaging of chemical compositions. Proceedings of SPIE, 11954, https://doi.org/10.1117/12.2606917

We present a method for designing and fabricating 'HyperPixels': pixel filter arrays with custom spectral transmission properties that enable efficient imaging of specific chromophores or fluorophores. Multispectral imaging typically targets particul... Read More about Spectrally tailored hyperpixel filter arrays for efficient imaging of chemical compositions.

Witnessing Bell violations through probabilistic negativity (2022)
Journal Article
Morris, B., Fiderer, L. J., Lang, B., & Goldwater, D. (2022). Witnessing Bell violations through probabilistic negativity. Physical Review A, 105(3), Article 032202. https://doi.org/10.1103/physreva.105.032202

Bell's theorem shows that no local hidden-variable model can explain the measurement statistics of a quantum system shared between two parties, thus ruling out a classical (local) understanding of nature. In this paper we demonstrate that by relaxing... Read More about Witnessing Bell violations through probabilistic negativity.

Coherent ground-state transport of neutral atoms (2022)
Journal Article
Li, X. X., You, J. B., Shao, X. Q., & Li, W. (2022). Coherent ground-state transport of neutral atoms. Physical Review A, 105(3), Article 032417. https://doi.org/10.1103/PhysRevA.105.032417

Quantum state transport is an important way to study the energy or information flow. By combining the unconventional Rydberg pumping mechanism and the diagonal form of van der Waals interactions, we construct a theoretical model via second-order pert... Read More about Coherent ground-state transport of neutral atoms.

Analysis of I–V-T characteristics of Be-doped AlGaAs Schottky diodes grown on (100) GaAs substrates by molecular beam epitaxy (2022)
Journal Article
Oussalah, S., Filali, W., Garoudja, E., Zatout, B., Lekoui, F., Amrani, R., …Henini, M. (2022). Analysis of I–V-T characteristics of Be-doped AlGaAs Schottky diodes grown on (100) GaAs substrates by molecular beam epitaxy. Microelectronics Journal, 122, Article 105409. https://doi.org/10.1016/j.mejo.2022.105409

The temperature effect on the electrical characteristics of Au/Ti on Beryllium-doped Al0.29Ga0.71As Schottky diodes grown on (100) GaAs substrates by molecular beam epitaxy has been investigated for various temperatures ranging from 260 to 400 K. By... Read More about Analysis of I–V-T characteristics of Be-doped AlGaAs Schottky diodes grown on (100) GaAs substrates by molecular beam epitaxy.

Generalised scalar-tensor theories and self-tuning (2022)
Journal Article
Copeland, E. J., Ghataore, S., Niedermann, F., & Padilla, A. (2022). Generalised scalar-tensor theories and self-tuning. Journal of Cosmology and Astroparticle Physics, 2022(3), Article 004. https://doi.org/10.1088/1475-7516/2022/03/004

We explore a family of generalised scalar-tensor theories that exhibit self-tuning to low scale anti de Sitter vacua, even in the presence of a large cosmological constant. We are able to examine the linearised fluctuations about these vacua and comp... Read More about Generalised scalar-tensor theories and self-tuning.

Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride (2022)
Journal Article
Cassabois, G., Fugallo, G., Elias, C., Valvin, P., Rousseau, A., Gil, B., …Novikov, S. (2022). Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride. Physical Review X, 12(1), Article 011057. https://doi.org/10.1103/PhysRevX.12.011057

The light-matter interaction in bulk semiconductors is in the strong-coupling regime with hybrid eigenstates, the so-called exciton polaritons and phonon polaritons. In two-dimensional (2D) systems, the translational invariance is broken in the direc... Read More about Exciton and Phonon Radiative Linewidths in Monolayer Boron Nitride.

Terahertz control of photoluminescence emission in few-layer InSe (2022)
Journal Article
Venanzi, T., Selig, M., Pashkin, A., Winnerl, S., Katzer, M., Arora, H., …Schneider, H. (2022). Terahertz control of photoluminescence emission in few-layer InSe. Applied Physics Letters, 120(9), Article 092104. https://doi.org/10.1063/5.0080784

A promising route for the development of opto-electronic technology is to use terahertz radiation to modulate the optical properties of semiconductors. Here, we demonstrate the dynamical control of photoluminescence (PL) emission in few-layer InSe us... Read More about Terahertz control of photoluminescence emission in few-layer InSe.

