Outputs (211)

Optical Properties of GaAs1−xBix/GaAs Quantum Well Structures Grown by Molecular Beam Epitaxy on (100) and (311)B GaAs Substrates (2018)
Journal Article
Gunes, M., Ukelge, M., Donmez, O., Erol, A., Gumus, C., Alghamdi, H., Galeti, H., Henini, M., Schmidbauer, M., Hilska, J., Puustinen, J., & Guina, M. (2018). Optical Properties of GaAs1−xBix/GaAs Quantum Well Structures Grown by Molecular Beam Epitaxy on (100) and (311)B GaAs Substrates. Semiconductor Science and Technology, 33(12), Article 124015. https://doi.org/10.1088/1361-6641/aaea2e

In this work, the electronic bandstructure of GaAs1−xBix/GaAs single quantum well (QW) samples grown by molecular beam epitaxy is investigated by photomodulated reflectance (PR) measurements as a function of Bi content (0.0065 ≤ x ≤ 0.0215) and subst... Read More about Optical Properties of GaAs1−xBix/GaAs Quantum Well Structures Grown by Molecular Beam Epitaxy on (100) and (311)B GaAs Substrates.

Higher order clockwork gravity (2018)
Journal Article
Niedermann, F., Padilla, A., & Saffin, P. M. (2018). Higher order clockwork gravity. Physical Review D, 98(10), Article 104014. https://doi.org/10.1103/physrevd.98.104014

We present a higher order generalisation of the clockwork mechanism starting from an underlying non-linear multigravity theory with a single scale and nearest neighbour ghost-free interactions. Without introducing any hierarchies in the underlying po... Read More about Higher order clockwork gravity.

Singularities in large deviations of work in quantum quenches (2018)
Journal Article
Rotondo, P., Minář, J., Garrahan, J. P., Lesanovsky, I., & Marcuzzi, M. (2018). Singularities in large deviations of work in quantum quenches. Physical Review B, 98(18), Article 184303. https://doi.org/10.1103/physrevb.98.184303

We investigate large deviations of the work performed in a quantum quench across two different phases separated by a quantum critical point, using as an example the Dicke model quenched from its superradiant to its normal phase. We extract the distri... Read More about Singularities in large deviations of work in quantum quenches.

Radiative effects on false vacuum decay in Higgs-Yukawa theory (2018)
Journal Article
Ai, W.-Y., Garbrecht, B., & Millington, P. (2018). Radiative effects on false vacuum decay in Higgs-Yukawa theory. Physical Review D, 98(7), Article 076014. https://doi.org/10.1103/physrevd.98.076014

We derive fermionic Green’s functions in the background of the Euclidean solitons describing false vacuum decay in a prototypal Higgs-Yukawa theory. In combination with appropriate counterterms for the masses, couplings and wave-function normalizatio... Read More about Radiative effects on false vacuum decay in Higgs-Yukawa theory.

Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters (2018)
Journal Article
Socolovsky, M., Maltby, D. T., Hatch, N. A., Almaini, O., Wild, V., Hartley, W. G., Simpson, C., & Rowlands, K. (2019). Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters. Monthly Notices of the Royal Astronomical Society, 482(2), 1640-1650. https://doi.org/10.1093/mnras/sty2840

© 2018 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We analyse the structure of galaxies with high specific star formation rate (SSFR) in cluster and field environments in the redshift range 0.5 < z... Read More about Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters.

Dynamics of many-body quantum synchronisation (2018)
Journal Article
Davis-Tilley, C., Teoh, C. K., & Armour, A. D. (2018). Dynamics of many-body quantum synchronisation. New Journal of Physics, 20(11), Article 113002. https://doi.org/10.1088/1367-2630/aae947

© 2018 The Author(s). The Author(s). Published by IOP Publishing on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft. We analyse the properties of the synchronisation transition in a many-body system consisting of quantum va... Read More about Dynamics of many-body quantum synchronisation.

The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass (2018)
Journal Article
Pulsoni, C., Gerhard, O., Arnaboldi, M., Coccato, L., Longobardi, A., Napolitano, N., Moylan, E., Narayan, C., Gupta, V., Burkert, A., Capaccioli, M., Chies-Santos, A., Cortesi, A., Freeman, K., Kuijken, K., Merrifield, M., Romanowsky, A., & Tortora, C. (2018). The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass. Astronomy and Astrophysics, 618, Article A94. https://doi.org/10.1051/0004-6361/201732473

Context. In the hierarchical two-phase formation scenario, the halos of early type galaxies (ETGs) are expected to have different physical properties from the galaxies’ central regions.
Aims. The ePN.S survey characterizes the kinematic properties o... Read More about The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The kinematic diversity of stellar halos and the relation between halo transition scale and stellar mass.

Experimental Detection and Control of Trions and Fermi-Edge Singularity in Single-Barrier GaAs/AlAs/GaAs Heterostructures Using Photocapacitance Spectroscopy (2018)
Journal Article
Bhunia, A., Singh, M. K., Gobato, Y. G., Henini, M., & Datta, S. (2018). Experimental Detection and Control of Trions and Fermi-Edge Singularity in Single-Barrier GaAs/AlAs/GaAs Heterostructures Using Photocapacitance Spectroscopy. Physical Review Applied, 10(4), Article 044043. https://doi.org/10.1103/physrevapplied.10.044043

© 2018 American Physical Society. We show how photocapacitance spectra can probe and manipulate two dimensional excitonic complexes and Fermi-edge singularities as a function of applied bias even at a temperature of 100 K. For lower density regimes (... Read More about Experimental Detection and Control of Trions and Fermi-Edge Singularity in Single-Barrier GaAs/AlAs/GaAs Heterostructures Using Photocapacitance Spectroscopy.

Bio-inspired hierarchical designs for stiff, strong interfaces between materials of differing stiffness (2018)
Journal Article
Rayneau-Kirkhope, D., Mao, Y., & Rauch, C. (2018). Bio-inspired hierarchical designs for stiff, strong interfaces between materials of differing stiffness. Physical Review Applied, 10(3), 1-10. https://doi.org/10.1103/PhysRevApplied.10.034016

Throughout biology, geometric hierarchy is a recurrent theme in structures where strength is achieved with efficient material usage. Acting over vast timescales, evolution has brought about beautiful solutions to problems of mechanics that are only n... Read More about Bio-inspired hierarchical designs for stiff, strong interfaces between materials of differing stiffness.

Effect of indium doping on the electrical and structural properties of TiO2 thin films used in MOS devices (2018)
Journal Article
Djeglouf, A., Hamri, D., Teffahi, A., Saidane, A., Al Mashary, F. S., Al Huwayz, M. M., Henini, M., Orak, I., Albadri, A. M., & Alyamani, A. Y. (2019). Effect of indium doping on the electrical and structural properties of TiO2 thin films used in MOS devices. Journal of Alloys and Compounds, 775, 202-213. https://doi.org/10.1016/j.jallcom.2018.10.048

We investigated the effect of Indium (In) doping on the structural and electrical properties of Ti/Au/ TiO2:In/n-Si metal-oxide-semiconductor (MOS) devices. Sputtering grown TiO2 thin films on Si substrate were doped using two In-films with 15 nm and... Read More about Effect of indium doping on the electrical and structural properties of TiO2 thin films used in MOS devices.