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A z = 2.5 protocluster associated with the radio galaxy MRC 2104-242: star formation and differing mass functions in dense environments (2014)
Journal Article
Cooke, E., Hatch, N. A., Muldrew, S., Rigby, E., & Kurk, J. (2014). A z = 2.5 protocluster associated with the radio galaxy MRC 2104-242: star formation and differing mass functions in dense environments. Monthly Notices of the Royal Astronomical Society, 440(4), https://doi.org/10.1093/mnras/stu522

We present results from a narrow-band survey of the field around the high-redshift radio galaxy MRC 2104−242. We have selected Hα emitters in a 7 arcmin2 field and compared the measured number density with that of a field sample at similar redshift.... Read More about A z = 2.5 protocluster associated with the radio galaxy MRC 2104-242: star formation and differing mass functions in dense environments.

Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays (2014)
Journal Article
Poulios, K., Keil, R., Fry, D., D. A. Meinecke, J., C. F. Matthews, J., Politi, A., …L. O'Brien, J. (2014). Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays. Physical Review Letters, 112(14), Article 143604. https://doi.org/10.1103/PhysRevLett.112.143604

We demonstrate quantum walks of correlated photons in a 2D network of directly laser written waveguides coupled in a 'swiss cross' arrangement. The correlated detection events show high-visibility quantum interference and unique composite behaviour:... Read More about Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays.

The galaxy cluster mid-infrared luminosity function at 1.3 < z (2014)
Journal Article
Wylezalek, D., Vernett, J., De Breuck, C., Stern, D., Brodwin, M., Galametz, A., …Stanford, S. A. (in press). The galaxy cluster mid-infrared luminosity function at 1.3 < z. Astrophysical Journal, 786(1), https://doi.org/10.1088/0004-637X/786/1/17

We present 4.5 μm luminosity functions for galaxies identified in 178 candidate galaxy clusters at 1.3 1.3. The luminosity functions are derived for different redshift and richness bins, and the IRAC imaging reaches depths of m∗ + 2, allowing us to... Read More about The galaxy cluster mid-infrared luminosity function at 1.3 < z.

Classical Nernst engine (2014)
Journal Article
Brandner, K., Saito, K., Stark, J., & Seifert, U. (2014). Classical Nernst engine. Physical Review Letters, 112(14), Article 140601. https://doi.org/10.1103/physrevlett.112.140601

We introduce a simple model for an engine based on the Nernst effect. In the presence of a magnetic field, a vertical heat current can drive a horizontal particle current against a chemical potential. For a microscopic model invoking classical partic... Read More about Classical Nernst engine.

Herschel-ATLAS: modelling the first strong gravitational lenses (2014)
Journal Article
Dye, S., Negrello, M., Hopwood, R., Nightingale, J., Bussmann, R., Amber, S., …Valiante, E. (2014). Herschel-ATLAS: modelling the first strong gravitational lenses. Monthly Notices of the Royal Astronomical Society, 440, https://doi.org/10.1093/mnras/stu305

We have determined the mass density radial profiles of the first five strong gravitational lens systems discovered by the Herschel Astrophysical Terahertz Large Area Survey. We present an enhancement of the semilinear lens inversion method of Warren... Read More about Herschel-ATLAS: modelling the first strong gravitational lenses.

Herschel *-ATLAS: deep HST/WFC3 imaging of strongly lensed submillimetre galaxies (2014)
Journal Article
Negrello, M., Hopwood, R., Dye, S., Cunha, E. D., Serjeant, S., Fritz, J., …Wardlow, J. (2014). Herschel *-ATLAS: deep HST/WFC3 imaging of strongly lensed submillimetre galaxies. Monthly Notices of the Royal Astronomical Society, 440(3), 1999-2012. https://doi.org/10.1093/mnras/stu413

We report on deep near-infrared observations obtained with the Wide Field Camera-3 (WFC3) onboard the Hubble Space Telescope (HST) of the first five confirmed gravitational lensing events discovered by the Herschel Astrophysical Terahertz Large Area... Read More about Herschel *-ATLAS: deep HST/WFC3 imaging of strongly lensed submillimetre galaxies.

