365 citations · 1.5k across the 16 of their papers we have counts for
18 papers
Tracking Quantum State Collapse/Decoherence in Real Time via a Superposition Trap
Hardeep Singh, Tim Kovachy
We propose a novel method for probing quantum state collapse and decoherence in real time using a mechanism we term the superposition trap. This approach exploits the continuity eq…
Long-Baseline Atom Interferometry
Antun Balaz, Diego Blas, Oliver Buchmueller +50
Long-baseline atom interferometry is a promising technique for probing various aspects of fundamental physics, astrophysics and cosmology, including searches for ultralight dark ma…
Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop
Adam Abdalla, Mahiro Abe, Sven Abend +307
This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024, build…
Clear skies ahead: characterizing atmospheric gravity gradient noise for vertical atom interferometers
John Carlton, Valerie Gibson, Tim Kovachy +2
Terrestrial long-baseline atom interferometer experiments are emerging as powerful tools for probing new fundamental physics, including searches for dark matter and gravitational w…
Terrestrial Very-Long-Baseline Atom Interferometry: Workshop Summary
Sven Abend, Baptiste Allard, Iván Alonso +250
This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world…
Snowmass2021 Cosmic Frontier White Paper: Future Gravitational-Wave Detector Facilities
Stefan W. Ballmer, Rana Adhikari, Leonardo Badurina +14
The next generation of gravitational-wave observatories can explore a wide range of fundamental physics phenomena throughout the history of the universe. These phenomena include ac…
New Horizons: Scalar and Vector Ultralight Dark Matter
D. Antypas, A. Banerjee, C. Bartram +123
The last decade has seen unprecedented effort in dark matter model building at all mass scales coupled with the design of numerous new detection strategies. Transformative advances…
Cold Atoms in Space: Community Workshop Summary and Proposed Road-Map
Ivan Alonso, Cristiano Alpigiani, Brett Altschul +246
We summarize the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportu…
Matter-wave Atomic Gradiometer Interferometric Sensor (MAGIS-100)
Mahiro Abe, Philip Adamson, Marcel Borcean +45
MAGIS-100 is a next-generation quantum sensor under construction at Fermilab that aims to explore fundamental physics with atom interferometry over a 100-meter baseline. This novel…
New Technologies for Discovery
Z. Ahmed, A. Apresyan, M. Artuso +80
For the field of high energy physics to continue to have a bright future, priority within the field must be given to investments in the development of both evolutionary and transfo…
AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space
Yousef Abou El-Neaj, Cristiano Alpigiani, Sana Amairi-Pyka +129
We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range bet…
MAGIS-100 at Fermilab
Jon Coleman
MAGIS-100 is a next-generation instrument that uses light-pulse atom interferometry to search for physics beyond the standard model, to be built and installed at Fermilab. We propo…
Effective inertial frame in an atom interferometric test of the equivalence principle
Chris Overstreet, Peter Asenbaum, Tim Kovachy +3
In an ideal test of the equivalence principle, the test masses fall in a common inertial frame. A real experiment is affected by gravity gradients, which introduce systematic error…
Phase shift in atom interferometry due to spacetime curvature
Peter Asenbaum, Chris Overstreet, Tim Kovachy +3
We present a single-source dual atom interferometer and utilize it as a gradiometer for precise gravitational measurements. The macroscopic separation between interfering atomic wa…
Response to "Verifying quantum superpositions at metre scales"
T. Kovachy, P. Asenbaum, C. Overstreet +5
The preceding BCA (Stamper-Kurn et. al., arXiv:1607.01454) asserts that our observation of interference contrast in a half-metre-scale atom interferometer (Kovachy et. al., Nature…
Matter wave lensing to picokelvin temperatures
Tim Kovachy, Jason M. Hogan, Alex Sugarbaker +4
Using a matter wave lens and a long time-of-flight, we cool an ensemble of Rb-87 atoms in two dimensions to an effective temperature of less than ~pK. A short pulse…
A Precision Angle Sensor using an Optical Lever inside a Sagnac Interferometer
J. M. Hogan, J. Hammer, S. -w. Chiow +5
We built an ultra low noise angle sensor by combining a folded optical lever and a Sagnac interferometer. The instrument has a measured noise floor of 1.3 prad / Hz^(1/2) at 2.4 kH…
An Atomic Gravitational Wave Interferometric Sensor in Low Earth Orbit (AGIS-LEO)
Jason M. Hogan, David M. S. Johnson, Susannah Dickerson +11
We propose an atom interferometer gravitational wave detector in low Earth orbit (AGIS-LEO). Gravitational waves can be observed by comparing a pair of atom interferometers separat…