All Outputs (168)

Dynamics of junctions and the multitension velocity-dependent one-scale model (2019)
Journal Article
Rybak, I., Avgoustidis, A., & Martins, C. (2019). Dynamics of junctions and the multitension velocity-dependent one-scale model. Physical Review D, 99(6), Article 063516. https://doi.org/10.1103/physrevd.99.063516

The dynamics of string junctions and their influence on the evolution of cosmic superstring networks are studied in full detail. We review kinematic constraints for colliding strings in a Friedmann-Lemaître-Robertson-Walker background and obtain the... Read More about Dynamics of junctions and the multitension velocity-dependent one-scale model.

Low smoking-exposure, the adolescent brain, and the modulating role of CHRNA5 polymorphisms (2019)
Journal Article
Chaarani, B., Kan, K., Mackey, S., Spechler, P. A., Potter, A., Orr, C., …Garavan, H. (2019). Low smoking-exposure, the adolescent brain, and the modulating role of CHRNA5 polymorphisms. Biological Psychiatry, 4(7), 672-679. https://doi.org/10.1016/j.bpsc.2019.02.006

© 2019 Background: Studying the neural consequences of tobacco smoking during adolescence, including those associated with early light use, may help expose the mechanisms that underlie the transition from initial use to nicotine dependence in adultho... Read More about Low smoking-exposure, the adolescent brain, and the modulating role of CHRNA5 polymorphisms.

Stability of scalarized black hole solutions in scalar-Gauss-Bonnet gravity (2019)
Journal Article
Silva, H. O., Macedo, C. F., Sotiriou, T. P., Gualtieri, L., Sakstein, J., & Berti, E. (2019). Stability of scalarized black hole solutions in scalar-Gauss-Bonnet gravity. Physical Review D, 99(6), 1-9. https://doi.org/10.1103/physrevd.99.064011

Scalar-tensor theories of gravity where a new scalar degree of freedom couples to the Gauss-Bonnet invariant can exhibit the phenomenon of spontaneous black hole scalarization. These theories admit both the classic black hole solutions predicted by g... Read More about Stability of scalarized black hole solutions in scalar-Gauss-Bonnet gravity.

CO, H 2 O, H 2 O + line and dust emission in a z = 3.63 strongly lensed starburst merger at sub-kiloparsec scales (2019)
Journal Article
Yang, C., Gavazzi, R., Beelen, A., Cox, P., Omont, A., Lehnert, M., …Van Der Werf, P. (2019). CO, H 2 O, H 2 O + line and dust emission in a z = 3.63 strongly lensed starburst merger at sub-kiloparsec scales. Astronomy and Astrophysics, 624(2019), Article A138. https://doi.org/10.1051/0004-6361/201833876

Using the Atacama Large Millimeter/submillimeter Array (ALMA), we report high angular-resolution observations of the redshift z =3.63 galaxy H-ATLAS J083051.0+013224 (G09v1.97), one of the most luminous strongly lensed galaxies discovered by the Hers... Read More about CO, H 2 O, H 2 O + line and dust emission in a z = 3.63 strongly lensed starburst merger at sub-kiloparsec scales.

Stable single light bullets and vortices and their active control in cold Rydberg gases (2019)
Journal Article
Bai, Z., Li, W., & Huang, G. (2019). Stable single light bullets and vortices and their active control in cold Rydberg gases. Optica, 6(3), 309-317. https://doi.org/10.1364/OPTICA.6.000309

Realizing single light bullets and vortices that are stable in high dimensions is a long-standing goal in the study of nonlinear optical physics. On the other hand, the storage and retrieval of such stable high dimensional optical pulses may offer a... Read More about Stable single light bullets and vortices and their active control in cold Rydberg gases.

Spatially-offset Raman spectroscopy for monitoring mineralization of bone tissue engineering scaffolds: feasibility study based on phantom samples (2019)
Journal Article
Dooley, M., Prasopthum, A., Liao, Z., Sinjab, F., Mclaren, J., Rose, F. R. A. J., …Notingher, I. (2019). Spatially-offset Raman spectroscopy for monitoring mineralization of bone tissue engineering scaffolds: feasibility study based on phantom samples. Biomedical Optics Express, 10(4), 1678-1690. https://doi.org/10.1364/BOE.10.001678

Using phantom samples, we investigated the feasibility of spatially-offset Raman spectroscopy (SORS) as a tool for monitoring non-invasively the mineralization of bone tissue engineering scaffold in-vivo. The phantom samples consisted of 3D-printed s... Read More about Spatially-offset Raman spectroscopy for monitoring mineralization of bone tissue engineering scaffolds: feasibility study based on phantom samples.

