All Outputs (2196)

Collectively Encoded Rydberg Qubit (2021)
Journal Article
Spong, N. L. R., Jiao, Y., Hughes, O. D. W., Weatherill, K. J., Lesanovsky, I., & Adams, C. S. (2021). Collectively Encoded Rydberg Qubit. Physical Review Letters, 127(6), Article 063604. https://doi.org/10.1103/PhysRevLett.127.063604

We demonstrate a collectively-encoded qubit based on a single Rydberg excitation stored in an ensemble of N entangled atoms. Qubit rotations are performed by applying microwave fields that drive excitations between Rydberg states. Coherent read-out i... Read More about Collectively Encoded Rydberg Qubit.

Collectively Encoded Rydberg Qubit (2021)
Journal Article
Spong, N. L. R., Jiao, Y., Hughes, O. D. W., Weatherill, K. J., Lesanovsky, I., & Adams, C. S. (2021). Collectively Encoded Rydberg Qubit. Physical Review Letters, 127(6), Article 063604. https://doi.org/10.1103/PhysRevLett.127.063604

We demonstrate a collectively encoded qubit based on a single Rydberg excitation stored in an ensemble of N entangled atoms. Qubit rotations are performed by applying microwave fields that drive excitations between Rydberg states. Coherent readout is... Read More about Collectively Encoded Rydberg Qubit.

Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings (2021)
Journal Article
Antoniou, G., Lehébel, A., Ventagli, G., & Sotiriou, T. P. (2021). Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings. Physical Review D, 104(4), Article 044002. https://doi.org/10.1103/PhysRevD.104.044002

Spontaneous scalarization is a gravitational phenomenon in which deviations from general relativity arise once a certain threshold in curvature is exceeded, while being entirely absent below that threshold. For black holes, scalarization is known to... Read More about Black hole scalarization with Gauss-Bonnet and Ricci scalar couplings.

Exponentially accelerated approach to stationarity in Markovian open quantum systems through the Mpemba effect (2021)
Journal Article
Carollo, F., Lasanta, A., & Lesanovsky, I. (2021). Exponentially accelerated approach to stationarity in Markovian open quantum systems through the Mpemba effect. Physical Review Letters, 127(6), Article 060401. https://doi.org/10.1103/PhysRevLett.127.060401

Ergodicity-breaking and slow relaxation are intriguing aspects of nonequilibrium dynamics both in classical and in quantum settings. These phenomena are typically associated with phase transitions, e.g. the emergence of metastable regimes near a firs... Read More about Exponentially accelerated approach to stationarity in Markovian open quantum systems through the Mpemba effect.

The Three Hundred Project: The stellar angular momentum evolution of cluster galaxies (2021)
Journal Article
Mostoghiu, R., Knebe, A., Pearce, F. R., Power, C., Lagos, C. D. P., Cui, W., …Yepes, G. (2021). The Three Hundred Project: The stellar angular momentum evolution of cluster galaxies. Astronomy and Astrophysics, 652, 1-8. https://doi.org/10.1051/0004-6361/202038425

Using 324 numerically modelled galaxy clusters as provided by THE THREE HUNDRED project, we study the evolution of the kinematic properties of the stellar component of haloes on first infall. We selected objects with Mstar > 5 × 1010h-1Mpdbl within 3... Read More about The Three Hundred Project: The stellar angular momentum evolution of cluster galaxies.

COALAS: I. ATCA CO(1-0) survey and luminosity function in the Spiderweb protocluster at z = 2.16 (2021)
Journal Article
Jin, S., Dannerbauer, H., Emonts, B., Serra, P., Lagos, C. D. P., Thomson, A. P., …Ziegler, B. (2021). COALAS: I. ATCA CO(1-0) survey and luminosity function in the Spiderweb protocluster at z = 2.16. Astronomy and Astrophysics, 652, Article A11. https://doi.org/10.1051/0004-6361/202040232

We report a detailed CO(1-0) survey of a galaxy protocluster field at z = 2.16, based on 475 h of observations with the Australia Telescope Compact Array. We constructed a large mosaic of 13 individual pointings, covering an area of 21 arcmin2 and ±6... Read More about COALAS: I. ATCA CO(1-0) survey and luminosity function in the Spiderweb protocluster at z = 2.16.

Unidirectional magnetoresistance and spin-orbit torque in NiMnSb (2021)
Journal Article
Železný, J., Fang, Z., Olejník, K., Patchett, J., Gerhard, F., Gould, C., …Ciccarelli, C. (2021). Unidirectional magnetoresistance and spin-orbit torque in NiMnSb. Physical Review B, 104(5), 1-13. https://doi.org/10.1103/PhysRevB.104.054429

Spin-dependent transport phenomena due to relativistic spin-orbit coupling and broken space-inversion symmetry are often difficult to interpret microscopically, in particular when occurring at surfaces or interfaces. Here we present a theoretical and... Read More about Unidirectional magnetoresistance and spin-orbit torque in NiMnSb.

