All Outputs (230)

Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system (2017)
Journal Article
Gutiérrez, R., Simonelli, C., Archimi, M., Castellucci, F., Arimondo, E., Ciampini, D., …Morsch, O. (2017). Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system. Physical Review A, 96(4), Article 041602(R). https://doi.org/10.1103/PhysRevA.96.041602

Understanding and probing phase transitions in non-equilibrium systems is an ongoing challenge in physics. A particular instance are phase transitions that occur between a non-fluctuating absorbing phase, e.g., an extinct population, and one in which... Read More about Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system.

Exploring ultra-fast charge transfer and vibronic coupling with N 1s RIXS maps of an aromatic molecule coupled to a semiconductor (2017)
Journal Article
O'Shea, J. N., Handrup, K., Temperton, R. H., Gibson, A. J., Nicolaou, A., & Jaouen, N. (in press). Exploring ultra-fast charge transfer and vibronic coupling with N 1s RIXS maps of an aromatic molecule coupled to a semiconductor. Journal of Chemical Physics, 147(13), Article 134705. https://doi.org/10.1063/1.4999135

We present for the first time two-dimensional resonant inelastic x-ray scattering (RIXS) maps of multilayer and monolayer biisonicotinic acid adsorbed on the rutile TiO2(110) single crystal surface. This enables the elastic channel to be followed ove... Read More about Exploring ultra-fast charge transfer and vibronic coupling with N 1s RIXS maps of an aromatic molecule coupled to a semiconductor.

Dynamics of large-scale electrophysiological networks: a technical review (2017)
Journal Article
O'Neill, G. C., Tewarie, P. K., Vidaurre, D., Liuzzi, L., Woolrich, M. W., & Brookes, M. J. (2017). Dynamics of large-scale electrophysiological networks: a technical review. NeuroImage, https://doi.org/10.1016/j.neuroimage.2017.10.003

For several years it has been argued that neural synchronisation is crucial for cognition. The idea that synchronised temporal patterns between different neural groups carries information above and beyond the isolated activity of these groups has ins... Read More about Dynamics of large-scale electrophysiological networks: a technical review.

Epidemic dynamics in open quantum spin systems (2017)
Journal Article
Perez-Espigares, C., Marcuzzi, M., Gutierrez, R., & Lesanovsky, I. (2017). Epidemic dynamics in open quantum spin systems. Physical Review Letters, 119(14), 1-6. https://doi.org/10.1103/PhysRevLett.119.140401

We explore the non-equilibrium evolution and stationary states of an open many-body system which displays epidemic spreading dynamics in a classical and a quantum regime. Our study is motivated by recent experiments conducted in strongly interacting... Read More about Epidemic dynamics in open quantum spin systems.

SDSS-IV MaNGA: the different quenching histories of fast and slow rotators (2017)
Journal Article
Smethurst, R. J., Masters, K. L., Lintott, C. J., Weijmans, A., Merrifield, M. R., Penny, S. J., …Nichol, R. C. (2018). SDSS-IV MaNGA: the different quenching histories of fast and slow rotators. Monthly Notices of the Royal Astronomical Society, 473(2), 2679-2687. https://doi.org/10.1093/mnras/stx2547

Do the theorised different formation mechanisms of fast and slow rotators produce an observable difference in their star formation histories? To study this we identify quenching slow rotators in the MaNGA sample by selecting those which lie below the... Read More about SDSS-IV MaNGA: the different quenching histories of fast and slow rotators.

Thermal Schwinger pair production at arbitrary coupling (2017)
Journal Article
Gould, O., & Rajantie, A. (2017). Thermal Schwinger pair production at arbitrary coupling. Physical Review D, 96(7), Article 076002. https://doi.org/10.1103/PhysRevD.96.076002

We calculate the rate of thermal Schwinger pair production at arbitrary coupling in weak external fields. Our calculations are valid independently of many properties of the charged particles produced, in particular their spin and whether they are ele... Read More about Thermal Schwinger pair production at arbitrary coupling.

Symmetries and conservation laws in non-Hermitian field theories (2017)
Journal Article
Alexandre, J., Millington, P., & Seynaeve, D. (2017). Symmetries and conservation laws in non-Hermitian field theories. Physical Review D, 96(6), https://doi.org/10.1103/PhysRevD.96.065027

Anti-Hermitian mass terms are considered, in addition to Hermitian ones, for PT-symmetric complex-scalar and fermionic field theories. In both cases, the Lagrangian can be written in a manifestly symmetric form in terms of the PT-conjugate variables,... Read More about Symmetries and conservation laws in non-Hermitian field theories.