Shot-noise-limited nanomechanical detection and radiation pressure backaction from an electron beam (2019)
Journal Article
Pairis, S., Donatini, F., Hocevar, M., Tumanov, D., Vaish, N., Claudon, J., …Verlot, P. (2019). Shot-noise-limited nanomechanical detection and radiation pressure backaction from an electron beam. Physical Review Letters, 122(8), Article 083603. https://doi.org/10.1103/physrevlett.122.083603

Detecting nanomechanical motion has become an important challenge in science and technology. Recently, electromechanical coupling to focused electron beams has emerged as a promising method adapted to ultralow scale systems. However the fundamental m... Read More about Shot-noise-limited nanomechanical detection and radiation pressure backaction from an electron beam.

Spatio-Temporal Motility MRI (STMM) analysis of the stomach and colon (2019)
Journal Article
Menys, A., Hoad, C., Spiller, R., Scott, M., Atkinson, D., Marciani, L., & Taylor, S. (2019). Spatio-Temporal Motility MRI (STMM) analysis of the stomach and colon. Neurogastroenterology and Motility, 31(5), https://doi.org/10.1111/nmo.13557

Background: MRI is increasingly used to objectively assess gastrointestinal motility. However, motility metrics often do no not offer insights into the nature of contractile action. This study introduces a systematic method of making spatiotemporal... Read More about Spatio-Temporal Motility MRI (STMM) analysis of the stomach and colon.

Spatio-Temporal Motility MRI analysis of the stomach and colon (2019)
Journal Article
Menys, A., Hoad, C., Spiller, R., Scott, M., Atkinson, D., Marciani, L., & Taylor, S. (2019). Spatio-Temporal Motility MRI analysis of the stomach and colon. Neurogastroenterology and Motility, 31(5), Article e13557. https://doi.org/10.1111/nmo.13557

Background: MRI is increasingly used to objectively assess gastrointestinal motility. However, motility metrics often do no not offer insights into the nature of contractile action. This study introduces a systematic method of making spatiotemporal m... Read More about Spatio-Temporal Motility MRI analysis of the stomach and colon.

Multilevel information storage using magnetoelastic layer stacks (2019)
Journal Article
Pattnaik, D., Beardsley, R., Love, C., Cavill, S., Edmonds, K., & Rushforth, A. (2019). Multilevel information storage using magnetoelastic layer stacks. Scientific Reports, 9, Article 3156. https://doi.org/10.1038/s41598-019-39775-1

The use of voltages to control magnetisation via the inverse magnetostriction effect in piezoelectric/ferromagnet heterostructures holds promise for ultra-low energy information storage technologies. Epitaxial galfenol, an alloy of iron and gallium,... Read More about Multilevel information storage using magnetoelastic layer stacks.

Emergent SO(5) symmetry at the columnar ordering transition in the classical cubic dimer model (2019)
Journal Article
Sreejith, G., Powell, S., & Nahum, A. (2019). Emergent SO(5) symmetry at the columnar ordering transition in the classical cubic dimer model. Physical Review Letters, 122(8), Article 080601. https://doi.org/10.1103/PhysRevLett.122.080601

The classical cubic-lattice dimer model undergoes an unconventional transition between a columnar crystal and a dimer liquid, in the same universality class as the deconfined quantum critical point in spin-1/2 anti-ferromagnets but with very differen... Read More about Emergent SO(5) symmetry at the columnar ordering transition in the classical cubic dimer model.

A low-friction graphene nanoplatelets film from suspension high velocity oxy-fuel thermal spray (2019)
Journal Article
Venturi, F., Rance, G. A., Thomas, J., & Hussain, T. (2019). A low-friction graphene nanoplatelets film from suspension high velocity oxy-fuel thermal spray. AIP Advances, 9(2), 025216. https://doi.org/10.1063/1.5089021

The addition of graphene-based nanomaterials is known to improve the tribology properties of materials by lowering the coefficient of friction and reducing wear. The covering of small areas with thin graphene-based films is routinely carried out; how... Read More about A low-friction graphene nanoplatelets film from suspension high velocity oxy-fuel thermal spray.

Revealing reionization with the thermal history of the intergalactic medium: new constrainst from the Lyα flux power spectrum (2019)
Journal Article
Boera, E., Becker, G. D., Bolton, J. S., & Nasir, F. (2019). Revealing reionization with the thermal history of the intergalactic medium: new constrainst from the Lyα flux power spectrum. Astrophysical Journal, 872(1), 1-35. https://doi.org/10.3847/1538-4357/aafee4

We present a new investigation of the thermal history of the intergalactic medium (IGM) during and after reionization using the Lyman-α forest flux power spectrum at 4.0 z 5.2. Using a sample of 15 high– resolution spectra, we measure the flux power... Read More about Revealing reionization with the thermal history of the intergalactic medium: new constrainst from the Lyα flux power spectrum.

