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  • Michael Tobar
2016

Acoustic Tests of Lorentz Symmetry Using Quartz Oscillators

Lo, A., Haslinger, P., Mizrachi, E., Anderegg, L., Mueller, H., Hohensee, M., Goryachev, M. & Tobar, M., 24 Feb 2016, In : Physical Review X. 6, 1, 011018.

Research output: Contribution to journalArticle

Open Access
19 Citations (Scopus)

Towards achieving strong coupling in three-dimensional-cavity with solid state spin resonance

Le Floch, J-M., Delhote, N., Aubourg, M., Madrangeas, V., Cros, D., Castelletto, S. & Tobar, M., Apr 2016, In : Journal of Applied Physics. 119, 15, p. 153901-1- 153901-8 153901.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2019

Bulk Acoustic Wave Resonator-Oscillators and Tests of Fundamental Physics

Goryachev, M., Ivanov, E. N., Tobar, M. E. & Galliou, S., 2019, IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings. IEEE, Institute of Electrical and Electronics Engineers, 8856114. (IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings).

Research output: Chapter in Book/Conference paperConference paper

Probing dark universe with exceptional points

Goryachev, M., McAllister, B. & Tobar, M. E., 1 Jan 2019, In : Physics Of The Dark Universe. 23, 100244.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018

Better than Brillouin

Bourhill, J. & Tobar, M., Jun 2018, In : Nature Physics. 14, 6, p. 531-532 2 p.

Research output: Contribution to journalArticle

2017

Experiments match simulations in a multiple post reentrant cavity

De Paula, L. A. N., Goryachev, M. & Tobar, M. E., 1 Dec 2017, In : Review of Scientific Instruments. 88, 12, 125104.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2019

Broadening frequency range of a ferromagnetic axion haloscope with strongly coupled cavity–magnon polaritons

Flower, G., Bourhill, J., Goryachev, M. & Tobar, M. E., 1 Sep 2019, In : Physics Of The Dark Universe. 25, 100306.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Experimental implementation of a large scale multipost re-entrant array

Goryachev, M., Jeong, J. & Tobar, M. E., 1 May 2019, In : Applied Physics Express. 12, 5, 4 p., 054002.

Research output: Contribution to journalArticle

Low-Temperature Properties of Whispering-Gallery Modes in Isotopically Pure Silicon-28

Bourhill, J., Goryachev, M., Creedon, D. L., Johnson, B. C., Jamieson, D. N. & Tobar, M. E., 15 Apr 2019, In : Physical Review Applied. 11, 4, 044044.

Research output: Contribution to journalArticle

2018

Tunable supermode dielectric resonators for axion dark-matter haloscopes

McAllister, B. T., Flower, G., Tobar, L. E. & Tobar, M. E., 26 Jan 2018, In : Physical Review Applied. 9, 1, 014028.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2019

Combined Search for a Lorentz-Violating Force in Short-Range Gravity Varying as the Inverse Sixth Power of Distance

Shao, C-G., Chen, Y-F., Tan, Y-J., Yang, S-Q., Luo, J., Tobar, M. E., Long, J. C., Weisman, E. & Kostelecky, V. A., 10 Jan 2019, In : Physical Review Letters. 122, 1, 7 p., 011102.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2018
3 Citations (Scopus)
2016

A 3D printed superconducting aluminium microwave cavity

Creedon, D. L., Goryachev, M., Kostylev, N., Sercombe, T. & Tobar, M., 2016, In : Applied Physics Letters. 109, 3, p. 032601-1 - 032601-4 032601.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Combined Search for Lorentz Violation in Short-Range Gravity

Shao, C. G., Tan, Y. J., Tan, W. H., Yang, S. Q., Luo, J., Tobar, M., Bailey, Q. G., Long, J. C., Weisman, E., Xu, R. & Kostelecký, V. A., 10 Aug 2016, In : Physical Review Letters. 117, 7, p. 071102-1 - 071102-6

Research output: Contribution to journalArticle

Open Access
File
33 Citations (Scopus)
357 Downloads (Pure)

A new method of probing mechanical losses of coatings at cryogenic temperatures

Galliou, S., Deléglise, S., Goryachev, M., Neuhaus, L., Cagnoli, G., Zerkani, S., Dolique, V., Bon, J., Vacheret, X., Abbé, P., Pinard, L., Michel, C., Karassouloff, T., Briant, T., Cohadon, P. F., Heidmann, A., Tobar, M. E. & Bourquin, R., 1 Dec 2016, In : Review of Scientific Instruments. 87, 12, 123906.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
275 Downloads (Pure)
2018

Next Generation of Phonon Tests of Lorentz Invariance using Quartz BAW Resonators

Goryachev, M., Kuang, Z., Ivanov, E. N., Haslinger, P., Muller, H. & Tobar, M. E., Jun 2018, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 65, 6, p. 991-1000

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
235 Downloads (Pure)
2016

Superstrong coupling of a microwave cavity to yttrium iron garnet magnons

Kostylev, N., Goryachev, M. & Tobar, M., 8 Feb 2016, In : Applied Physics Letters. 108, 6, p. 062402-1- 062402-4 062402.