Novel multifunctional of magnesium ions (Mg++) incorporated calcium phosphate nanostructures (2017)
Journal Article
Thanigai Arul, K., Ramesh, M., Chennakesavan, C., Karthikeyan, V., Manikandan, E., Umar, A., …Henini, M. (2018). Novel multifunctional of magnesium ions (Mg++) incorporated calcium phosphate nanostructures. Journal of Alloys and Compounds, 730, https://doi.org/10.1016/j.jallcom.2017.09.254

Magnesium ions incorporated calcium phosphate was synthesized by wet chemical route and followed by microwave assisted method. XRD analysis was confirmed that the presence of calcium phosphate (hydroxyapatite). TEM analysis was exhibited rod-like mor... Read More about Novel multifunctional of magnesium ions (Mg++) incorporated calcium phosphate nanostructures.

Galaxy evolution in protoclusters (2017)
Journal Article
Muldrew, S. I., Hatch, N. A., & Cooke, E. A. (in press). Galaxy evolution in protoclusters. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/stx2454

We investigate galaxy evolution in protoclusters using a semi-analytic model applied to the Millennium Simulation, scaled to a Planck cosmology. We show that the model reproduces the observed behaviour of the star formation history (SFH) both in prot... Read More about Galaxy evolution in protoclusters.

Seven-Tesla magnetization transfer imaging to detect multiple sclerosis white matter lesions (2017)
Journal Article
Chou, I., Lim, S., Tanasescu, R., Al-Radaideh, A., Mougin, O. E., Tench, C. R., …Constantinescu, C. S. (in press). Seven-Tesla magnetization transfer imaging to detect multiple sclerosis white matter lesions. Journal of Neuroimaging, https://doi.org/10.1111/jon.12474

BACKGROUND AND PURPOSE: Fluid-attenuated inversion recovery (FLAIR) imaging at 3 Tesla (T) field strength is the most sensitive modality for detecting white matter lesions in multiple sclerosis. While 7T FLAIR is effective in detecting cortical lesio... Read More about Seven-Tesla magnetization transfer imaging to detect multiple sclerosis white matter lesions.

Large room temperature spin-to-charge conversion signals in a few-layer graphene/Pt lateral heterostructure (2017)
Journal Article
Yan, W., Sagasta, E., Ribeiro, M., Niimi, Y., Hueso, L. E., & Casanova, F. (2017). Large room temperature spin-to-charge conversion signals in a few-layer graphene/Pt lateral heterostructure. Nature Communications, 8(1), https://doi.org/10.1038/s41467-017-00563-y

© 2017 The Author(s). Electrical generation and detection of pure spin currents without the need of magnetic materials are key elements for the realization of full electrically controlled spintronic devices. In this framework, achieving a large spin-... Read More about Large room temperature spin-to-charge conversion signals in a few-layer graphene/Pt lateral heterostructure.

The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations (2017)
Journal Article
Diehl, H., Buckley-Geer, E., Lindgren, K., Nord, B., Gaitsch, H., Gaitsch, S., …Walker, A. (2017). The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations. Astrophysical Journal Supplement, 232(1), https://doi.org/10.3847/1538-4365/aa8667

We report the results of searches for strong gravitational lens systems in the Dark Energy Survey (DES) Science Verification and Year 1 observations. The Science Verification data span approximately 250 sq. deg. with a median i-band limiting magnitud... Read More about The DES bright arcs survey: hundreds of candidate strongly lensed galaxy systems from the Dark Energy Survey Science Verification and Year 1 observations.

Eigenstate thermalization hypothesis in quantum dimer models (2017)
Journal Article
Lan, Z., & Powell, S. (in press). Eigenstate thermalization hypothesis in quantum dimer models. Physical Review B, 96(11), https://doi.org/10.1103/PhysRevB.96.115140

We use exact diagonalization to study the eigenstate thermalization hypothesis (ETH) in the quantum dimer model on the square and triangular lattices. Due to the nonergodicity of the local plaquette-ip dynamics, the Hilbert space, which consists of h... Read More about Eigenstate thermalization hypothesis in quantum dimer models.

