Robert J. Thompson
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View article: Evaporative-cooling dynamics and stability of a continuous Bose-Einstein-condensate source
Evaporative-cooling dynamics and stability of a continuous Bose-Einstein-condensate source Open
We present evaporative cooling simulations based on the direct simulation Monte Carlo method. Our system is a 54-cm-long atom guide with reflective barriers at the beginning and the end. The atom guide is continuously loaded with thermal a…
View article: Quantum gravity gradiometry for future mass change science
Quantum gravity gradiometry for future mass change science Open
A quantum gravity gradiometer in a low Earth orbit, operating in a cross-track configuration, could be a viable single-spacecraft measurement instrument to provide mass change data for Earth observation, at comparable or better resolutions…
View article: Pathfinder experiments with atom interferometry in the Cold Atom Lab onboard the International Space Station
Pathfinder experiments with atom interferometry in the Cold Atom Lab onboard the International Space Station Open
Deployment of ultracold atom interferometers (AI) into space will capitalize on quantum advantages and the extended freefall of persistent microgravity to provide high-precision measurement capabilities for gravitational, Earth, and planet…
View article: The Study of Quantum Phenomena with the Cold Atom Lab in Microgravity 
The Study of Quantum Phenomena with the Cold Atom Lab in Microgravity  Open
The Cold Atom Lab (CAL) launched to the International Space Station (ISS) in May 2018 and has been entirely remotely operated from NASA's Jet Propulsion Laboratory since then as the world's first multi-user facility for studying ultra-cold…
View article: Interferometry of Atomic Matter Waves in the Cold Atom Lab onboard the International Space Station
Interferometry of Atomic Matter Waves in the Cold Atom Lab onboard the International Space Station Open
Ultracold atomic gases hold unique promise for space science by capitalizing on quantum advantages and extended freefall, afforded in a microgravity environment, to enable next-generation precision sensors. Atom interferometers are a class…
View article: Quantum atomic matter near two-dimensional materials in microgravity
Quantum atomic matter near two-dimensional materials in microgravity Open
Novel two-dimensional atomically flat materials, such as graphene and transition-metal dichalcogenides, exhibit unconventional Dirac electronic spectra. We propose to effectively engineer their interactions with cold atoms in microgravity,…
View article: Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space
Quantum Gas Mixtures and Dual-Species Atom Interferometry in Space Open
The capability to reach ultracold atomic temperatures in compact instruments has recently been extended into space. Ultracold temperatures amplify quantum effects, while free-fall allows further cooling and longer interactions time with gr…
View article: NASA's Cold Atom Laboratory: Four Years of Quantum Science Operations in Space
NASA's Cold Atom Laboratory: Four Years of Quantum Science Operations in Space Open
The Cold Atom Laboratory (CAL) is a quantum facility for studying ultra-cold gases in the microgravity environment of the International Space Station. It enables research in a temperature regime and force-free environment inaccessible to t…
View article: Exploring the limits of ultracold atoms in space
Exploring the limits of ultracold atoms in space Open
Existing space-based cold atom experiments have demonstrated the utility of microgravity for improvements in observation times and for minimizing the expansion energy and rate of a freely evolving coherent matter wave. In this paper we exp…
View article: Quantum Atomic Matter Near Two-Dimensional Materials in Microgravity
Quantum Atomic Matter Near Two-Dimensional Materials in Microgravity Open
Novel two-dimensional (2D) atomically flat materials, such as graphene and transition-metal dichalcogenides, exhibit unconventional Dirac electronic spectra. We propose to effectively engineer their interactions with cold atoms in microgra…
View article: A space-based quantum gas laboratory at picokelvin energy scales
A space-based quantum gas laboratory at picokelvin energy scales Open
Ultracold quantum gases are ideal sources for high-precision space-borne sensing as proposed for Earth observation, relativistic geodesy and tests of fundamental physical laws as well as for studying new phenomena in many-body physics exte…
View article: A QUANTUM-AI FRAMEWORK FOR EXTREME WEATHER PREDICTION
A QUANTUM-AI FRAMEWORK FOR EXTREME WEATHER PREDICTION Open
The frequency and intensity of extreme weather events in North America will likely increase with a changing climate. High resolution simulations are necessary to advance process-based understanding of weather events at local scales accompa…
View article: Recommendations for Improving Integration in National End-to-End Flood Forecasting Systems: An Overview of the FFIR (Flooding From Intense Rainfall) Programme
Recommendations for Improving Integration in National End-to-End Flood Forecasting Systems: An Overview of the FFIR (Flooding From Intense Rainfall) Programme Open
Recent surface-water and flash floods have caused millions of pounds worth of damage in the UK. These events form rapidly and are difficult to predict due to their short-lived and localised nature. The interdisciplinary Flooding From Inten…
View article: Improvements in Forecasting Intense Rainfall: Results from the FRANC (Forecasting Rainfall Exploiting New Data Assimilation Techniques and Novel Observations of Convection) Project
Improvements in Forecasting Intense Rainfall: Results from the FRANC (Forecasting Rainfall Exploiting New Data Assimilation Techniques and Novel Observations of Convection) Project Open
The FRANC project (Forecasting Rainfall exploiting new data Assimilation techniques and Novel observations of Convection) has researched improvements in numerical weather prediction of convective rainfall via the reduction of initial condi…
View article: Efficient photoconductive terahertz detector with all-dielectric optical metasurface
Efficient photoconductive terahertz detector with all-dielectric optical metasurface Open
We designed an optically thin photoconductive channel as an all-dielectric metasurface comprising an array of low-temperature grown GaAs nanobeams and a sub-surface distributed Bragg reflector. The metasurface exhibited enhanced optical ab…
View article: Designing an efficient hybrid optical cavity
Designing an efficient hybrid optical cavity Open
We present an efficient terahertz (THz) detector based on an optically thin hybrid cavity. We use experimental and numerical methods to design efficient detectors, finding a hybrid cavity structure with a photoconductive (PC) layer as thin…