Determining Curie temperatures in dilute ferromagnetic semiconductors: high Curie temperature (Ga,Mn)As (2014)
Journal Article
Wang, M., Marshall, R., Edmonds, K., Rushforth, A., Campion, R., & Gallagher, B. (2014). Determining Curie temperatures in dilute ferromagnetic semiconductors: high Curie temperature (Ga,Mn)As. Applied Physics Letters, 104, Article 132406. https://doi.org/10.1063/1.4870521

In this paper, we use simultaneous magnetometry and electrical transport measurements to critically examine ways in which the Curie temperature (TC) values have been determined in studies of dilute magnetic semiconductors. We show that, in sufficient... Read More about Determining Curie temperatures in dilute ferromagnetic semiconductors: high Curie temperature (Ga,Mn)As.

Uncertainties in forces extracted from non-contact atomic force microscopy measurements by fitting of long-range background forces (2014)
Journal Article
Sweetman, A., & Stannard, A. (2014). Uncertainties in forces extracted from non-contact atomic force microscopy measurements by fitting of long-range background forces. Beilstein Journal of Nanotechnology, 5, https://doi.org/10.3762/bjnano.5.45

In principle, non-contact atomic force microscopy (NC-AFM) now readily allows for the measurement of forces with sub-nanonewton precision on the atomic scale. In practice, however, the extraction of the often desired ‘short-range’ force from the expe... Read More about Uncertainties in forces extracted from non-contact atomic force microscopy measurements by fitting of long-range background forces.

A new method for classifying galaxy SEDs from multiwavelength photometry (2014)
Journal Article
Wild, V., Almaini, O., Cirasuolo, M., Dunlop, J., McLure, R., Bowler, R., …Hartley, W. (in press). A new method for classifying galaxy SEDs from multiwavelength photometry. Monthly Notices of the Royal Astronomical Society, 440(2), https://doi.org/10.1093/mnras/stu212

We present a new method to classify the broad-band optical–near-infrared spectral energy distributions (SEDs) of galaxies using three shape parameters (super-colours) based on a principal component analysis of model SEDs. As well as providing a compa... Read More about A new method for classifying galaxy SEDs from multiwavelength photometry.

Self-consistent phase-space distribution function for the anisotropic dark matter halo of the Milky Way (2014)
Journal Article
Fornasa, M., & Green, A. M. (2014). Self-consistent phase-space distribution function for the anisotropic dark matter halo of the Milky Way. Physical Review D - Particles, Fields, Gravitation and Cosmology, 89(6), Article 063531. https://doi.org/10.1103/physrevd.89.063531

Dark Matter (DM) direct detection experiments usually assume the simplest possible ‘Standard Halo Model’ for the Milky Way (MW) halo in which the velocity distribution is Maxwellian. This model assumes that the MW halo is an isotropic, isothermal sph... Read More about Self-consistent phase-space distribution function for the anisotropic dark matter halo of the Milky Way.

Fast transient networks in spontaneous human brain activity (2014)
Journal Article
Baker, A. P., Brookes, M. J., Rezek, I. A., Smith, S. M., Behrens, T., Probert Smith, P. J., & Woolrich, M. W. (2014). Fast transient networks in spontaneous human brain activity. eLife, 3, Article e01867. https://doi.org/10.7554/eLife.01867

To provide an effective substrate for cognitive processes, functional brain networks should be able to reorganize and coordinate on a sub-second temporal scale. We used magnetoencephalography recordings of spontaneous activity to characterize whole-b... Read More about Fast transient networks in spontaneous human brain activity.

iSense: a technology platform for cold atom based quantum technologies (2014)
Presentation / Conference Contribution
Bongs, K., Malcolm, J., Ramelloo, C., Zhu, L., Boyer, V., Valenzuela, T., …Wicht, A. (2014). iSense: a technology platform for cold atom based quantum technologies. In Research in Optical Sciences. https://doi.org/10.1364/QIM.2014.QTu3B.1

A breakthrough in cold atom quantum technology is hindered by a bottleneck in the supporting technologies. We discuss a cold atom technology platform developed within the European iSense project, aiming at a gravimeter as demonstrator.