Nonreciprocal reconfigurable microwave optomechanical circuit (2017)
Journal Article
Bernier, N. R., Toth, L. D., Koottandavida, A., Ioannou, M. A., Malz, D., Nunnenkamp, A., …Kippenberg, T. (2017). Nonreciprocal reconfigurable microwave optomechanical circuit. Nature Communications, 8(1), Article 604. https://doi.org/10.1038/s41467-017-00447-1

Nonreciprocal microwave devices are ubiquitous in radar and radio communication and indispensable in the readout chains of superconducting quantum circuits. Since they commonly rely on ferrite materials requiring large magnetic fields that make them... Read More about Nonreciprocal reconfigurable microwave optomechanical circuit.

An étude on global vacuum energy sequester (2017)
Journal Article
D’Amico, G., Kaloper, N., Padilla, A., Stefanyszyn, D., Westphal, A., & Zahariade, G. (2017). An étude on global vacuum energy sequester. Journal of High Energy Physics, 2017(9), Article 74. https://doi.org/10.1007/JHEP09%282017%29074

Recently two of the authors proposed a mechanism of vacuum energy sequester as a means of protecting the observable cosmological constant from quantum radiative corrections. The original proposal was based on using global Lagrange multipliers, but la... Read More about An étude on global vacuum energy sequester.

Shapes and fissility of highly charged and rapidly rotating levitated liquid drops (2017)
Journal Article
Liao, L., & Hill, R. J. (2017). Shapes and fissility of highly charged and rapidly rotating levitated liquid drops. Physical Review Letters, 119, Article 114501. https://doi.org/10.1103/PhysRevLett.119.114501

We use diamagnetic levitation to investigate the shapes and the stability of free electrically charged and spinning liquid drops of volume ∼1 ml. In addition to binary fission and Taylor cone-jet fission modes observed at low and high charge density,... Read More about Shapes and fissility of highly charged and rapidly rotating levitated liquid drops.

Control of antiferromagnetic spin axis orientation in bilayer Fe/CuMnAs films (2017)
Journal Article
Wadley, P., Edmonds, K., Shahedkhah, M., Campion, R., Gallagher, B., Železný, J., …Dhesi, S. (in press). Control of antiferromagnetic spin axis orientation in bilayer Fe/CuMnAs films. Scientific Reports, 7, Article 11147. https://doi.org/10.1038/s41598-017-11653-8

Using x-ray magnetic circular and linear dichroism techniques, we demonstrate a collinear exchange coupling between an epitaxial antiferromagnet, tetragonal CuMnAs, and an Fe surface layer. A small uncompensated Mn magnetic moment is observed which i... Read More about Control of antiferromagnetic spin axis orientation in bilayer Fe/CuMnAs films.

Ultra-light hierarchical meta-materials on a body-centred cubic lattice (2017)
Journal Article
Rayneau-Kirkhope, D., Mao, Y., & Farr, R. (2017). Ultra-light hierarchical meta-materials on a body-centred cubic lattice. EPL, 119(1), Article 14001. https://doi.org/10.1209/0295-5075/119/14001

Modern fabrication techniques offer the freedom to design and manufacture structures with complex geometry on many lengthscales, offering many potential advantages. For example, fractal/hierarchical struts have been shown to be exceptionally strong a... Read More about Ultra-light hierarchical meta-materials on a body-centred cubic lattice.

Thermodynamic entropy as an indicator for urban sustainability? (2017)
Journal Article
Purvis, B., Mao, Y., & Robinson, D. (in press). Thermodynamic entropy as an indicator for urban sustainability?. Procedia Engineering, 198, https://doi.org/10.1016/j.proeng.2017.07.131

As foci of economic activity, resource consumption, and the production of material waste and pollution, cities represent both a major hurdle and yet also a source of great potential for achieving the goal of sustainability. Motivated by the desire to... Read More about Thermodynamic entropy as an indicator for urban sustainability?.

A Rapid Urban De-carbonization Scenario Analysis Tool (2017)
Journal Article
Allen, A., Zakery, S., Mao, Y., & Robinson, D. (2017). A Rapid Urban De-carbonization Scenario Analysis Tool. Procedia Engineering, 198, 826-835. https://doi.org/10.1016/j.proeng.2017.07.133

A rapid urban de-carbonization scenario analysis tool has been developed. The tool is able to efficiently and effectively generate and populate spatially resolved large scale building scenes, to generate XML input files for the building energy simula... Read More about A Rapid Urban De-carbonization Scenario Analysis Tool.