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All Outputs (107)

Deterministic Magnetization Switching Using Lateral Spin–Orbit Torque (2020)
Journal Article
Cao, Y., Sheng, Y., Edmonds, K. W., Ji, Y., Zheng, H., & Wang, K. (2020). Deterministic Magnetization Switching Using Lateral Spin–Orbit Torque. Advanced Materials, 32(16), Article 1907929. https://doi.org/10.1002/adma.201907929

Current-induced magnetization switching by spin–orbit torque (SOT) holds considerable promise for next generation ultralow-power memory and logic applications. In most cases, generation of spin–orbit torques has relied on an external injection of out... Read More about Deterministic Magnetization Switching Using Lateral Spin–Orbit Torque.

High Responsivity and Wavelength Selectivity of GaN?Based Resonant Cavity Photodiodes (2020)
Journal Article
Li, J., Yang, C., Liu, L., Cao, H., Lin, S., Xi, X., …Zhao, L. (2020). High Responsivity and Wavelength Selectivity of GaN‐Based Resonant Cavity Photodiodes. Advanced Optical Materials, 8(7), Article 1901276. https://doi.org/10.1002/adom.201901276

The implementation of blue-light photodiodes based on InGaN in emerging technologies, such as free-space visible light communication (VLC), requires transformative approaches towards enhanced performance, miniaturization, and integration beyond curre... Read More about High Responsivity and Wavelength Selectivity of GaN?Based Resonant Cavity Photodiodes.

Long-term NIR Variability in the UKIDSS Ultra Deep Survey: a new probe of AGN activity at high redshift (2020)
Journal Article
Elmer, E., Almaini, O., Merrifield, M., Hartley, W. G., Maltby, D. T., Lawrence, A., …Hirst, P. (2020). Long-term NIR Variability in the UKIDSS Ultra Deep Survey: a new probe of AGN activity at high redshift. Monthly Notices of the Royal Astronomical Society, 493(2), 3026-3035. https://doi.org/10.1093/mnras/staa381

We present the first attempt to select active galactic nuclei (AGN) using long-Term near-infrared (NIR) variability. By analysing the K-band light curves of all the galaxies in the UKIRT Infrared Deep Sky Survey (UKIDSS) Ultra Deep Survey, the deepes... Read More about Long-term NIR Variability in the UKIDSS Ultra Deep Survey: a new probe of AGN activity at high redshift.

Astrophysical Limits on Very Light Axion-like Particles from Chandra Grating Spectroscopy of NGC 1275 (2020)
Journal Article
Reynolds, C. S., Marsh, M. C. D., Russell, H. R., Fabian, A. C., Smith, R., Tombesi, F., & Veilleux, S. (2020). Astrophysical Limits on Very Light Axion-like Particles from Chandra Grating Spectroscopy of NGC 1275. Astrophysical Journal, 890(1), Article 59. https://doi.org/10.3847/1538-4357/ab6a0c

Axions/axion-like particles (ALPs) are a well-motivated extension of the Standard Model and are generic within String Theory. The X-ray transparency of the intracluster medium (ICM) in galaxy clusters is a powerful probe of light ALPs (with mass < 10... Read More about Astrophysical Limits on Very Light Axion-like Particles from Chandra Grating Spectroscopy of NGC 1275.

Controlling the dynamical scale factor in a trapped atom Sagnac interferometer (2020)
Journal Article
Zhou, Y., Lesanovsky, I., Fernholz, T., & Li, W. (2020). Controlling the dynamical scale factor in a trapped atom Sagnac interferometer. Physical Review A, 101(1), Article 012517. https://doi.org/10.1103/physreva.101.012517

Sagnac interferometers with massive particles promise unique advantages in achieving high-precision measurements of rotation rates over their optical counterparts. Recent proposals and experiments are exploring nonballistic Sagnac interferometers whe... Read More about Controlling the dynamical scale factor in a trapped atom Sagnac interferometer.

Design of Quantum Dot-Nanowire Single-Photon Sources that are Immune to Thermomechanical Decoherence (2019)
Journal Article
Artioli, A., Kotal, S., Gregersen, N., Verlot, P., Gérard, J., & Claudon, J. (2019). Design of Quantum Dot-Nanowire Single-Photon Sources that are Immune to Thermomechanical Decoherence. Physical Review Letters, 123(24), Article 247403. https://doi.org/10.1103/physrevlett.123.247403

Nanowire antennas embedding a single quantum dot (QD) have recently emerged as versatile platforms to realize bright sources of quantum light. In this theoretical work, we show that the thermally driven, low-frequency vibrations of the nanowire have... Read More about Design of Quantum Dot-Nanowire Single-Photon Sources that are Immune to Thermomechanical Decoherence.

