Publications (27)
Axion Dark Matter eXperiment around 3.3 μeV with Dine-Fischler-Srednicki-Zhitnitsky Discovery Ability
C. Goodman, M. Guzzetti, C. Hanretty +46
We report the results of a QCD axion dark matter search with discovery ability for Dine Fischler Srednicki Zhitnitsky (DFSZ) axions using an axion haloscope. Sub-Kelvin noise tempe…
Observation of Rayleigh phonon scattering through excitation of extremely high overtones in low-loss cryogenic acoustic cavities for hybrid quantum systems
M. Goryachev, D. L. Creedon, S. Galliou +1
The confinement of high frequency phonons approaching 1 GHz is demonstrated in phonon-trapping acoustic cavities at cryogenic temperatures using a low-coupled network approach. The…
Quartz-superconductor quantum electromechanical system
M. J. Woolley, M. F. Emzir, G. J. Milburn +4
We propose and analyse a quantum electromechanical system composed of a monolithic quartz bulk acoustic wave (BAW) oscillator coupled to a superconducting transmon qubit via an int…
Distinct Berry Phases in a Single Triangular Möbius Microwave Resonator
E. C. I. Paterson, M. E. Tobar, M. Goryachev +1
We report the experimental observation of two distinct Berry phases ( and ) generated on the surface of a Möbius cavity resonator at microwave freq…
Search for a dark-matter induced Cosmic Axion Background with ADMX
ADMX Collaboration, T. Nitta, T. Braine +45
We report the first result of a direct search for a Cosmic Background (CB) - a relativistic background of axions that is not dark matter - performed with the axion…
Testing of Generalized Uncertainty Principle With Macroscopic Mechanical Oscillators and Pendulums
P. A. Bushev, J. Bourhill, M. Goryachev +5
Recent progress in observing and manipulating mechanical oscillators at quantum regime provides new opportunities of studying fundamental physics, for example, to search for low en…
Anomalously Strong Nonlinearity of Unswept Quartz Acoustic Cavities at Liquid Helium Temperatures
M. Goryachev, Warrick G. Farr, Eugene N. Ivanov +1
We demonstrate a variety of nonlinear phenomena at extremely low powers in cryogenic acoustic cavities fabricated from quartz material, which have not undergone any electrodiffusio…
Spin bath maser in a cryogenically cooled sapphire whispering gallery mode resonator
J. Bourhill, K. Benmessai, M. Goryachev +3
We report the observation of a mechanism of maser generation in an ensemble of inter-coupled, inhomogeneously broadened two-level systems, enhanced by high quality factor electroma…
3D Cavity quantum electrodynamics with a rare-earth spin ensemble
S. Probst, A. Tkalcec, H. Rotzinger +6
We present cavity QED experiments with an Er:YSO crystal magnetically coupled to a 3D cylindrical sapphire loaded copper resonator. Such waveguide cavities are promising for the re…
Piezo-optomechanical coupling of a 3D microwave resonator to a bulk acoustic wave crystalline resonator
N. C. Carvalho, J. Bourhill, M. Goryachev +2
We report the observation of coupling between a 3D microwave cavity mode and a bulk mechanical resonator mediated by piezoelectric and radiation pressure effects. The system is com…
Upconversion of Phonon Modes into Microwave Photons in a Lithium Niobate Bulk Acoustic Wave Resonator Coupled to a Microwave Cavity
S. Parashar, W. M. Campbell, J. Bourhill +3
The coupling between acoustic vibrations in a lithium niobate bulk acoustic wave resonator and microwave photons of a re-entrant microwave cavity was investigated at a temperature…
Non-Virialized Axion Search Sensitive to Doppler Effects in the Milky Way Halo
C. Bartram, T. Braine, R. Cervantes +53
The Axion Dark Matter eXperiment (ADMX) has previously excluded Dine-Fischler-Srednicki-Zhitnisky (DFSZ) axions between 680-790 MHz under the assumption that the dark matter is des…
Dynamically tuneable helicity in twisted electromagnetic resonators
E. C. I. Paterson, J. Bourhill, M. E. Tobar +1
We report the generation of helical electromagnetic radiation in a microwave cavity resonator, achieved by introducing mirror asymmetry, i.e., chirality, through a controlled geome…