The Value of ArtScience: improving the balance in collaboration practices between artists and scientists can impact knowledge production (2022)
Journal Article
Kuchner, U. (2022). The Value of ArtScience: improving the balance in collaboration practices between artists and scientists can impact knowledge production. Writing Visual Culture, 10.0, 23-42

In a time in which scientific knowledge is in danger of being discredited, we return to the responsibility of art and science. There is widespread optimism that collaborations between artists and scientists can develop solutions to complex problems,... Read More about The Value of ArtScience: improving the balance in collaboration practices between artists and scientists can impact knowledge production.

Gravitational collapse of quantum fields and Choptuik scaling (2022)
Journal Article
Berczi, B., Saffin, P. M., & Zhou, S.-Y. (2022). Gravitational collapse of quantum fields and Choptuik scaling. Journal of High Energy Physics, 2022(2), Article 183. https://doi.org/10.1007/jhep02%282022%29183

Gravitational collapse into a black hole has been extensively studied with classical sources. We develop a new formalism to simulate quantum fields forming a black hole. By choosing a convenient coherent state, this formalism taps into well-establish... Read More about Gravitational collapse of quantum fields and Choptuik scaling.

Triaxial detection of the neuromagnetic field using optically-pumped magnetometry: feasibility and application in children (2022)
Journal Article
Boto, E., Shah, V., Hill, R. M., Rhodes, N., Osborne, J., Doyle, C., …Brookes, M. J. (2022). Triaxial detection of the neuromagnetic field using optically-pumped magnetometry: feasibility and application in children. NeuroImage, 252, Article 119027. https://doi.org/10.1016/j.neuroimage.2022.119027

Optically-pumped magnetometers (OPMs) are an established alternative to superconducting sensors for magnetoencephalography (MEG), offering significant advantages including flexibility to accommodate any head size, uniform coverage, free movement duri... Read More about Triaxial detection of the neuromagnetic field using optically-pumped magnetometry: feasibility and application in children.

On the trapping of neutrons in Fabry–Pérot nano-structures and potential applications for cold neutron lifetime Investigations (2022)
Journal Article
Maaza, M., Pardo, B., Hamidi, D., Akbari, M., Morad, R., Henini, M., & Gibaud, A. (2023). On the trapping of neutrons in Fabry–Pérot nano-structures and potential applications for cold neutron lifetime Investigations. Journal of Neutron Research, 25(1), 13-28. https://doi.org/10.3233/jnr-220015

Correlated to the neutron total reflection phenomenon is the so-called frustrated total reflection, also known as neutron channeling, observed with both thermal and cold neutrons. Within this contribution, such a phenomenon is validated in various ad... Read More about On the trapping of neutrons in Fabry–Pérot nano-structures and potential applications for cold neutron lifetime Investigations.

Quintessence and the Swampland: The Numerically Controlled Regime of Moduli Space (2022)
Journal Article
Cicoli, M., Cunillera, F., Padilla, A., & Pedro, F. G. (2022). Quintessence and the Swampland: The Numerically Controlled Regime of Moduli Space. Fortschritte der Physik / Progress of Physics, 70(4), Article 2200008. https://doi.org/10.1002/prop.202200008

We provide a detailed discussion of the main theoretical and phenomenological challenges of quintessence model building in any numerically controlled regime of the moduli space of string theory. We argue that a working quintessence model requires a l... Read More about Quintessence and the Swampland: The Numerically Controlled Regime of Moduli Space.

Non-Hermiticity: a new paradigm for model building in particle physics (2022)
Presentation / Conference Contribution
Millington, P. (2022). Non-Hermiticity: a new paradigm for model building in particle physics. Proceedings of Science, 398, Article 735. https://doi.org/10.22323/1.398.0735

Non-Hermitian quantum theories have been applied in many other areas of physics. In this note, I will briefly review recent developments in the formulation of non-Hermitian quantum field theories, highlighting features that are unique compared to Her... Read More about Non-Hermiticity: a new paradigm for model building in particle physics.

