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

Goryachev, Maxim; Kuang, Zeyu; Ivanov, Eugene; Haslinger, Philipp; Müller, Holger; Tobar, Michael E.

doi:10.1109/tuffc.2018.2824845

Cited by 28 publications

(22 citation statements)

References 49 publications

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“…(6) Acoustic Lorentz InvariancE ExperimeNt (ALIEN) [33,34] is a sister experiment running to detect Lorentz Invariance in the matter sector using quartz BAW oscillators working at 5 MHz in the same basement of the building (around 50m away). No signals at the same times as the observed events were detected by this experiment.…”

Section: Introductionmentioning

confidence: 99%

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

et al. 2021

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This work describes the operation of a High Frequency Gravitational Wave detector based on a cryogenic Bulk Acoustic Wave (BAW) cavity and reports observation of rare events during 153 days of operation over two separate experimental runs (Run 1 and Run 2). In both Run 1 and Run 2 two modes were simultaneously monitored. Across both runs, the 3rd overtone of the fast shear mode (3B) operating at 5.506 MHz was monitored, while in Run 1 the second mode was chosen to be the 5th OT of the slow shear mode (5C) operating at 8.392 MHz. However, in Run 2 the second mode was selected to be closer in frequency to the first mode, and chosen to be the 3rd overtone of the slow shear mode (3C) operating at 4.993 MHz. Two strong events were observed as transients responding to energy deposition within acoustic modes of the cavity. The first event occurred during Run 1 on the 12/05/2019 (UTC), and was observed in the 5.506 MHz mode, while the second mode at 8.392 MHz observed no event. During Run 2, a second event occurred on the 27/11/2019(UTC) and was observed by both modes. Timing of the events were checked against available environmental observations as well as data from other detectors. Various possibilities explaining the origins of the events are discussed.

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Section: Introductionmentioning

confidence: 99%

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

et al. 2021

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“…The shifts vary periodically at frequencies involving the the turntable rotation rate, the Earth's sidereal rotation rate, and the Earth's orbital frequency. Experiments have demonstrated sensitivities at parts in 10 14 to dimension d = 4 Lorentz violations [63], and are expected to reach 10 −16 GeV 4−d to arbitrary dimension d violations [103].…”

Section: Discussionmentioning

confidence: 99%

“…Searches for Lorentz violation in quartz resonators have demonstrated sensitivities on the order of parts in 10 14 to d = 4 violations [63], and are expected to improve by two orders of magnitude [103]. We therefore expect sensitivities near 10…”

Section: Acoustic Resonatorsmentioning

confidence: 93%

Non-Minimal Lorentz Violation in Macroscopic Matter

Mewes

2020

Symmetry

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The effects of Lorentz and CPT violations on macroscopic objects are explored. Effective composite coefficients for Lorentz violation are derived in terms of coefficients for electrons, protons, and neutrons in the Standard-Model Extension, including all minimal and non-minimal violations. The hamiltonian and modified Newton’s second law for a test body are derived. The framework is applied to free-fall and torsion-balance tests of the weak equivalence principle and to orbital motion. The effects on continuous media are studied, and the frequency shifts in acoustic resonators are calculated.

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“…(6) Acoustic Lorentz InvariancE ExperimeNt (ALIEN) [29] is a sister experiment running to detect Lorentz Invariance in the matter sector using quartz BAW oscillators working at 5 MHz in the same basement of the building (around 50m away). The main observable of this experiment was a relative frequency of two acoustic devices nominally identical to that used in the discussed work.…”

Section: Introductionmentioning

confidence: 99%

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

Goryachev,

Campbell,

Heng

et al. 2021

Preprint

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This work describes the operation of a High Frequency Gravitational Wave detector based on a cryogenic Bulk Acoustic Wave (BAW) cavity and reports observation of rare events during 153 days of operation over two seperate experimental runs (Run 1 and Run 2). In both Run 1 and Run 2 two modes were simultaneously monitored. Across both runs, the 3rd overtone of the fast shear mode (3B) operating at 5.506 MHz was monitored, while in Run 1 the second mode was chosen to be the 5th OT of the slow shear mode (5C) operating at 8.392 MHz. However, in Run 2 the second mode was selected to be closer in frequency to the first mode, and chosen to be the 3rd overtone of the slow shear mode (3C) operating at 4.993 MHz. Two strong events were observed as transients responding to energy deposition within acoustic modes of the cavity. The first event occurred during Run 1 on the 12/05/2019 (UTC), and was observed in the 5.506 MHz mode, while the second mode at 8.392 MHz observed no event. During Run 2, a second event occurred on the 27/11/2019(UTC) and was observed by both modes. Timing of the events were checked against available environmental observations as well as data from other detectors. Various possibilities explaining the origins of the events are discussed.

show abstract

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

Cited by 28 publications

References 49 publications

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

Non-Minimal Lorentz Violation in Macroscopic Matter

Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna

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