Comparison of forced and impulse oscillometry measurements: a clinical population and printed airway model study (2019)
Journal Article
Soares, M., Richardson, M., Thorpe, J., Owers-Bradley, J., & Siddiqui, S. (2019). Comparison of forced and impulse oscillometry measurements: a clinical population and printed airway model study. Scientific Reports, 9, Article 2130. https://doi.org/10.1038/s41598-019-38513-x

The use of commercialised forced oscillation (FOT) devices to assess impedance in obstructive diseases such as asthma has gained popularity. However, it has yet to be fully established whether resistance and reactance measurements are comparable acro... Read More about Comparison of forced and impulse oscillometry measurements: a clinical population and printed airway model study.

SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies (2019)
Journal Article
Tabor, M., Merrifield, M., Aragón-Salamanca, A., Fraser-Mckelvie, A., Peterken, T., Smethurst, R., …Lane, R. R. (2019). SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies. Monthly Notices of the Royal Astronomical Society, 485(2), 1546–1558. https://doi.org/10.1093/mnras/stz431

By applying spectroscopic decomposition methods to a sample of MaNGA early-type galaxies, we separate out spatially and kinematically distinct stellar populations, allowing us to explore the similarities and differences between galaxy bulges and disc... Read More about SDSS IV MaNGA: full spectroscopic bulge-disc decomposition of MaNGA early-type galaxies.

Dark Energy after GW170817 Revisited (2019)
Journal Article
Copeland, E. J., Kopp, M., Padilla, A., Saffin, P. M., & Skordis, C. (2019). Dark Energy after GW170817 Revisited. Physical Review Letters, 122(6), Article 061301. https://doi.org/10.1103/physrevlett.122.061301

We revisit the status of scalar-tensor theories with applications to dark energy in the aftermath of the gravitational wave signal GW170817 and its optical counterpart GRB170817A. At the level of the cosmological background, we identify a class of th... Read More about Dark Energy after GW170817 Revisited.

The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library (2019)
Journal Article
Aguado, D., Ahumada, R., Almeida, A., Anderson, S. F., Andrews, B. H., Anguiano, B., …Zou, H. (2019). The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library. Astrophysical Journal Supplement, 240(2), 1-25. https://doi.org/10.3847/1538-4365/aaf651

Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (2014 July–2017 July). This is the third data release for... Read More about The fifteenth data release of the Sloan Digital Sky Surveys: first release of MaNGA derived quantities, data visualization tools and stellar library.

PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel (2019)
Journal Article
Frye, B. L., Pascale, M., Qin, Y., Zitrin, A., Diego, J., Walth, G., …Windhorst, R. A. (2019). PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel. Astrophysical Journal, 871(1), Article 51. https://doi.org/10.3847/1538-4357/aaeff7

© 2019. The American Astronomical Society. All rights reserved.. We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their rest-frame far-infrared colo... Read More about PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel.

TheThreeHundred Project: ram pressure and gas content of haloes and subhaloes in the phase-space plane (2019)
Journal Article
Arthur, J., Pearce, F. R., Gray, M. E., Knebe, A., Cui, W., Elahi, P. J., …Stevens, A. R. H. (2019). TheThreeHundred Project: ram pressure and gas content of haloes and subhaloes in the phase-space plane. Monthly Notices of the Royal Astronomical Society, 484(3), 3968-3983. https://doi.org/10.1093/mnras/stz212

We use THETHREEHUNDRED project, a suite of 324 resimulated massive galaxy clusters embedded in a broad range of environments, to investigate (i) how the gas content of the surrounding haloes correlates with the phase-space position at z z = 0 and (i... Read More about TheThreeHundred Project: ram pressure and gas content of haloes and subhaloes in the phase-space plane.

Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy (2019)
Journal Article
Mais, M., Torroba, J., Barrow, N. S., Paul, S., & Titman, J. J. (2019). Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy. Solid State Nuclear Magnetic Resonance, 98, 19-23. https://doi.org/10.1016/j.ssnmr.2019.01.004

Selenate-loaded selenium water remediation materials based on polymer fibres have been investigated by dynamic nuclear polarization (DNP) enhanced solid-state NMR. For carbon-13 a significant reduction in experiment time is obtained with DNP even whe... Read More about Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy.