All Outputs (2092)

High-order fractal states in graphene superlattices (2018)
Journal Article
Krishna Kumar, R., Mishchenko, A., Chen, X., Pezzini, S., Auton, G., Ponomarenko, L., …Geim, A. (2018). High-order fractal states in graphene superlattices. Proceedings of the National Academy of Sciences, 115(20), https://doi.org/10.1073/pnas.1804572115

Graphene superlattices were shown to exhibit high-temperature quantum oscillations due to periodic emergence of delocalized Bloch states in high magnetic fields such that unit fractions of the flux quantum pierce a superlattice unit cell. Under these... Read More about High-order fractal states in graphene superlattices.

The VANDELS ESO public spectroscopic survey (2018)
Journal Article
McLure, R., Pentericci, L., Cimatti, A., Dunlop, J., Elbaz, D., Fontana, A., …Zucca, E. (2018). The VANDELS ESO public spectroscopic survey. Monthly Notices of the Royal Astronomical Society, 479(1), https://doi.org/10.1093/mnras/sty1213

VANDELS is a uniquely deep spectroscopic survey of high-redshift galaxies with the VIMOS spectrograph on ESO’s Very Large Telescope (VLT). The survey has obtained ultradeep optical (0.48 < λ < 1.0 μm) spectroscopy of ≃2100 galaxies within the redshif... Read More about The VANDELS ESO public spectroscopic survey.

Gate-Defined Quantum Confinement in InSe-Based van der Waals Heterostructures (2018)
Journal Article
Hamer, M. J., Tovari, E., Zhu, M., Thompson, M., Mayorov, A., Prance, J., …Gorbachev, R. (2018). Gate-Defined Quantum Confinement in InSe-Based van der Waals Heterostructures. Nano Letters, 18(6), 3950-3955. https://doi.org/10.1021/acs.nanolett.8b01376

© Copyright 2018 American Chemical Society. Indium selenide, a post-transition metal chalcogenide, is a novel two-dimensional (2D) semiconductor with interesting electronic properties. Its tunable band gap and high electron mobility have already attr... Read More about Gate-Defined Quantum Confinement in InSe-Based van der Waals Heterostructures.

Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe (2018)
Journal Article
Balakrishnan, N., Steer, E. D., Smith, E. F., Kudrynskyi, Z. R., Kovalyuk, Z. D., Eaves, L., …Beton, P. H. (2018). Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe. 2D Materials, 5(3), https://doi.org/10.1088/2053-1583/aac479

We demonstrate that γ-InSe and the α, β and γ phases of In2Se3 can be grown epitaxially on ε-GaSe substrates using a physical vapour transport method. By exploiting the temperature gradient within the tube furnace, we can grow selectively different p... Read More about Epitaxial growth of γ-InSe and α, β, and γ-In2Se3 on ε-GaSe.

Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal (2018)
Journal Article
Moro, F., Bhuiyan, M. A., Kudrynskyi, Z. R., Puttock, R., Kazakova, O., Makarovsky, O., …Patanè, A. (2018). Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal. Advanced Science, 5(7), Article 1800257. https://doi.org/10.1002/advs.201800257

The controlled manipulation of the spin and charge of electrons in a semiconductor has the potential to create new routes to digital electronics beyond Moore’s law, spintronics, and quantum detection and imaging for sensing applications. These techno... Read More about Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal.

Structural covariance and cortical reorganization in schizophrenia: a MRI-based morphometric study (2018)
Journal Article
Palaniyappan, L., Hodgson, O., Balain, V., Iwabuchi, S., Gowland, P., & Liddle, P. (2019). Structural covariance and cortical reorganization in schizophrenia: a MRI-based morphometric study. Psychological Medicine, 49(3), 412-420. https://doi.org/10.1017/S0033291718001010

Background: In patients with schizophrenia, distributed abnormalities are observed in grey matter volume. A recent hypothesis posits that these distributed changes are indicative of a plastic reorganization process occurring in response to a function... Read More about Structural covariance and cortical reorganization in schizophrenia: a MRI-based morphometric study.

Galaxy Zoo: constraining the origin of spiral arms (2018)
Journal Article
Hart, R. E., Bamford, S. P., Keel, W. C., Kruk, S. J., Masters, K. L., Simmons, B. D., & Smethurst, R. J. (2018). Galaxy Zoo: constraining the origin of spiral arms. Monthly Notices of the Royal Astronomical Society, 478(1), 932-949. https://doi.org/10.1093/mnras/sty1201

Since the discovery that the majority of low-redshift galaxies exhibit some level of spiral structure, a number of theories have been proposed as to why these patterns exist. A popular explanation is a process known as swing amplification, yet there... Read More about Galaxy Zoo: constraining the origin of spiral arms.