Reduced Myelin Signal in Normal-appearing White Matter in Neuromyelitis Optica Measured by 7T Magnetic Resonance Imaging (2019)
Journal Article
Chou, I., Tanasescu, R., Mougin, O. E., Gowland, P. A., Tench, C. R., Whitehouse, W. P., …Constantinescu, C. S. (2019). Reduced Myelin Signal in Normal-appearing White Matter in Neuromyelitis Optica Measured by 7T Magnetic Resonance Imaging. Scientific Reports, 9, Article 14378. https://doi.org/10.1038/s41598-019-50928-0

Whether the integrity of normal-appearing white matter (NAWM) is preserved in neuromyelitis optica spectrum disorders (NMOSD) is open to debate. To examine whether the tissue integrity of NAWM in NMOSD is compromised compared to that in healthy contr... Read More about Reduced Myelin Signal in Normal-appearing White Matter in Neuromyelitis Optica Measured by 7T Magnetic Resonance Imaging.

The association between subcortical and cortical fMRI and lifetime noise exposure in listeners with normal hearing thresholds (2019)
Journal Article
Dewey, R. S., Francis, S. T., Guest, H., Prendergast, G., Millman, R. E., Plack, C. J., & Hall, D. A. (2020). The association between subcortical and cortical fMRI and lifetime noise exposure in listeners with normal hearing thresholds. NeuroImage, 204, https://doi.org/10.1016/j.neuroimage.2019.116239

© 2019 In animal models, exposure to high noise levels can cause permanent damage to hair-cell synapses (cochlear synaptopathy) for high-threshold auditory nerve fibers without affecting sensitivity to quiet sounds. This has been confirmed in several... Read More about The association between subcortical and cortical fMRI and lifetime noise exposure in listeners with normal hearing thresholds.

Quantum corrections to vacuum energy sequestering (with monodromy) (2019)
Journal Article
Kamal El-Menoufi, B., Nagy, S., Niedermann, F., & Padilla, A. (2019). Quantum corrections to vacuum energy sequestering (with monodromy). Classical and Quantum Gravity, 36(21), https://doi.org/10.1088/1361-6382/ab46f6

Field theory models of axion monodromy have been shown to exhibit vacuum energy sequestering as an emergent phenomenon for cancelling radiative corrections to the cosmological constant. We study one loop corrections to this class of models coming fro... Read More about Quantum corrections to vacuum energy sequestering (with monodromy).

From the outside looking in: what can Milky Way Analogues tell us about the star formation rate of our own galaxy? (2019)
Journal Article
Fraser-Mckelvie, A., Merrifield, M., & Aragón-Salamanca, A. (2019). From the outside looking in: what can Milky Way Analogues tell us about the star formation rate of our own galaxy?. Monthly Notices of the Royal Astronomical Society, 489(4), 5030–5036. https://doi.org/10.1093/mnras/stz2493

The Milky Way has been described as an anaemic spiral, but is its star formation rate (SFR) unusually low when compared to its peers? To answer this question, we define a sample of Milky Way Analogues (MWAs) based on stringent cuts on the best litera... Read More about From the outside looking in: what can Milky Way Analogues tell us about the star formation rate of our own galaxy?.

High-Frequency Elastic Coupling at the Interface of van der Waals Nanolayers Imaged by Picosecond Ultrasonics (2019)
Journal Article
Greener, J. D., de Lima Savi, E., Akimov, A. V., Raetz, S., Kudrynskyi, Z., Kovalyuk, Z. D., …Gusev, V. E. (2019). High-Frequency Elastic Coupling at the Interface of van der Waals Nanolayers Imaged by Picosecond Ultrasonics. ACS Nano, 13(10), 11530-11537. https://doi.org/10.1021/acsnano.9b05052

Although the topography of van de Waals (vdW) layers and heterostructures can be imaged by scanning probe microscopy, high-frequency interface elastic properties are more difficult to assess. These can influence the stability, reliability and perform... Read More about High-Frequency Elastic Coupling at the Interface of van der Waals Nanolayers Imaged by Picosecond Ultrasonics.

