Dr William Campbell
Research Platform Fellow/Quantum Engineer
School of Mathematics and Physics
Parnell Building (07), Room 309A
Journal Articles
Campbell, William M., Mariani, Leonardo, Tobar, Michael E. and Goryachev, Maxim (2025). Experimental Limits on Planetary Mass Primordial Black Hole Mergers. Physical Review Letters, 135 (25) 251402, 25. doi: 10.1103/c1kj-rj3c
Samuels, Steven, Campbell, William, Tobar, Michael E. and Goryachev, Maxim (2025). Cryogenic microwave whispering gallery mode spectroscopy of paramagnetic impurities in high-purity crystalline LiF. Journal of Applied Physics, 138 (6) 064402, 6. doi: 10.1063/5.0283131
Campbell, William M., Parashar, Sonali, Mariani, Leonardo, Tobar, Michael E. and Goryachev, Maxim (2025). Low-temperature properties of low-loss macroscopic lithium niobate bulk acoustic wave resonators. Physical Review B, 111 (21) 214106, 1-9. doi: 10.1103/PhysRevB.111.214106
Parashar, S., Campbell, W. M., Bourhill, J., Ivanov, E., Goryachev, M. and Tobar, M. E. (2024). Upconversion of phonon modes into microwave photons in a lithium niobate bulk acoustic wave resonator coupled to a microwave cavity. APL Photonics, 9 (11) 111304, 11. doi: 10.1063/5.0233800
Campbell, William M., Tobar, Michael E., Goryachev, Maxim and Galliou, Serge (2023). Improved constraints on minimum length models with a macroscopic low loss phonon cavity. Physical Review D, 108 (10) 102006, 10. doi: 10.1103/PhysRevD.108.102006
Campbell, William, Galliou, Serge, Tobar, Michael E. and Goryachev, Maxim (2023). Electro-mechanical tuning of high-Q bulk acoustic phonon modes at cryogenic temperatures. Applied Physics Letters, 122 (3) 032202, 3. doi: 10.1063/5.0131361
Goryachev, Maxim, Campbell, William M., Heng, Ik Siong, Galliou, Serge, Ivanov, Eugene N. and Tobar, Michael E. (2021). Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna. Physical Review Letters, 127 (7) 071102, 7. doi: 10.1103/PhysRevLett.127.071102
Campbell, William M., McAllister, Ben T., Goryachev, Maxim, Ivanov, Eugene N. and Tobar, Michael E. (2021). Searching for Scalar Dark Matter via Coupling to Fundamental Constants with Photonic, Atomic, and Mechanical Oscillators. Physical Review Letters, 126 (7) 071301, 7. doi: 10.1103/PhysRevLett.126.071301
Conference Paper
McAllister, Ben T., Campbell, William M., Goryachev, Maxim, Ivanov, Eugene N. and Tobar, Michael E. (2021). Precision frequency techniques to search for dark matter and new physics with photonic, phononic and atomic oscillators. 2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS), Gainesville, FL, United States, 7-17 July 2021. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/EFTF/IFCS52194.2021.9604314