A simultaneous search for High-z LAEs and LBGs in the SHARDS survey (2018)
Journal Article
Haro, P. A., Espinosa, J. R., Muñoz-Tuñón, C., Pérez-González, P., Dannerbauer, H., Bongiovann, Á., …Rodighiero, G. (in press). A simultaneous search for High-z LAEs and LBGs in the SHARDS survey. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/sty1106

We have undertaken a comprehensive search for both Lyman Alpha Emitters (LAEs) and Lyman Break Galaxies (LBGs) in the SHARDS Survey of the GOODS-N field. SHARDS is a deep imaging survey, made with the 10.4 m Gran Telescopio Canarias (GTC), employing... Read More about A simultaneous search for High-z LAEs and LBGs in the SHARDS survey.

Observation of spin and valley splitting of Landau levels under magnetic tunneling in graphene/boron nitride/graphene structures (2018)
Journal Article
Khanin, Y., Vdovin, E., Larkin, I., Makarovsky, O., Sklyueva, Y., Mishchenko, A., …Novoselov, K. (in press). Observation of spin and valley splitting of Landau levels under magnetic tunneling in graphene/boron nitride/graphene structures. JETP Letters, 107(4), https://doi.org/10.1134/S0021364018040069

Resonance magnetic tunneling in heterostructures formed by graphene single sheets separated by a hexagonal boron nitride barrier and bounded by two gates has been investigated in a strong magnetic field, which has allowed observing transitions betwee... Read More about Observation of spin and valley splitting of Landau levels under magnetic tunneling in graphene/boron nitride/graphene structures.

The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment (2018)
Journal Article
Abolfathi, B., Aguado, D., Aguilar, G., Allende Prieto, C., Almeida, A., Ananna, T. T., …Smethurst, R. J. (in press). The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment. Astrophysical Journal Supplement, 235(2), https://doi.org/10.3847/1538-4365/aa9e8a

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourteenth from SDSS overall (making this, Data Release Fourteen or DR14). Th... Read More about The fourteenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment.

Quantifying MRI frequency shifts due to structures with anisotropic magnetic susceptibility using pyrolytic graphite sheet (2018)
Journal Article
Cronin, M., & Bowtell, R. W. (2018). Quantifying MRI frequency shifts due to structures with anisotropic magnetic susceptibility using pyrolytic graphite sheet. Scientific Reports, 8, Article 6259. https://doi.org/10.1038/s41598-018-24650-2

Magnetic susceptibility is an important source of contrast in magnetic resonance imaging (MRI), with spatial variations in the susceptibility of tissue affecting both the magnitude and phase of the measured signals. This contrast has generally been i... Read More about Quantifying MRI frequency shifts due to structures with anisotropic magnetic susceptibility using pyrolytic graphite sheet.

Ventromedial Prefrontal Volume in Adolescence Predicts Hyperactive/Inattentive Symptoms in Adulthood (2018)
Journal Article
Albaugh, M., Ivanova, M., Chaarani, B., Orr, C., Allgaier, N., Althoff, R., …Gowland, P. (2019). Ventromedial Prefrontal Volume in Adolescence Predicts Hyperactive/Inattentive Symptoms in Adulthood. Cerebral Cortex, 29(5), 1866-1874. https://doi.org/10.1093/cercor/bhy066

Youths with attention-deficit/hyperactivity disorder symptomatology often exhibit residual inattention and/or hyperactivity in adulthood; however, this is not true for all individuals. We recently reported that dimensional, multi-informant ratings of... Read More about Ventromedial Prefrontal Volume in Adolescence Predicts Hyperactive/Inattentive Symptoms in Adulthood.

Dispersive detection of radio-frequency-dressed states (2018)
Journal Article
Jammi, S., Pyragius, T., Bason, M. G., Florez, H. M., & Fernholz, T. (2018). Dispersive detection of radio-frequency-dressed states. Physical Review A, 97(4), Article 043416. https://doi.org/10.1103/PhysRevA.97.043416

We introduce a method to dispersively detect alkali atoms in radio-frequency dressed states. In particular, we use dressed detection to measure populations and population differences of atoms prepared in their clock states. Linear birefringence of th... Read More about Dispersive detection of radio-frequency-dressed states.