Improved Receiver Noise Calibration for ADMX Axion Search: 4.54 to 5.41 eV
M. Guzzetti, D. Zhang, C. Goodman +48
Axions are a well-motivated candidate for dark matter. The preeminent method to search for axion dark matter is known as the axion haloscope, which makes use of the conversion of a…
Searching for Ultra-Light Axions with Twisted Cavity Resonators of Anyon Rotational Symmetry with Bulk Modes of Non-Zero Helicity
J. F. Bourhill, E. C. I. Paterson, M. Goryachev +1
Möbius-ring resonators stem from a well-studied and fascinating geometrical structure that features a one-sided topology; the Möbius strip, and have been shown to exhibit fermion…
Search for "Invisible" Axion Dark Matter in the eV Mass Range
ADMX Collaboration, C. Bartram, T. Braine +49
We report the results from a haloscope search for axion dark matter in the eV mass range. This search excludes the axion-photon coupling predicted by one of the…
Search for Axion Dark Matter from 1.1 to 1.3 GHz with ADMX
ADMX Collaboration, G. Carosi, C. Cisneros +50
Axion dark matter can satisfy the conditions needed to account for all of the dark matter and solve the strong CP problem. The Axion Dark Matter eXperiment (ADMX) is a direct dark…
Axion Dark Matter eXperiment: Run 1B Analysis Details
ADMX Collaboration, C. Bartram, T. Braine +45
Searching for axion dark matter, the ADMX collaboration acquired data from January to October 2018, over the mass range 2.81--3.31 eV, corresponding to the frequency range 680-…
Challenges and Opportunities of Gravitational Wave Searches at MHz to GHz Frequencies
N. Aggarwal, O. D. Aguiar, A. Bauswein +22
The first direct measurement of gravitational waves by the LIGO and Virgo collaborations has opened up new avenues to explore our Universe. This white paper outlines the challenges…
Evidence of Dilute Ferromagnetism in Rare-Earth doped YAG
W. G. Farr, M. Goryachev, J. M. le Floch +2
This work demonstrates strong coupling regime between an Erbium ion spin ensemble and microwave Hybrid Cavity-Whispering Gallery Modes in a Yttrium Aluminium Garnet dielectric crys…
Acoustic tests of Lorentz symmetry using Bulk Acoustic Wave quartz oscillators
M. Goryachev, A. Lo, Ph. Haslinger +5
A new method of probing Lorentz invariance in the neutron sector is described. The method is baed on stable quartz bulk acoustic wave oscillators compared on a rotating table. Due…
Dark Matter Axion Search Using a Josephson Traveling Wave Parametric Amplifier
C. Bartram, T. Braine, R. Cervantes +48
We present a new exclusion bound of axion-like particle dark matter with axion-photon couplings above over the frequency range 4796.7--4799.…
Extremely Low Loss Phonon-Trapping Cryogenic Acoustic Cavities for Future Physical Experiments
S. Galliou, M. Goryachev, R. Bourquin +3
Low loss Bulk Acoustic Wave devices are considered from the point of view of the solid state approach as phonon-confining cavities. We demonstrate effective design of such acoustic…
Low Frequency (100-600 MHz) Searches with Axion Cavity Haloscopes
S. Chakrabarty, J. R. Gleason, Y. Han +44
We investigate reentrant and dielectric loaded cavities for the purpose of extending the range of axion cavity haloscopes to lower masses, below the range where the Axion Dark Matt…
Low-Temperature Microwave Properties of Biaxial YAlO3
N. C. Carvalho, M. Goryachev, J. Krupka +2
Low-loss crystals with defects due to paramagnetic or rare earth impurity ions is a major area of investigation for quantum hybrid systems at both optical and microwave frequencies…
Electromagnetic Helicity in Twisted Cavity Resonators
E. C. I. Paterson, J. Bourhill, M. E. Tobar +1
Through left- or right-handed twisting, we investigate the impact of mirror-asymmetry (chirality) of the conducting boundary conditions of an equilaterial triangular cross-section…
Search for non-virialized axions with 3.3-4.2 eV mass at selected resolving powers
A. T. Hipp, A. Quiskamp, T. J. Caligiure +65
The Axion Dark Matter eXperiment is sensitive to narrow axion flows, given axions compose a fraction of the dark matter with a non-negligible local density. Detecting these low-vel…