Topological sectors, dimer correlations, and monomers from the transfer-matrix solution of the dimer model (2021)
Journal Article
Wilkins, N., & Powell, S. (2021). Topological sectors, dimer correlations, and monomers from the transfer-matrix solution of the dimer model. Physical Review E, 104(1), Article 014145. https://doi.org/10.1103/physreve.104.014145

We solve the classical square-lattice dimer model with periodic boundaries and in the presence of a field t that couples to the (vector) flux, by diagonalizing a modified version of Lieb's transfer matrix. After deriving the torus partition function... Read More about Topological sectors, dimer correlations, and monomers from the transfer-matrix solution of the dimer model.

Cochlear implant user perceptions of magnetic resonance imaging (2021)
Journal Article
Dewey, R. S., & Kitterick, P. T. (2022). Cochlear implant user perceptions of magnetic resonance imaging. Cochlear Implants International, 23(1), 11-20. https://doi.org/10.1080/14670100.2021.1954748

Objectives

To characterise opinions about needing to undergo MRI within the population of current cochlear implant (CI) users.

Background

Magnetic resonance imaging (MRI) of CI users is often associated with severe discomfort and magnet disp... Read More about Cochlear implant user perceptions of magnetic resonance imaging.

Galaxy Morphological Classification Catalogue of the Dark Energy Survey Year 3 data with Convolutional Neural Networks (2021)
Journal Article
Cheng, T.-Y., Conselice, C. J., Aragón-Salamanca, A., Aguena, M., Allam, S., Andrade-Oliveira, F., …To, C. (2021). Galaxy Morphological Classification Catalogue of the Dark Energy Survey Year 3 data with Convolutional Neural Networks. Monthly Notices of the Royal Astronomical Society, 507(3), 4425-4444. https://doi.org/10.1093/mnras/stab2142

We present in this paper one of the largest galaxy morphological classification catalogues to date, including over 20 million of galaxies, using the Dark Energy Survey (DES) Year 3 data based on Convolutional Neural Networks (CNN). Monochromatic i-ba... Read More about Galaxy Morphological Classification Catalogue of the Dark Energy Survey Year 3 data with Convolutional Neural Networks.

CsPb(Br/I)3Perovskite Nanocrystals for Hybrid GaN-Based High-Bandwidth White Light-Emitting Diodes (2021)
Journal Article
Ma, Z., Li, X., Zhang, C., Turyanska, L., Lin, S., Xi, X., …Zhao, L. (2021). CsPb(Br/I)3Perovskite Nanocrystals for Hybrid GaN-Based High-Bandwidth White Light-Emitting Diodes. ACS Applied Nano Materials, 4(8), 8383-8389. https://doi.org/10.1021/acsanm.1c01604

The modulation bandwidth of white light emitting diodes (LEDs) is an important factor in visible light communication (VLC) system, which is mainly limited by the down-conversion materials. The broad spectrum and long lifetime of conventional light co... Read More about CsPb(Br/I)3Perovskite Nanocrystals for Hybrid GaN-Based High-Bandwidth White Light-Emitting Diodes.

Charting galactic accelerations: when and how to extract a unique potential from the distribution function (2021)
Journal Article
An, J., Naik, A. P., Evans, N. W., & Burrage, C. (2021). Charting galactic accelerations: when and how to extract a unique potential from the distribution function. Monthly Notices of the Royal Astronomical Society, 506(4), 5721-5730. https://doi.org/10.1093/mnras/stab2049

The advent of data sets of stars in the Milky Way with 6D phase-space information makes it possible to construct empirically the distribution function (DF). Here, we show that the accelerations can be uniquely determined from the DF using the collisi... Read More about Charting galactic accelerations: when and how to extract a unique potential from the distribution function.

Searching for the shadows of giants II: the effect of local ionisation on the Lyman-alpha absorption signatures of protoclusters at redshift z=2.4 (2021)
Journal Article
Miller, J., Bolton, J., & Hatch, N. (2021). Searching for the shadows of giants II: the effect of local ionisation on the Lyman-alpha absorption signatures of protoclusters at redshift z=2.4. Monthly Notices of the Royal Astronomical Society, 506(4), 6001-6013. https://doi.org/10.1093/mnras/stab2083

Local variations in the intergalactic medium (IGM) neutral hydrogen fraction will affect the Ly α absorption signature of protoclusters identified in tomographic surveys. Using the IllustrisTNG simulations, we investigate how the AGN proximity effect... Read More about Searching for the shadows of giants II: the effect of local ionisation on the Lyman-alpha absorption signatures of protoclusters at redshift z=2.4.

Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning (2021)
Journal Article
Tohill, C., Ferreira, L., Conselice, C. J., Bamford, S. P., & Ferrari, F. (2021). Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning. Astrophysical Journal, 916(1), Article 4. https://doi.org/10.3847/1538-4357/ac033c

At high redshift, due to both observational limitations and the variety of galaxy morphologies in the early universe, measuring galaxy structure can be challenging. Non-parametric measurements such as the CAS system have thus become an important tool... Read More about Quantifying Non-parametric Structure of High-redshift Galaxies with Deep Learning.

Precision magnetic field modelling and control for wearable magnetoencephalography (2021)
Journal Article
Rea, M., Holmes, N., Hill, R. M., Boto, E., Leggett, J., Edwards, L. J., …Brookes, M. J. (2021). Precision magnetic field modelling and control for wearable magnetoencephalography. NeuroImage, 241, Article 118401. https://doi.org/10.1016/j.neuroimage.2021.118401

Optically-pumped magnetometers (OPMs) are highly sensitive, compact magnetic field sensors, which offer a viable alternative to cryogenic sensors (superconducting quantum interference devices – SQUIDs) for magnetoencephalography (MEG). With the promi... Read More about Precision magnetic field modelling and control for wearable magnetoencephalography.

Charge-Swapping Q-balls and Their Lifetimes (2021)
Journal Article
Xie, Q.-X., Saffin, P. M., & Zhou, S.-Y. (2021). Charge-Swapping Q-balls and Their Lifetimes. Journal of High Energy Physics, 2021(7), Article 62. https://doi.org/10.1007/jhep07%282021%29062

For scalar theories accommodating spherically symmetric Q-balls, there are also towers of quasi-stable composite Q-balls, called charge swapping Q-balls (CSQs). We investigate the properties, particularly the lifetimes, of these long-lived CSQs in 2+... Read More about Charge-Swapping Q-balls and Their Lifetimes.

Theory of classical metastability in open quantum systems (2021)
Journal Article
Macieszczak, K., Rose, D. C., Lesanovsky, I., & Garrahan, J. P. (2021). Theory of classical metastability in open quantum systems. Physical Review Research, 3(3), 1-26. https://doi.org/10.1103/PhysRevResearch.3.033047

We present a general theory of classical metastability in open quantum systems. Metastability is a consequence of a large separation in timescales in the dynamics, leading to the existence of a regime when states of the system appear stationary, befo... Read More about Theory of classical metastability in open quantum systems.

Large Deviations at Level 2.5 for Markovian Open Quantum Systems: Quantum Jumps and Quantum State Diffusion (2021)
Journal Article
Carollo, F., Garrahan, J. P., & Jack, R. L. (2021). Large Deviations at Level 2.5 for Markovian Open Quantum Systems: Quantum Jumps and Quantum State Diffusion. Journal of Statistical Physics, 184(1), Article 13. https://doi.org/10.1007/s10955-021-02799-x

We consider quantum stochastic processes and discuss a level 2.5 large deviation formalism providing an explicit and complete characterisation of fluctuations of time-averaged quantities, in the large-time limit. We analyse two classes of quantum sto... Read More about Large Deviations at Level 2.5 for Markovian Open Quantum Systems: Quantum Jumps and Quantum State Diffusion.

Feasibility and Biological Activity of a Ketogenic/Intermittent-Fasting Diet in Patients With Glioma (2021)
Journal Article
Schreck, K. C., Hsu, F.-C., Berrington, A., Henry-Barron, B., Vizthum, D., Blair, L., …Strowd, R. E. (2021). Feasibility and Biological Activity of a Ketogenic/Intermittent-Fasting Diet in Patients With Glioma. Neurology, 97(9), e953-e963. https://doi.org/10.1212/wnl.0000000000012386

OBJECTIVE: To examine the feasibility, safety, systemic biological activity, and cerebral activity of a ketogenic dietary intervention in patients with glioma.

METHODS: 25 patients with biopsy-confirmed WHO Grade 2-4 astrocytoma with stable diseas... Read More about Feasibility and Biological Activity of a Ketogenic/Intermittent-Fasting Diet in Patients With Glioma.

Band gap measurements of monolayer h-BN and insights into carbon-related point defects (2021)
Journal Article
Román, R. J. P., Costa, F. J. R., Zobelli, A., Elias, C., Valvin, P., Cassabois, G., …Zagonel, L. F. (2021). Band gap measurements of monolayer h-BN and insights into carbon-related point defects. 2D Materials, 8(4), Article 044001. https://doi.org/10.1088/2053-1583/ac0d9c

Being a flexible wide band gap semiconductor, hexagonal boron nitride (h-BN) has great potential for technological applications like efficient deep ultraviolet light sources, building block for two-dimensional heterostructures and room temperature si... Read More about Band gap measurements of monolayer h-BN and insights into carbon-related point defects.