New experimental evidence for Podkletnov effect
A.V. Fetisov

TL;DR
This study reports room-temperature weight loss effects near YBCO superconductors, similar to Podkletnov's experiments, with results correlating to oxygen content and surface area, suggesting a potential link to high-temperature superconductivity.
Contribution
The paper presents new experimental evidence of weight changes at room temperature near YBCO, expanding on Podkletnov's findings and exploring their relation to oxygen content and superconducting properties.
Findings
Weight loss correlates with surface area of test bodies.
Weight changes depend on oxygen content in YBCO.
Observed effects occur at room temperature, unlike original experiments.
Abstract
In the works of E. Podkletnov et al. (for example [Physica C: Superconductivity, 1992, Vol. 203, p. 441]), a unique experiment is described in which a significant reduction in the weight of various test bodies was observed when placed above a rotating disk made of the superconductor YBa2Cu3O6+delta (YBCO); the disk was in the superconducting state (at 20-70 K) and was subjected to an alternating (50 Hz-100 MHz) magnetic field. Numerous attempts to replicate this experiment in other laboratories have been unsuccessful; however, a broad discussion has been initiated regarding the possible nature of the "Podkletnov effect" - the weight loss of objects located above the superconductor. In the present experimental work, results similar to the Podkletnov effect have been obtained, which, however, occur at room temperature. During our experiments, gas-tight containers with the crystal hydrate…
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Taxonomy
TopicsSuperconducting Materials and Applications · Physics of Superconductivity and Magnetism · Adhesion, Friction, and Surface Interactions
