All Outputs (226)

Transformation of polarons into magnetopolarons in GaAs quantum well (2021)
Journal Article
Popov, V. G., Krishtop, V. G., Henini, M., & Portal, J. C. (2022). Transformation of polarons into magnetopolarons in GaAs quantum well. Physica E: Low-dimensional Systems and Nanostructures, 136, Article 115019. https://doi.org/10.1016/j.physe.2021.115019

An experimental study is made of electron tunneling in a resonant-tunneling diode in magnetic fields directed parallel and perpendicular to the planes of the GaAs/Al xGa1-XAs heterostructure layers. In particular, phonon replicas on the current–volta... Read More about Transformation of polarons into magnetopolarons in GaAs quantum well.

Vacuum bubble collisions: From microphysics to gravitational waves (2021)
Journal Article
Gould, O., Sukuvaara, S., & Weir, D. (2021). Vacuum bubble collisions: From microphysics to gravitational waves. Physical Review D, 104(7), Article 075039. https://doi.org/10.1103/physrevd.104.075039

We comprehensively study the effects of bubble wall thickness and speed on the gravitational wave emission spectrum of collisions of two vacuum bubbles. We numerically simulate a large dynamical range, making use of symmetry to reduce the dimensional... Read More about Vacuum bubble collisions: From microphysics to gravitational waves.

Global urbanicity is associated with brain and behaviour in young people (2021)
Journal Article
Xu, J., Liu, X., Li, Q., Goldblatt, R., Qin, W., Liu, F., Chu, C., Luo, Q., Ing, A., Guo, L., Liu, N., Liu, H., Huang, C., Cheng, J., Wang, M., Geng, Z., Zhu, W., Zhang, B., Liao, W., Qiu, S., …Schumann, G. (2022). Global urbanicity is associated with brain and behaviour in young people. Nature Human Behaviour, 6(2), 279-293. https://doi.org/10.1038/s41562-021-01204-7

Urbanicity is a growing environmental challenge for mental health. Here, we investigate correlations of urbanicity with brain structure and function, neuropsychology and mental illness symptoms in young people from China and Europe (total n = 3,867).... Read More about Global urbanicity is associated with brain and behaviour in young people.

ParticleTracker: a gui based particle tracking software (2021)
Journal Article
Smith, M. I., & Downs, J. G. (2021). ParticleTracker: a gui based particle tracking software. Journal of Open Source Software, 6(66), Article 3611. https://doi.org/10.21105/joss.03611

Tracking the motion of objects in a video is an important part of the analysis in a diverse range of subject disciplines (Meijering, 2012; Rahman, 2019; Rose, 2020). It enables one to automate the extraction of quantitative information about size, sh... Read More about ParticleTracker: a gui based particle tracking software.

A macroscopic object passively cooled into its quantum ground state of motion beyond single-mode cooling (2021)
Journal Article
Cattiaux, D., Golokolenov, I., Kumar, S., Sillanpää, M., Mercier de Lépinay, L., Gazizulin, R. R., Zhou, X., Armour, A. D., Bourgeois, O., Fefferman, A., & Collin, E. (2021). A macroscopic object passively cooled into its quantum ground state of motion beyond single-mode cooling. Nature Communications, 12(1), Article 6182. https://doi.org/10.1038/s41467-021-26457-8

The nature of the quantum-to-classical crossover remains one of the most challenging open question of Science to date. In this respect, moving objects play a specific role. Pioneering experiments over the last few years have begun exploring quantum b... Read More about A macroscopic object passively cooled into its quantum ground state of motion beyond single-mode cooling.

Benchmarking regulator-sourced 2PI and average 1PI flow equations in zero dimensions (2021)
Journal Article
Millington, P., & Saffin, P. M. (2021). Benchmarking regulator-sourced 2PI and average 1PI flow equations in zero dimensions. Journal of Physics A: Mathematical and Theoretical, 54(46), Article 465401. https://doi.org/10.1088/1751-8121/ac2d00

We elucidate the regulator-sourced 2PI and average 1PI approaches for deriving exact flow equations in the case of a zero dimensional quantum field theory, wherein the scale dependence of the usual renormalisation group evolution is replaced by a sim... Read More about Benchmarking regulator-sourced 2PI and average 1PI flow equations in zero dimensions.

From blue cloud to red sequence: Evidence of morphological transition prior to star formation quenching (2021)
Journal Article
Sampaio, V. M., De Carvalho, R. R., Ferreras, I., Aragón Salamanca, A., & Parker, L. C. (2022). From blue cloud to red sequence: Evidence of morphological transition prior to star formation quenching. Monthly Notices of the Royal Astronomical Society, 509(1), 567-585. https://doi.org/10.1093/mnras/stab3018

We present a study of a sample of 254 clusters from the SDSS-DR7 Yang Catalogue and an auxiliary sample of field galaxies to perform a detailed investigation on how galaxy quenching depends on both environment and galaxy stellar mass. Our samples are... Read More about From blue cloud to red sequence: Evidence of morphological transition prior to star formation quenching.

