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We obtain stronger laboratory constraints on the coupling constants of axion-like particles to nucleons from measurements of the normal and lateral Casimir forces between sinusoidally corrugated surfaces of a sphere and a plate. For this…

High Energy Physics - Phenomenology · Physics 2015-06-22 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

Stronger constraints on the pseudoscalar coupling constants of an axion to a proton and a neutron are obtained from an indirect measurement of the effective Casimir pressure between two Au-coated plates by means of micromechanical torsional…

High Energy Physics - Phenomenology · Physics 2014-05-13 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

Stronger constraints on the pseudoscalar coupling constants of an axion and axion-like particles with a proton and a neutron are obtained from measurements of the thermal Casimir-Polder force between a Bose-Einstein condensate of $^{87}$Rb…

High Energy Physics - Phenomenology · Physics 2014-02-21 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

We obtain improved constraints on the coupling constants of axion-like particles to nucleons from a recently performed Casimir-less experiment. For this purpose, the differential force between a Au-coated sphere and either Au or Si sectors…

High Energy Physics - Phenomenology · Physics 2015-04-28 G. L. Klimchitskaya , V. M. Mostepanenko

We calculate the additional force due to two-axion exchange acting in a sphere-disc geometry, used in experiments on measuring the gradient of the Casimir force. With this result, stronger constraints on the pseudoscalar coupling constants…

High Energy Physics - Phenomenology · Physics 2014-04-02 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

We derive constraints on the coupling constants of axion-like particles to nucleons and on the Yukawa-type corrections to Newton's gravitational law from the results of recent experiment on measuring the difference of Casimir forces between…

High Energy Physics - Phenomenology · Physics 2017-07-05 G. L. Klimchitskaya , V. M. Mostepanenko

Axion is a light pseudoscalar particle of much interest for physics of elementary particles and for astrophysics. We review the recently obtained constraints on axion to nucleon coupling constants following from different experiments on…

High Energy Physics - Phenomenology · Physics 2015-02-27 G. L. Klimchitskaya , V. M. Mostepanenko

We obtain constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constant of axionlike particles to nucleons following from the experiment on measuring the Casimir force between an Au-coated microsphere…

High Energy Physics - Phenomenology · Physics 2020-06-05 G. L. Klimchitskaya , P. Kuusk , V. M. Mostepanenko

We study the effects of the oscillating axion field present in our environment on the Casimir pressure between two metallic plates. We take into account the finite conductivity of the boundary plates and model the interactions between…

High Energy Physics - Theory · Physics 2025-03-31 Philippe Brax , Pierre Brun

Constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constant of axionlike particles to nucleons obtained from different laboratory experiments are reviewed and compared. The constraints on…

High Energy Physics - Phenomenology · Physics 2020-09-11 V. M. Mostepanenko , G. L. Klimchitskaya

We derive constraints on the parameters of the Yukawa-type interaction and on the coupling constant of axionlike particles to nucleons from the results of recent diffraction experiment on measuring the Casimir-Polder interaction between Ar…

High Energy Physics - Phenomenology · Physics 2025-11-25 G. L. Klimchitskaya , V. M. Mostepanenko

We study the effects of an oscillating axion field on the pressure between two metallic plates. We consider the situation where a magnetic field parallel to the plates is present and show that the electric field induced by the coupling of…

High Energy Physics - Phenomenology · Physics 2025-01-08 Philippe Brax , Pierre Brun

We report a new limit on a possible short range spin-dependent interaction from the precise measurement of the ratio of Larmor precession frequencies of stored ultracold neutrons and $^{199}$Hg atoms confined in the same volume. The…

Very light particles with CP-violating couplings to ordinary matter, such as axions or axion-like particles, can mediate long-range forces between polarized and unpolarized fermions. We describe a new experimental search for such forces…

High Energy Physics - Experiment · Physics 2018-04-25 Junyi Lee , Attaallah Almasi , Michael Romalis

We propose a test on the role of relaxation properties of conduction electrons in the Casimir pressure between two parallel metal-coated plates kept at different temperatures. It is shown that for sufficiently thick metallic coatings the…

Quantum Physics · Physics 2019-08-23 G. L. Klimchitskaya , V. M. Mostepanenko , R. I. P. Sedmik

A general scheme for axion electrodynamics is given, in which a surrounding medium of constant permittivity and permeability is assumed. Then, as an application we give simple numerical estimates for the electromagnetic current density…

High Energy Physics - Phenomenology · Physics 2022-02-24 Iver Brevik

The strongest constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constants of axion-like particles to nucleons, following from recently performed experiments of the Casimir physics, are presented.…

High Energy Physics - Phenomenology · Physics 2017-05-30 G. L. Klimchitskaya

We present a new constraint for the axion monopole-dipole coupling in the range of 1 micrometer to a few millimeters, previously unavailable for experimental study. The constraint was obtained using our recent results on the observation of…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Baessler , V. V. Nesvizhevsky , K. V. Protasov , A. Yu. Voronin

The Casimir effect in graphene systems is reviewed with emphasis made on the large thermal correction to the Casimir force predicted at short separations between the test bodies. The computational results for the Casimir pressure and for…

Quantum Physics · Physics 2022-11-15 G. L. Klimchitskaya , U. Mohideen , V. M. Mostepanenko

We have performed a precise experimental determination of the Casimir pressure between two gold-coated parallel plates by means of a micromachined oscillator. In contrast to all previous experiments on the Casimir effect, where a small…

Quantum Physics · Physics 2016-08-16 G. L. Klimchitskaya , R. S. Decca , E. Fischbach , D. E. Krause , D. López , V. M. Mostepanenko
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