Testing star formation laws in a starburst galaxy at redshift 3 resolved with ALMA (2018)
Journal Article
Sharda, P., Federrath, C., da Cunha, E., Swinbank, A., & Dye, S. (2018). Testing star formation laws in a starburst galaxy at redshift 3 resolved with ALMA. Monthly Notices of the Royal Astronomical Society, 477(4), 4380-4390. https://doi.org/10.1093/mnras/sty886

Using high-resolution (sub-kiloparsec scale) data obtained by ALMA, we analyse the star formation rate (SFR), gas content, and kinematics in SDP 81, a gravitationally lensed starburst galaxy at redshift 3. We estimate the SFR surface density (ΣSFR) i... Read More about Testing star formation laws in a starburst galaxy at redshift 3 resolved with ALMA.

Spatial band-pass filtering aids decoding musical genres from auditory cortex 7T fMRI (2018)
Journal Article
Sengupta, A., Pollmann, S., & Hanke, M. (2018). Spatial band-pass filtering aids decoding musical genres from auditory cortex 7T fMRI. F1000Research, 7, https://doi.org/10.12688/f1000research.13689.2

Spatial filtering strategies, combined with multivariate decoding analysis of BOLD images, have been used to investigate the nature of the neural signal underlying the discriminability of brain activity patterns evoked by sensory stimulation – primar... Read More about Spatial band-pass filtering aids decoding musical genres from auditory cortex 7T fMRI.

Pretreatment lesions on magnetic resonance imaging in patients with hepatitis C virus infection diagnosed with hepatocellular carcinoma after initiating direct-acting antiviral therapy (2018)
Journal Article
Scott, R. A., Aithal, G. P., Francis, S. T., & Irving, W. L. (2018). Pretreatment lesions on magnetic resonance imaging in patients with hepatitis C virus infection diagnosed with hepatocellular carcinoma after initiating direct-acting antiviral therapy. Gastroenterology, 154(6), https://doi.org/10.1053/j.gastro.2017.12.047

SDSS-IV MaNGA: Star Formation Cessation in Low-redshift Galaxies. I. Dependence on Stellar Mass and Structural Properties (2018)
Journal Article
Riffel, R., Wang, E., Li, C., Xiao, T., Lin, L., Bershady, M., …Yan, R. (in press). SDSS-IV MaNGA: Star Formation Cessation in Low-redshift Galaxies. I. Dependence on Stellar Mass and Structural Properties. Astrophysical Journal, 856(2), https://doi.org/10.3847/1538-4357/aab263

We investigate radial gradients in the recent star formation history (SFH) of 1917 MaNGA galaxies with 0.01 < z < 0.14. For each galaxy, we obtain two-dimensional maps and radial profiles for three spectroscopically-measured parameters that are sensi... Read More about SDSS-IV MaNGA: Star Formation Cessation in Low-redshift Galaxies. I. Dependence on Stellar Mass and Structural Properties.

An SPH multi-fluid model based on quasi-buoyancy for interface stabilization up to high density ratios and realistic wave speed ratios (2018)
Journal Article
Kruisbrink, A. C., Pearce, F., Yue, T., & Morvan, H. (2018). An SPH multi-fluid model based on quasi-buoyancy for interface stabilization up to high density ratios and realistic wave speed ratios. International Journal for Numerical Methods in Fluids, 87(10), https://doi.org/10.1002/fld.4498

We introduce a Smoothed Particle Hydrodynamics (SPH) concept for the stabilization of the interface between two fluids. It is demonstrated that the change in the pressure gradient across the interface leads to a force imbalance. This force imbalance... Read More about An SPH multi-fluid model based on quasi-buoyancy for interface stabilization up to high density ratios and realistic wave speed ratios.

Holographic optical trapping Raman micro-spectroscopy for interacting live cells (2018)
Working Paper
Sinjab, F., Elsheikha, H. M., Awuah, D., Gibson, G., Padgett, M., Ghaemmaghami, A. M., & Notingher, I. Holographic optical trapping Raman micro-spectroscopy for interacting live cells

We present a combined holographic optical tweezers and confocal Raman spectroscopy instrument which allows fast, flexible, and interactive manipulation with molecular measurement of interacting live cell systems. Multiple laser foci created using a s... Read More about Holographic optical trapping Raman micro-spectroscopy for interacting live cells.

Spontaneous scalarization of black holes and compact stars from a Gauss-Bonnet coupling (2018)
Journal Article
Silva, H. O., Sakstein, J., Gualtieri, L., Sotiriou, T. P., & Berti, E. (2018). Spontaneous scalarization of black holes and compact stars from a Gauss-Bonnet coupling. Physical Review Letters, 120(13), Article 131104. https://doi.org/10.1103/PhysRevLett.120.131104

We identify a class of scalar-tensor theories with coupling between the scalar and the Gauss-Bonnet invariant that exhibit spontaneous scalarization for both black holes and compact stars. In particular, these theories formally admit all of the stati... Read More about Spontaneous scalarization of black holes and compact stars from a Gauss-Bonnet coupling.