Josephson photonics with simultaneous resonances (2021)
Journal Article
Wood, K., Armour, A. D., & Lang, B. (2021). Josephson photonics with simultaneous resonances. Physical Review B, 104(15), Article 155424. https://doi.org/10.1103/physrevb.104.155424

Inelastic Cooper pair tunneling across a voltage-biased Josephson junction in series with one or more microwave cavities can generate photons via resonant processes in which the energy lost by the Cooper pair matches that of the photon(s) produced. W... Read More about Josephson photonics with simultaneous resonances.

Self-assembly of a strapped linear porphyrin oligomer on HOPG (2021)
Journal Article
Bellamy-Carter, A., Roche, C., Anderson, H. L., & Saywell, A. (2021). Self-assembly of a strapped linear porphyrin oligomer on HOPG. Scientific Reports, 11, Article 20388. https://doi.org/10.1038/s41598-021-99881-x

Polymeric structures based on porphyrin units exhibit a range of complex properties, such as nanoscale charge transport and quantum interference effects, and have the potential to act as biomimetic materials for light-harvesting and catalysis. These... Read More about Self-assembly of a strapped linear porphyrin oligomer on HOPG.

Large Tunneling Magnetoresistance in van der Waals Ferromagnet/Semiconductor Heterojunctions (2021)
Journal Article
Zhu, W., Lin, H., Yan, F., Hu, C., Wang, Z., Zhao, L., Deng, Y., Kudrynskyi, Z. R., Zhou, T., Kovalyuk, Z. D., Zheng, Y., Patanè, A., Žutić, I., Li, S., Zheng, H., & Wang, K. (2021). Large Tunneling Magnetoresistance in van der Waals Ferromagnet/Semiconductor Heterojunctions. Advanced Materials, 33(51), Article 2104658. https://doi.org/10.1002/adma.202104658

2D layered chalcogenide semiconductors have been proposed as a promising class of materials for low-dimensional electronic, optoelectronic, and spintronic devices. Here, all-2D van der Waals vertical spin-valve devices, that combine the 2D layered se... Read More about Large Tunneling Magnetoresistance in van der Waals Ferromagnet/Semiconductor Heterojunctions.

Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect (2021)
Journal Article
Zhang, Y., Xu, Q., Koepernik, K., Rezaev, R., Janson, O., Železný, J., Jungwirth, T., Felser, C., van den Brink, J., & Sun, Y. (2021). Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect. npj Computational Materials, 7(1), Article 167. https://doi.org/10.1038/s41524-021-00635-0

Spin Hall effect (SHE) has its special position in spintronics. To gain new insight into SHE and to identify materials with substantial spin Hall conductivity (SHC), we performed high-precision high-throughput ab initio calculations of the intrinsic... Read More about Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect.

From locality and unitarity to cosmological correlators (2021)
Journal Article
Jazayeri, S., Pajer, E., & Stefanyszyn, D. (2021). From locality and unitarity to cosmological correlators. Journal of High Energy Physics, 2021(10), Article 65. https://doi.org/10.1007/JHEP10%282021%29065

In the standard approach to deriving inflationary predictions, we evolve a vacuum state in time according to the rules of a given model. Since the only observables are the future values of correlators and not their time evolution, this brings about a... Read More about From locality and unitarity to cosmological correlators.

Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation (2021)
Journal Article
Al-Awadi, A., Grove, J., Taylor, M., Valdes, A., Vijay, A., Bawden, S., Gowland, P., & Aithal, G. (2021). Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation. BMJ Open, 11(10), Article e045802. https://doi.org/10.1136/bmjopen-2020-045802

Introduction A Low Glycaemic Index (LGI) diet is a proposed lifestyle intervention in non-alcoholic fatty liver diseases (NAFLD) which is designed to reduce circulating blood glucose levels, hepatic glucose influx, insulin resistance and de novo lipo... Read More about Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation.

Optimised hybrid shielding and magnetic field control for emerging quantum technologies (2021)
Presentation / Conference Contribution
Hobson, P. J., Packer, M., Holmes, N., Davis, A., Patel, P., Holmes, D., Harrison, R., Chalmers, J., Styles, B., Woolger, D., Sims, D., Brookes, M. J., & Fromhold, T. M. (2021, September). Optimised hybrid shielding and magnetic field control for emerging quantum technologies. Presented at SPIE PHOTONEX, Glasgow, United Kingdom

The accurate control of magnetic fields is a cornerstone of multiple emerging quantum technologies. These technologies often require passive high permeability magnetic shielding and internal active field-generating coils to create their own bespoke m... Read More about Optimised hybrid shielding and magnetic field control for emerging quantum technologies.

