Outputs (203)

Spontaneous symmetry breaking and the Goldstone theorem in non-Hermitian field theories (2018)
Journal Article
Alexandre, J., Ellis, J., Millington, P., & Seynaeve, D. (2018). Spontaneous symmetry breaking and the Goldstone theorem in non-Hermitian field theories. Physical Review D, 98(4), Article 5001. https://doi.org/10.1103/physrevd.98.045001

We demonstrate the extension to parity-time (PT)-symmetric field theories of the Goldstone theorem, confirming that the spontaneous appearance of a field vacuum expectation value via minimization of the effective potential in a non-Hermitian model is... Read More about Spontaneous symmetry breaking and the Goldstone theorem in non-Hermitian field theories.

Substrate-induced shifts and screening in the fluorescence spectra of supramolecular adsorbed organic monolayers (2018)
Journal Article
Kerfoot, J., Korolkov, V. V., Nizovtsev, A. S., Jones, R., Taniguchi, T., Watanabe, K., …Beton, P. H. (2018). Substrate-induced shifts and screening in the fluorescence spectra of supramolecular adsorbed organic monolayers. Journal of Chemical Physics, 149(5), Article 054701. https://doi.org/10.1063/1.5041418

We have investigated the influence of the substrate on the fluorescence of adsorbed organic molecules. Monolayer films of perylene-3,4,9,10-tetracarboxylic-3,4,9,10-diimide (PTCDI), a supramolecular network formed from PTCDI and melamine, and perylen... Read More about Substrate-induced shifts and screening in the fluorescence spectra of supramolecular adsorbed organic monolayers.

Rotating kinky braneworlds (2018)
Journal Article
Niedermann, F., & Saffin, P. M. (2018). Rotating kinky braneworlds. Journal of High Energy Physics, 2018(7), Article 183. https://doi.org/10.1007/jhep07%282018%29183

Cylindrical braneworlds have been used in the literature as a convenient way to resolve co-dimension-two branes. They are prevented from collapsing by a massless worldvolume field with non-trivial winding, but here we discuss another way of preventin... Read More about Rotating kinky braneworlds.

Demonstration of differences in colonic volumes, transit, chyme consistency and response to psyllium between healthy and constipated subjects using magnetic resonance imaging (2018)
Journal Article
Major, G., Murray, K., Singh, G., Nowak, A., Hoad, C. L., Marciani, L., …Spiller, R. C. (2018). Demonstration of differences in colonic volumes, transit, chyme consistency and response to psyllium between healthy and constipated subjects using magnetic resonance imaging. Neurogastroenterology and Motility, 30(9), Article e13400. https://doi.org/10.1111/nmo.13400

Background: In functional gastrointestinal disorders a lack of objective biomarkers limits evaluation of underlying mechanisms. We aimed to demonstrate the utility of Magnetic Resonance Imaging (MRI) for this task using psyllium, an effective constip... Read More about Demonstration of differences in colonic volumes, transit, chyme consistency and response to psyllium between healthy and constipated subjects using magnetic resonance imaging.

Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks (2018)
Journal Article
Vidaurre, D., Hunt, L. T., Quinn, A. J., Hunt, B. A. E., Brookes, M. J., Nobre, A. C., & Woolrich, M. W. (2018). Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks. Nature Communications, 9(1), Article 2987. https://doi.org/10.1038/s41467-018-05316-z

© 2018, The Author(s). Frequency-specific oscillations and phase-coupling of neuronal populations are essential mechanisms for the coordination of activity between brain areas during cognitive tasks. Therefore, the ongoing activity ascribed to the di... Read More about Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks.

Composition and strain relaxation of In x Ga1−x N graded core–shell nanorods (2018)
Journal Article
Soundararajah, Q. Y., Webster, R. F., Griffiths, I. J., Novikov, S. V., Foxon, C. T., & Cherns, D. (2018). Composition and strain relaxation of In x Ga1−x N graded core–shell nanorods. Nanotechnology, 29(40), Article 405706. https://doi.org/10.1088/1361-6528/aad38d

Two In x Ga1−x N nanorod samples with graded In compositions of x = 0.5–0 (Ga-rich) and x = 0.5–1 (In-rich) grown by molecular beam epitaxy were studied using transmission electron microscopy. The nanorods had a wurtzite crystal structure with growth... Read More about Composition and strain relaxation of In x Ga1−x N graded core–shell nanorods.

Quantum slow relaxation and metastability due to dynamical constraints (2018)
Journal Article
Lan, Z., van Horssen, M., Powell, S., & Garrahan, J. P. (2018). Quantum slow relaxation and metastability due to dynamical constraints. Physical Review Letters, 121(4), 1-6. https://doi.org/10.1103/PhysRevLett.121.040603

One of the general mechanisms that give rise to the slow cooperative relaxation characteristic of classical glasses is the presence of kinetic constraints in the dynamics. Here we show that dynamical constraints can similarly lead to slow thermalisat... Read More about Quantum slow relaxation and metastability due to dynamical constraints.

A low FODMAP diet is associated with changes in the microbiota and reduction in breath hydrogen but not colonic volume in healthy subjects (2018)
Journal Article
Sloan, T. J., Jalanka, J., Major, G. A. D., Krishnasamy, S., Pritchard, S., Abdelrazig, S., …Spiller, R. C. (2018). A low FODMAP diet is associated with changes in the microbiota and reduction in breath hydrogen but not colonic volume in healthy subjects. PLoS ONE, 13(7), Article e0201410. https://doi.org/10.1371/journal.pone.0201410

Background & aims Ingestion of poorly digested, fermentable carbohydrates (fermentable oligo-, di-, mono-saccharides and polyols; FODMAPs) have been implicated in exacerbating intestinal symptoms and the reduction of intake with symptom alleviatio... Read More about A low FODMAP diet is associated with changes in the microbiota and reduction in breath hydrogen but not colonic volume in healthy subjects.

Pitfalls of a power-law parametrization of the primordial power spectrum for primordial black hole formation (2018)
Journal Article
Green, A. M. (2018). Pitfalls of a power-law parametrization of the primordial power spectrum for primordial black hole formation. Physical Review D, 98(2), https://doi.org/10.1103/PhysRevD.98.023529

Primordial Black Holes (PBHs) can form in the radiation dominated early Universe from the collapse of large density perturbations produced by inflation. A power-law parameterisation of the primordial power spectrum is often used to extrapolate from c... Read More about Pitfalls of a power-law parametrization of the primordial power spectrum for primordial black hole formation.

A catalogue of structural and morphological measurements for DES Y1 (2018)
Journal Article
Tarsitano, F., Hartley, W., Amara, A., Bluck, A., Bruderer, C., Carollo, M., …Walker, A. (2018). A catalogue of structural and morphological measurements for DES Y1. Monthly Notices of the Royal Astronomical Society, 481(2), 2018-2040. https://doi.org/10.1093/mnras/sty1970

We present a structural and morphological catalogue for 45 million objects selected from the first year data of the Dark Energy Survey (DES). Single Sersic fits and non-parametric measurements are produced for g, r, and i filters. The parameters from... Read More about A catalogue of structural and morphological measurements for DES Y1.