Testing the generalized uncertainty principle with macroscopic mechanical oscillators and pendulums
Recent progress in observing and manipulating mechanical oscillators at quantum regime
provides new opportunities of studying fundamental physics, for example to search for low …
provides new opportunities of studying fundamental physics, for example to search for low …
Searching for scalar dark matter with compact mechanical resonators
Ultralight scalars are an interesting dark matter candidate that may produce a mechanical
signal by modulating the Bohr radius. Recently it has been proposed to search for this signal …
signal by modulating the Bohr radius. Recently it has been proposed to search for this signal …
Extremely low-loss acoustic phonons in a quartz bulk acoustic wave resonator at millikelvin temperature
Low-loss, high frequency acoustic resonators cooled to millikelvin temperatures are a topic
of great interest for application to hybrid quantum systems. When cooled to 20 mK, we show …
of great interest for application to hybrid quantum systems. When cooled to 20 mK, we show …
Ultrasensitive microwave spectroscopy of paramagnetic impurities in sapphire crystals at millikelvin temperatures
Progress in the emerging field of engineered quantum systems requires the development of
devices that can act as quantum memories. The realization of such devices by doping solid …
devices that can act as quantum memories. The realization of such devices by doping solid …
On the cabling seismic isolation for the microwave transducers of the Schenberg detector
Schenberg is a resonant-mass gravitational wave detector developed by the Brazilian
Graviton group that is sensitive to a central frequency near 3200 Hz with bandwidth around …
Graviton group that is sensitive to a central frequency near 3200 Hz with bandwidth around …
On the dilution refrigerator thermal connection for the SCHENBERG gravitational wave detector
The resonant-mass gravitational wave detector SCHENBERG was designed by the Brazilian
group Graviton to be sensitive to a central frequency nearing 3200 Hz and a bandwidth of …
group Graviton to be sensitive to a central frequency nearing 3200 Hz and a bandwidth of …
Modelling a mechanical antenna for a calibrator for interferometric gravitational wave detector using finite elements method
ARC Prado, FS Bortoli, NS Magalhaes… - Journal of Physics …, 2021 - iopscience.iop.org
Interferometric gravitational wave detectors (IGWD) are a very complex detector, the need to
lock the detector in a dark fringe condition besides the vibrations that affect the mirrors …
lock the detector in a dark fringe condition besides the vibrations that affect the mirrors …
Modelling an experiment to measure the speed of gravity in short distances
C Frajuca, FS Bortoli - Journal of Physics: Conference Series, 2019 - iopscience.iop.org
An experiment to measure the speed of gravitational signals in short distances has been
developed with the goal to study its behaviour as traveling through a medium different from …
developed with the goal to study its behaviour as traveling through a medium different from …
Modelling a suspension for an experiment to measure the speed of gravity in short distances
An experiment to measure the speed of gravitational signals in short distances has been
developed with the intention to study its behavior when a medium different from air is …
developed with the intention to study its behavior when a medium different from air is …
Single-crystal sapphire resonator at millikelvin temperatures: Observation of thermal bistability in high- factor whispering gallery modes
Resonance modes in single crystal sapphire (α-Al 2 O 3) exhibit extremely high electrical
and mechanical Q factors (≈ 10 9 at 4 K), which are important characteristics for …
and mechanical Q factors (≈ 10 9 at 4 K), which are important characteristics for …