Orthogonal Quantum Many-Body Scars (2021)
Journal Article
Zhao, H., Smith, A., Mintert, F., & Knolle, J. (2021). Orthogonal Quantum Many-Body Scars. Physical Review Letters, 127(15), Article 150601. https://doi.org/10.1103/PhysRevLett.127.150601

Quantum many-body scars have been put forward as counterexamples to the eigenstate thermalization hypothesis. These atypical states are observed in a range of correlated models as long-lived oscillations of local observables in quench experiments sta... Read More about Orthogonal Quantum Many-Body Scars.

Mild traumatic brain injury impairs the coordination of intrinsic and motor-related neural dynamics (2021)
Journal Article
Rier, L., Zamyadi, R., Zhang, J., Emami, Z., Seedat, Z. A., Mocanu, S., Gascoyne, L. E., Allen, C. M., Scadding, J. W., Furlong, P. L., Gooding-Williams, G., Woolrich, M. W., Evangelou, N., Brookes, M. J., & Dunkley, B. T. (2021). Mild traumatic brain injury impairs the coordination of intrinsic and motor-related neural dynamics. NeuroImage: Clinical, 32, Article 102841. https://doi.org/10.1016/j.nicl.2021.102841

Mild traumatic brain injury (mTBI) poses a considerable burden on healthcare systems. Whilst most patients recover quickly, a significant number suffer from sequelae that are not accompanied by measurable structural damage. Understanding the neural u... Read More about Mild traumatic brain injury impairs the coordination of intrinsic and motor-related neural dynamics.

Bragg condition for scattering into a guided optical mode (2021)
Journal Article
Olmos, B., Liedl, C., Lesanovsky, I., & Schneeweiss, P. (2021). Bragg condition for scattering into a guided optical mode. Physical Review A, 104(4), Article 043517. https://doi.org/10.1103/PhysRevA.104.043517

We theoretically investigate light scattering from an array of atoms into the guided modes of a waveguide. We observe that the scattering of a plane-wave laser field into the waveguide modes is dramatically enhanced for angles that deviate from the g... Read More about Bragg condition for scattering into a guided optical mode.

A stringy perspective on the coincidence problem (2021)
Journal Article
Cunillera, F., & Padilla, A. (2021). A stringy perspective on the coincidence problem. Journal of High Energy Physics, 2021(10), Article 55. https://doi.org/10.1007/JHEP10%282021%29055

We argue that, for string compactifications broadly consistent with swampland constraints, dark energy is likely to signal the beginning of the end of our universe as we know it, perhaps even through decompactification, with possible implications for... Read More about A stringy perspective on the coincidence problem.

Reinforcement learning of rare diffusive dynamics (2021)
Journal Article
Das, A., Rose, D. C., Garrahan, J. P., & Limmer, D. T. (2021). Reinforcement learning of rare diffusive dynamics. Journal of Chemical Physics, 155(13), Article 134105. https://doi.org/10.1063/5.0057323

We present a method to probe rare molecular dynamics trajectories directly using reinforcement learning. We consider trajectories that are conditioned to transition between regions of configuration space in finite time, such as those relevant in the... Read More about Reinforcement learning of rare diffusive dynamics.

Immune-Related Genetic Overlap Between Regional Gray Matter Reductions and Psychiatric Symptoms in Adolescents, and Gene-Set Validation in a Translational Model (2021)
Journal Article
Penninck, L., Ibrahim, E. C., Artiges, E., Gorgievski, V., Desrivières, S., Farley, S., Filippi, I., de Macedo, C. E. A., Belzeaux, R., Banaschewski, T., Bokde, A. L. W., Quinlan, E. B., Flor, H., Grigis, A., Garavan, H., Gowland, P., Heinz, A., Brühl, R., Nees, F., Papadopoulos Orfanos, D., …Martinot, J.-L. (2021). Immune-Related Genetic Overlap Between Regional Gray Matter Reductions and Psychiatric Symptoms in Adolescents, and Gene-Set Validation in a Translational Model. Frontiers in Systems Neuroscience, 15, 1-14. https://doi.org/10.3389/fnsys.2021.725413

Adolescence is a period of vulnerability for the maturation of gray matter (GM) and also for the onset of psychiatric disorders such as major depressive disorder (MDD), bipolar disorder and schizophrenia. Chronic neuroinflammation is considered to pl... Read More about Immune-Related Genetic Overlap Between Regional Gray Matter Reductions and Psychiatric Symptoms in Adolescents, and Gene-Set Validation in a Translational Model.