Research output: Contribution to journalArticle

Open Access
File
36 Citations (Scopus)
242 Downloads (Pure)

Ultrahigh cooperativity interactions between magnons and resonant photons in a YIG sphere

Bourhill, J., Kostylev, N., Goryachev, M., Creedon, D. & Tobar, M., 25 Apr 2016, In : Physical Review B - Condensed Matter and Materials Physics. 93, 14, 144420.

Research output: Contribution to journalArticle

51 Citations (Scopus)

High-Stability Comparison of Atomic Fountains Using Two Different Cryogenic Oscillators

Abgrall, M., Guena, J., Lours, M., Santarelli, G., Tobar, M. E., Bize, S., Grop, S., Dubois, B., Fluhr, C. & Giordano, V., 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 63, 8, p. 1198-1203 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2019
2 Citations (Scopus)
2018

Novel Resonators for Axion Haloscopes

McAllister, B. T., Goryachev, M. & Tobar, M. E., 1 Jan 2018, Microwave Cavities and Detectors for Axion Research - Proceedings of the 2nd International Workshop. Carosi, G., Rybka, G. & van Bibber, K. (eds.). USA: Springer Science + Business Media, Vol. 211. p. 53-59 7 p.

Research output: Chapter in Book/Conference paperConference paper

2016

Behavior of quartz crystal resonators at liquid helium temperature

Galliou, S., Abbé, P., Goryachev, M., Ivanov, E. N., Tobar, M. E. & Bourquin, R., 2016, 2016 European Frequency and Time Forum. Everard, J. (ed.). IEEE, Institute of Electrical and Electronics Engineers

Research output: Chapter in Book/Conference paperConference paper

2017

Glasses: Achieving long phonon lifetimes

Goryachev, M. & Tobar, M. E., 22 Feb 2017, In : Nature Materials. 16, 3, p. 285-286 2 p.

Research output: Contribution to journalComment/debate

2016

Quality factor measurements of various types of quartz crystal resonators operating near 4 K

Galliou, S., Goryachev, M., Abbe, P., Vacheret, X., Tobar, M. & Bourquin, R., 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 63, 7, p. 975-980

Research output: Contribution to journalArticle

6 Citations (Scopus)

Reconfigurable Microwave Photonic Topological Insulator

Goryachev, M. & Tobar, M. E., 9 Dec 2016, In : Physical Review Applied. 6, 6, 064006.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Towards Cryogenic Quartz Oscillators: Coupling of a Bulk Acoustic Wave quartz resonator to a SQUID

Goryachev, M., Ivanov, E. N., Tobar, M. E. & Galliou, S., 2016, 2016 IEEE International Frequency Control Symposium. Maleki, L. & Partridge, A. (eds.). IEEE, Institute of Electrical and Electronics Engineers, 7563583

Research output: Chapter in Book/Conference paperConference paper

Enhanced sensitivity to Lorentz invariance violations in short-range gravity experiments

Shao, C. G., Chen, Y. F., Tan, Y. J., Luo, J., Yang, S. Q. & Tobar, M. E., 2016, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 94, 10, 104061.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2017

First search for axions of mass 110 μeV using milliKelvin cooled 26.6 GHz microwave resonator

McAlister, B., Kruger, J., Flower, G., Bourhill, J., Goryachev, M., Parker, S., Ivanov, E. & Tobar, M., 27 Oct 2017, 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFC 2017 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, p. 179-180 2 p. 8088839

Research output: Chapter in Book/Conference paperConference paper

2018

Cavity magnon polaritons with lithium ferrite and three-dimensional microwave resonators at millikelvin temperatures

Goryachev, M., Watt, S., Bourhill, J., Kostylev, M. & Tobar, M. E., 13 Apr 2018, In : Physical Review B. 97, 15, 155129.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Stabilized Free-Space Optical Frequency Transfer

Gozzard, D. R., Schediwy, S. W., Stone, B., Messineo, M. & Tobar, M., 29 Aug 2018, In : Physical Review Applied. 10, 2, 024046.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2017

Sensitivity characterisation of a parametric transducer for gravitational wave detection through optical spring effect

Carvalho, N. C., Bourhill, J., Tobar, M. E. & Aguiar, O. D., 28 Jul 2017, In : Classical and Quantum Gravity. 34, 17, 175001.

Research output: Contribution to journalArticle

Whispering Gallery mode ESR spectroscopy and parameters measurement in single crystal SrLaAlO4 at millikelvin temperature

Hosain, M. A., Le Floch, J. M., Krupka, J. & Tobar, M. E., 1 Aug 2017, In : Journal of Magnetic Resonance. 281, p. 209-216 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018

Rigorous ESR spectroscopy of Fe3+ impurity ion with oxygen vacancy in ferroelectric SrTiO3 crystal at 20 mK

Hosain, M. A., Le Floch, J-M., Krupka, J. & Tobar, M. E., 25 Jul 2018, In : Journal of Physics-Condensed Matter. 30, 29, 6 p., 295805.