Accelerated relaxation and suppressed dynamic heterogeneity in a kinetically constrained (East) model with swaps (2019)
Journal Article
Gutiérrez, R., Garrahan, J. P., & Jack, R. L. (2019). Accelerated relaxation and suppressed dynamic heterogeneity in a kinetically constrained (East) model with swaps. Journal of Statistical Mechanics: Theory and Experiment, 2019(9), Article 094006. https://doi.org/10.1088/1742-5468/ab39d8

We introduce a kinetically constrained spin model with a local softness parameter, such that spin flips can violate the kinetic constraint with an (annealed) site-dependent rate. We show that adding MC swap moves to this model can dramatically accele... Read More about Accelerated relaxation and suppressed dynamic heterogeneity in a kinetically constrained (East) model with swaps.

AIRBED: a simpli?ed density functional theory model for physisorption on surfaces (2019)
Journal Article
Mason, S. E., Beton, P. H., & Besley, N. A. (2019). AIRBED: a simpli?ed density functional theory model for physisorption on surfaces. Journal of Chemical Theory and Computation, 15(10), 5628-5634. https://doi.org/10.1021/acs.jctc.9b00576

Dispersion interactions are commonly included in density functional theory (DFT) calculations through the addition of an empirical correction. In this study, a modi?cation is made to the damping function in DFT-D2 calculations, to describe repulsion... Read More about AIRBED: a simpli?ed density functional theory model for physisorption on surfaces.

Time-slicing spiral galaxies with SDSS-IV MaNGA (2019)
Journal Article
Peterken, T., Fraser-Mckelvie, A., Aragón-Salamanca, A., Merrifield, M., Kraljic, K., Knapen, J. H., …Drory, N. (2019). Time-slicing spiral galaxies with SDSS-IV MaNGA. Monthly Notices of the Royal Astronomical Society, 489(1), 1338–1343. https://doi.org/10.1093/mnras/stz2204/5548799

Spectra of galaxies contain a wealth of information about the stellar populations from which they are made. With integral-field unit (IFU) surveys, such data can be used to map out stellar population properties across the face of a galaxy, allowing o... Read More about Time-slicing spiral galaxies with SDSS-IV MaNGA.

The role of microstructural development in the hydrothermal corrosion of cast and HIPed Stellite 6 analogues in simulated PWR conditions (2019)
Journal Article
Karimi, G., Carrington, M., Thomas, J., Shipway, P., Stewart, D., & Hussain, T. (2019). The role of microstructural development in the hydrothermal corrosion of cast and HIPed Stellite 6 analogues in simulated PWR conditions. Corrosion Science, 159, Article 108141. https://doi.org/10.1016/j.corsci.2019.108141

The corrosion behaviour of cast and HIPed Stellite 6 analogue materials in PWR-simulating conditions was investigated. The cast alloy exhibited localised corrosion at the boundary between the matrix and the M7C3 carbides, with this being attributed t... Read More about The role of microstructural development in the hydrothermal corrosion of cast and HIPed Stellite 6 analogues in simulated PWR conditions.

Theory of double Cooper-pair tunneling and light emission mediated by a resonator (2019)
Journal Article
Morley, W. T., Di Marco, A., Mantovani, M., Stadler, P., Belzig, W., Rastelli, G., & Armour, A. (2019). Theory of double Cooper-pair tunneling and light emission mediated by a resonator. Physical Review B, 100(5), https://doi.org/10.1103/physrevb.100.054515

Photon emission by tunneling electrons can be encouraged by locating a resonator close to the tunnel junction and applying an appropriate voltage-bias. However, studies of normal metals show that the resonator also affects how the charges flow, facil... Read More about Theory of double Cooper-pair tunneling and light emission mediated by a resonator.

Subradiance-protected excitation transport (2019)
Journal Article
Needham, J. A., Lesanovsky, I., & Olmos, B. (2019). Subradiance-protected excitation transport. New Journal of Physics, 21(7), Article 073061. https://doi.org/10.1088/1367-2630/ab31e8

We explore excitation transport within a one-dimensional chain of atoms where the atomic transition dipoles are coupled to the free radiation field. When the atoms are separated by distances smaller or comparable to the wavelength of the transition,... Read More about Subradiance-protected excitation transport.