A Developmental Perspective on Facets of Impulsivity and Brain Activity Correlates From Adolescence to Adulthood (2022)
Journal Article
Kaiser, A., Holz, N. E., Banaschewski, T., Baumeister, S., Bokde, A. L. W., Desrivières, S., …Nees, F. (2022). A Developmental Perspective on Facets of Impulsivity and Brain Activity Correlates From Adolescence to Adulthood. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 7(11), 1103-1115. https://doi.org/10.1016/j.bpsc.2022.02.003

Background: On a theoretical level, impulsivity represents a multidimensional construct associated with acting without foresight, inefficient inhibitory response control, and alterations in reward processing. On an empirical level, relationships and... Read More about A Developmental Perspective on Facets of Impulsivity and Brain Activity Correlates From Adolescence to Adulthood.

Perfect Chirality with Imperfect Polarization (2022)
Journal Article
Lang, B., McCutcheon, D. P., Harbord, E., Young, A. B., & Oulton, R. (2022). Perfect Chirality with Imperfect Polarization. Physical Review Letters, 128(7), Article 073602. https://doi.org/10.1103/physrevlett.128.073602

Unidirectional (chiral) emission of light from a circular dipole emitter into a waveguide is only possible at points of perfect circular polarization (C points), with elliptical polarizations yielding a lower directional contrast. However, there is n... Read More about Perfect Chirality with Imperfect Polarization.

The oscillatory effects of rhythmic median nerve stimulation (2022)
Journal Article
Houlgreave, M. S., Morera Maiquez, B., Brookes, M. J., & Jackson, S. R. (2022). The oscillatory effects of rhythmic median nerve stimulation. NeuroImage, 251, Article 118990. https://doi.org/10.1016/j.neuroimage.2022.118990

Entrainment of brain oscillations can be achieved using rhythmic non-invasive brain stimulation, and stimulation of the motor cortex at a frequency associated with sensorimotor inhibition can impair motor responses. Despite the potential for therapeu... Read More about The oscillatory effects of rhythmic median nerve stimulation.

Cosmic filaments delay quenching inside clusters (2022)
Journal Article
Kotecha, S., Welker, C., Zhou, Z., Wadsley, J., Kraljic, K., Sorce, J., …Cui, W. (2022). Cosmic filaments delay quenching inside clusters. Monthly Notices of the Royal Astronomical Society, 512(1), 926-944. https://doi.org/10.1093/mnras/stac300

We investigate how large-scale cosmic filaments impact the quenching of galaxies within one virial radius of 324 simulated clusters from The Three Hundred project. We track cosmic filaments with the versatile, observation-friendly program DisPerSE an... Read More about Cosmic filaments delay quenching inside clusters.

Giant and Tunneling Magnetoresistance in Unconventional Collinear Antiferromagnets with Nonrelativistic Spin-Momentum Coupling (2022)
Journal Article
Šmejkal, L., Hellenes, A. B., González-Hernández, R., Sinova, J., & Jungwirth, T. (2022). Giant and Tunneling Magnetoresistance in Unconventional Collinear Antiferromagnets with Nonrelativistic Spin-Momentum Coupling. Physical Review X, 12(1), Article 011028. https://doi.org/10.1103/PhysRevX.12.011028

Giant and tunneling magnetoresistance are physical phenomena used for reading information in commercial spintronic devices. The effects rely on a conserved spin current passing between a reference and a sensing ferromagnetic electrode in a multilayer... Read More about Giant and Tunneling Magnetoresistance in Unconventional Collinear Antiferromagnets with Nonrelativistic Spin-Momentum Coupling.

Fifth forces and broken scale symmetries in the Jordan frame (2022)
Journal Article
Copeland, E. J., Millington, P., & Sevillano Muñoz, S. (2022). Fifth forces and broken scale symmetries in the Jordan frame. Journal of Cosmology and Astroparticle Physics, 2022(02), Article 016. https://doi.org/10.1088/1475-7516/2022/02/016

We study the origin of fifth forces in scalar-tensor theories of gravity in the so-called Jordan frame, where the modifications to the gravitational sector are manifest. We focus on theories of Brans-Dicke type in which an additional scalar field is... Read More about Fifth forces and broken scale symmetries in the Jordan frame.