Research output: Contribution to journalArticle

2019

Isotopically Pure Silcon-28 Whispering Gallery Mode Resonators: A Host for Narrow Linewidth Spin Ensembles

Tobar, M. E., Bourhill, J., Goryachev, M., Creedon, D., Johnson, B. C. & Jamieson, D., 14 May 2019, 2018 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2018. IEEE, Institute of Electrical and Electronics Engineers, p. 41-42 2 p. 8715244. (2018 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2018).

Research output: Chapter in Book/Conference paperConference paper

2017

Electromagnetic properties of terbium gallium garnet at millikelvin temperatures and low photon energy

Kostylev, N., Goryachev, M., Bushev, P. & Tobar, M. E., 31 Jul 2017, In : Applied Physics Letters. 111, 5, 052402.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Higher order reentrant post modes in cylindrical cavities

McAllister, B. T., Shen, Y., Flower, G., Parker, S. R. & Tobar, M. E., 14 Oct 2017, In : Journal of Applied Physics. 122, 14, 144501.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2018

Whispering gallery mode dielectric spectroscopy of SrLaAlO4 at milliKelvin temperatures

Hosain, M. A., Le Floch, J. M., Krupka, J., Bourhill, J. F. & Tobar, M. E., 21 Jun 2018, In : Journal of Applied Physics. 123, 23, 234103.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2019

Ferroelectric phase transition and crystal asymmetry monitoring of SrTiO3 using quasi TE m,1,1 and quasi TM m,1,1 modes

Hosain, M. A., Le Floch, J. M., Bourhill, J. F., Krupka, J. & Tobar, M. E., 14 Sep 2019, In : Journal of Applied Physics. 126, 10, 104102.

Research output: Contribution to journalArticle

Testing the generalized uncertainty principle with macroscopic mechanical oscillators and pendulums

Bushev, P. A., Bourhill, J., Goryachev, M., Kukharchyk, N., Ivanov, E., Galliou, S., Tobar, M. E. & Danilishin, S., 20 Sep 2019, In : Physical Review D. 100, 6, 066020.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

Cryogenic optomechanics and the resurgence of the resonant-mass gravitational wave detector

Tobar, M. E., 13 Sep 2017, In : New Journal of Physics. 19, 2 p., 091001.

Research output: Contribution to journalEditorial

Open Access

Indirect methods to control population distribution in a large spin system

Zhao, L., Goryachev, M., Bourhill, J. & Tobar, M. E., 1 Mar 2017, In : New Journal of Physics. 19, 3, 033016.

Research output: Contribution to journalArticle

Open Access
2016

3D lumped LC resonators as low mass axion haloscopes

Mcallister, B., Parker, S. & Tobar, M., 11 Aug 2016, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 94, 4, p. 042001-1 - 042001-6

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
293 Downloads (Pure)
2017

Frequency-temperature sensitivity reduction with optimized microwave Bragg resonators

Le Floch, J. M., Murphy, C., Hartnett, J. G., Madrangeas, V., Krupka, J., Cros, D. & Tobar, M. E., 7 Jan 2017, In : Journal of Applied Physics. 121, 1, 014102.

Research output: Contribution to journalArticle

Open Access
File
278 Downloads (Pure)
2016

Axion Dark Matter Coupling to Resonant Photons via Magnetic Field

Mcallister, B., Parker, S. & Tobar, M., 21 Apr 2016, In : Physical Review Letters. 116, 16, p. 161804-1-161804-5 161804.

Research output: Contribution to journalArticle

Open Access
File
19 Citations (Scopus)
314 Downloads (Pure)
2017

The ORGAN experiment: An axion haloscope above 15 GHz

McAllister, B. T., Flower, G., Ivanov, E. N., Goryachev, M., Bourhill, J. & Tobar, M. E., Dec 2017, In : Physics Of The Dark Universe. 18, p. 67-72 6 p.

Research output: Contribution to journalArticle

46 Citations (Scopus)
2018

The ORGAN Experiment

McAllister, B. T. & Tobar, M. E., 1 Jan 2018, Microwave Cavities and Detectors for Axion Research - Proceedings of the 2nd International Workshop. Carosi, G., Rybka, G. & van Bibber, K. (eds.). USA: Springer Science + Business Media, Vol. 211. p. 119-125 7 p.

Research output: Chapter in Book/Conference paperConference paper

2019

Precision Frequency Metrology for Axion Searches

Goryachev, M., Mcallister, B. & Tobar, M. E., 2019, IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings. IEEE, Institute of Electrical and Electronics Engineers, 8856108. (IFCS/EFTF 2019 - Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum, Proceedings).

Research output: Chapter in Book/Conference paperConference paper

2018
12 Citations (Scopus)
2016

Piezoelectric tunable microwave superconducting cavity

Carvalho, N. C., Fan, Y. & Tobar, M. E., 20 Sep 2016, In : Review of Scientific Instruments. 87, 9, p. 094702-1 - 094702-4

Research output: Contribution to journalArticle

8 Citations (Scopus)