Subterahertz chaos generation by coupling a superlattice to a linear resonator (2014)
Journal Article
Hramov, A., Makarov, V., Koronovskii, A., Kurkin, S., Gaifullin, M., Alexeeva, N., …Balanov, A. (2014). Subterahertz chaos generation by coupling a superlattice to a linear resonator. Physical Review Letters, 112(116603), https://doi.org/10.1103/PhysRevLett.112.116603

We investigate the effects of a linear resonator on the high-frequency dynamics of electrons in devices exhibiting negative differential conductance. We show that the resonator strongly affects both the dc and ac transport characteristics of the devi... Read More about Subterahertz chaos generation by coupling a superlattice to a linear resonator.

Unique determination of “subatomic” contrast by imaging covalent backbonding (2014)
Journal Article
Sweetman, A., Rahe, P., & Moriarty, P. (2014). Unique determination of “subatomic” contrast by imaging covalent backbonding. Nano Letters, 14(5), https://doi.org/10.1021/nl4041803

The origin of so-called “subatomic” resolution in dynamic force microscopy has remained controversial since its first observation in 2000. A number of detailed experimental and theoretical studies have identified different possible physicochemical me... Read More about Unique determination of “subatomic” contrast by imaging covalent backbonding.

Evidence that the negative BOLD response is neuronal in origin: a simultaneous EEG–BOLD–CBF study in humans (2014)
Journal Article
Mullinger, K. J., Mayhew, S. D., Bagshaw, A. P., Bowtell, R. W., & Francis, S. T. (2014). Evidence that the negative BOLD response is neuronal in origin: a simultaneous EEG–BOLD–CBF study in humans. NeuroImage, 94, https://doi.org/10.1016/j.neuroimage.2014.02.029

Unambiguous interpretation of changes in the BOLD signal is challenging because of the complex neurovascular coupling that translates changes in neuronal activity into the subsequent haemodynamic response. In particular, the neurophysiological origin... Read More about Evidence that the negative BOLD response is neuronal in origin: a simultaneous EEG–BOLD–CBF study in humans.

III-V semiconductor waveguides for photonic functionality at 780 nm (2014)
Presentation / Conference Contribution
Maclean, J. O., Greenaway, M. T., Campion, R. P., Pyragius, T., Fromhold, T. M., Kent, A. J., & Mellor, C. J. (2014). III-V semiconductor waveguides for photonic functionality at 780 nm. Proceedings of SPIE, 8988, Article 898805. https://doi.org/10.1117/12.2039898

Photonic integrated circuits based on III-V semiconductor polarization-maintaining waveguides were designed and fabricated for the first time for application in a compact cold-atom gravimeter1,2 at an operational wavelength of 780 nm. Compared with o... Read More about III-V semiconductor waveguides for photonic functionality at 780 nm.

Quantum synchronization of a driven self-sustained oscillator (2014)
Journal Article
Walter, S., Nunnenkamp, A., & Bruder, C. (2014). Quantum synchronization of a driven self-sustained oscillator. Physical Review Letters, 112, Article 094102. https://doi.org/10.1103/PhysRevLett.112.094102

Synchronization is a universal phenomenon that is important both in fundamental studies and in technical applications. Here we investigate synchronization in the simplest quantum-mechanical scenario possible, i.e., a quantum-mechanical self-sustained... Read More about Quantum synchronization of a driven self-sustained oscillator.

Sequestering the standard model vacuum energy (2014)
Journal Article
Kaloper, N., & Padilla, A. (2014). Sequestering the standard model vacuum energy. Physical Review Letters, 112(9), Article 091304. https://doi.org/10.1103/PhysRevLett.112.091304

We propose a very simple reformulation of general relativity, which completely sequesters from gravity all of the vacuum energy from a matter sector, including all loop corrections and renders all contributions from phase transitions automatically sm... Read More about Sequestering the standard model vacuum energy.