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Probing deformed commutators with macroscopic harmonic oscillators
A minimal observable length is a common feature of theories that aim to merge quantum physics and gravity. Quantum mechanically, this concept is associated with a nonzero minimal uncertainty inExpand
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Methods and results of the IGEC search for burst gravitational waves in the years 1997-2000
This paper presents the results of the observations of the detectors participating in the International Gravitational Event Collaboration ~IGEC! from 1997 to 2000 and reviews the data analysisExpand
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Gravitational bar detectors set limits to Planck-scale physics on macroscopic variables
The elusive effects of quantum gravity could be betrayed by subtle deviations from standard quantum mechanics. An experiment using the gravitational wave bar detector AURIGA explores the limits ofExpand
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Nonequilibrium steady-state fluctuations in actively cooled resonators.
We analyze heat and work fluctuations in the gravitational wave detector AURIGA, modeled as a macroscopic electromechanical oscillator in contact with a thermostat and cooled by an active feedbackExpand
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Trichites of Strombidium (Ciliophora, Oligotrichida) Are Extrusomes
Abstract The trichites of Strombidium and related genera have been considered either as a cytoskeletal armature or as extrusomes. To demonstrate their true nature, a study was undertaken on twoExpand
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Wideband mechanical response of a high-Q silicon double-paddle oscillator
We present experimental results of operation of a silicon double-paddle oscillator, namely the mechanical transfer function of the system and the quality factor of its resonant modes. We alsoExpand
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Effects of breaking vibrational energy equipartition on measurements of temperature in macroscopic oscillators subject to heat flux
When the energy content of a resonant mode of a crystalline solid in thermodynamic equilibrium is directly measured, assuming that quantum effects can be neglected it coincides with temperatureExpand
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Noise sources and dissipation mechanisms of a 120 ℏ SQUID amplifier
A two-stage superconducting quantum interference device (SQUID), based on a commercial sensor, is strongly coupled to an electrical resonator at 11 kHz with a quality factor Q=600 000 and operated inExpand
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High Q tunable LC resonator operating at cryogenic temperature
We present a step-motor based cryogenic tuning device for a high Q electrical resonator. The resonator can be tuned in the 145–175 Hz frequency range. Tuning is achieved by moving a superconductingExpand
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Random telegraph signals and low-frequency voltage noise in Y-Ba-Cu-O thin films
Excess low‐frequency noise extending to MHz frequencies was observed in dc current biased granular high‐Tc thin films. At particular bias conditions random telegraph signal produced by a single, fastExpand
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