Physics
Welcome to the research outputs of the University of Exeter College of Engineering, Mathematics and Physical Sciences, Department of Physics
Recent Submissions
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The effect of metallicity on the atmospheres of exoplanets with fully coupled 3D hydrodynamics, equilibrium chemistry, and radiative transfer (dataset)
(University of Exeter, 2018-04-24)In this work we have performed a series of simulations of the atmosphere of GJ 1214b assuming different metallicities using the Met Office Unified Model (UM). The UM is a general circulation model (GCM) that solves the ... -
Energy-temperature uncertainty relation in quantum thermodynamics
(Nature Publishing Group, 2018)Much like Heisenberg’s uncertainty principle in quantum mechanics, there exists a thermodynamic uncertainty relation in classical statistical mechanics that limits the simultaneous estimation of energy and temperature ... -
Observable signatures of wind-driven chemistry with a fully consistent three dimensional radiative hydrodynamics model of HD 209458b (dataset)
(University of Exeter, 2018-04-24)We present a study of the effect of wind-driven advection on the chemical composition of hot Jupiter atmospheres using a fully-consistent 3D hydrodynamics, chemistry and radiative transfer code, the Met Office Unified Model ... -
True Molecular Scale Visualization of Variable Clustering Properties of Ryanodine Receptors.
(Elsevier (Cell Press), 2018-01-09)Signaling nanodomains rely on spatial organization of proteins to allow controlled intracellular signaling. Examples include calcium release sites of cardiomyocytes where ryanodine receptors (RyRs) are clustered with their ... -
Versatile multiplexed super-resolution imaging of nanostructures by Quencher-Exchange-PAINT
(Springer Verlag, 2018-02-02)The optical super-resolution technique DNA-PAINT (Point Accumulation Imaging in Nanoscale Topography) provides a flexible way to achieve imaging of nanoscale structures at ∼10-nanometer resolution. In DNA-PAINT, fluorescently ... -
The collapse of a molecular cloud core to stellar densities using radiation non-ideal magnetohydrodynamics (dataset)
(University of Exeter, 2018-04-19)We present results from radiation non-ideal magnetohydrodynamics (MHD) calculations that follow the collapse of rotating, magnetized, molecular cloud cores to stellar densities. These are the first such calculations to ... -
The effect of extreme ionization rates during the initial collapse of a molecular cloud core (dataset)
(University of Exeter, 2018-04-19)What cosmic ray ionization rate is required such that a non-ideal magnetohydrodynamics (MHD) simulation of a collapsing molecular cloud will follow the same evolutionary path as an ideal MHD simulation or as a purely ... -
Non-Gaussian correlations between reflected and transmitted intensity patterns emerging from opaque disordered media (dataset)
(University of Exeter, 2018-04-13)Raw data (and a Matlab script to read them) for the results presented in "Non-Gaussian correlations between reflected and transmitted intensity patterns emerging from opaque disordered media". -
Influence of luminescent graphene quantum dots on trypsin activity
(Dove Medical Press / American Society for Nanomedicine, 2018-03-15)Background: Protein-graphene interactions have the potential to play a pivotal role in the future directions of nanomedicine. These interactions lead to diverse processes such as generation of protein coronas, nano-bio ... -
Investigating the nature of chiral near-field interactions (dataset)
(University of Exeter, 2018-04-11)This is the dataset used for the L.E. Barr et al. (2018) article "Investigating the nature of chiral near-field interactions" published in Physical Review B. -
Strain-engineered inverse charge-funnelling in layered semiconductors
(Springer Nature, 2018)The control of charges in a circuit due to an external electric field is ubiquitous to the exchange, storage and manipulation of information in a wide range of applications, from electronic circuits to synapses in neural ... -
Scattering of accelerated wave packets
(American Physical Society, 2018-03-22)Wave-packet scattering from a stationary potential is significantly modified when the wave packet is subject to an external time-dependent force during the interaction. In the semiclassical limit, wave-packet motion is ... -
Reversal of orbital angular momentum arising from an extreme Doppler shift.
(National Academy of Sciences, 2018-03-26)The linear Doppler shift is familiar as the rise and fall in pitch of a siren as it passes by. Less well known is the rotational Doppler shift, proportional to the rotation rate between source and receiver, multiplied by ... -
Non-Gaussian correlations between reflected and transmitted intensity patterns emerging from opaque disordered media (article)
(American Physical Society, 2018)The propagation of monochromatic light through a scattering medium produces speckle patterns in reflection and transmission, and the apparent randomness of these patterns prevents direct imaging through thick turbid media. ... -
Wide field fluorescence epi-microscopy behind a scattering medium enabled by speckle correlations
(Optical Society of America, 2018-04-05)Fluorescence microscopy is widely used in biological imaging, however scattering from tissues strongly limits its applicability to a shallow depth. In this work we adapt a methodology inspired from stellar speckle ... -
New routes to the functionalization patterning and manufacture of graphene-based materials for biomedical applications
(Royal Society, 2018)Graphene-based materials are being widely explored for a range of biomedical applications, from targeted drug delivery to biosensing, bioimaging and use for antibacterial treatments, to name but a few. In many such ... -
Orbital Elements and Stellar Parameters of the Active Binary UX Arietis
(American Astronomical Society, 2017-07-28)Stellar activity observed as large surface spots, radio flares, or emission lines is often found in binary systems. UX Arietis exhibits these signs of activity, originating on the K0 subgiant primary component. Our aim ... -
Shaken and stirred: the effects of turbulence and rotation on disc and outflow formation during the collapse of magnetised molecular cloud cores (dataset)
(University of Exeter, 2018-04-03)This is the dataset that was used to produce the paper published in MNRAS. Included are the binary dump files from all eighteen of the calculations in the paper. -
Exoplanet diversity in the era of space-based direct imaging missions
(NASA Goddard/University of Maryland, 2018)This white paper discusses the diversity of exoplanets that could be detected by future observations, so that comparative exoplanetology can be performed in the upcoming era of large space-based flagship missions. The ... -
Erratum: Optical selection rules of zigzag graphene nanoribbons [Phys. Rev. B 95, 155438 (2017)]
(American Physical Society, 2017-11-10)