Casimir friction between polarizable particle and half-space with radiation damping at zero temperature

Høye, Johan S.; Brevik, Iver; Milton, Kimball A.

doi:10.1088/1751-8113/48/36/365004

Cited by 15 publications

(12 citation statements)

References 45 publications

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“…See also Reference [86].) Then using either the Kubo formalism or the fluctuation-dissipation theorem we find for low velocities that the frictional force is [85] =…”

Section: Interaction Between An Atom and A Platementioning

confidence: 94%

The Reality of Casimir Friction

2016

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For more than 35 years theorists have studied quantum or Casimir friction, which occurs when two smooth bodies move transversely to each other, experiencing a frictional dissipative force due to quantum electromagnetic fluctuations, which break time-reversal symmetry. These forces are typically very small, unless the bodies are nearly touching, and consequently such effects have never been observed, although lateral Casimir forces have been seen for corrugated surfaces. Partly because of the lack of contact with observations, theoretical predictions for the frictional force between parallel plates, or between a polarizable atom and a metallic plate, have varied widely. Here, we review the history of these calculations, show that theoretical consensus is emerging, and offer some hope that it might be possible to experimentally confirm this phenomenon of dissipative quantum electrodynamics.

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“…See also Reference [86].) Then using either the Kubo formalism or the fluctuation-dissipation theorem we find for low velocities that the frictional force is [85] =…”

Section: Interaction Between An Atom and A Platementioning

confidence: 94%

The Reality of Casimir Friction

2016

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“…Based on the theory of stationary electromagnetic fluctuations [34][35][36], the correlators in (37), (38) are worked out using the fluctuation-dissipation relation (see Appendix B):…”

Section: Vdw Forces On a Moving Neutral Particlementioning

confidence: 99%

“…Then, according to (63), the force F z becomes negligibly small at V ω 0 R. If ω 0 ∼ 10 15 s −1 (for atoms) and R ∼ 10 nm, this implies V 10 7 m/s. The corresponding quantum friction limit [37] for atoms is retrieved when using Equation (61) with a more precise definition of the dressed atomic polarizability [38]. We neglect here corrections with respect to the local equilibrium case and spatial dispersion [39][40][41][42].…”

Section: Vdw Energy and Stopping (Friction) Forcementioning

confidence: 99%

Van der Waals Interactions of Moving Particles with Surfaces of Cylindrical Geometry

Dedkov

2021

Universe

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General nonrelativistic theory has been developed and the expressions obtained for the tangential (dissipative) and radial (conservative) image forces and van der Waals forces (vdW) acting on charged and neutral particles when they move parallel to the axis of a cylinder with circular cross-section, or in the space between coaxial cylinders. Numerical calculations of vdW forces have been performed for metal (Au) and dielectric (Si) materials of cylinders (filaments) and Cs atoms at velocities ~107m/s. A remarkable result is that in the case of metal cylinders (atomic filaments and chains) the dynamic vdW potential can be repulsive for certain values of the velocity–distance parameter and the characteristic atomic frequency. In the case of a Si material, the dynamic vdW potential increases relative to the static one (by modulus) when the velocity–distance parameter Vω0/R changes from zero to ~1.3 and then tends to zero.

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“…Its origin is in the excitation of microscopic degrees of freedom of the bodies, mediated by the electromagnetic field. This results in a contactless dissipative force [16][17][18][19]. The interplay between atomic motion and quantum vacuum fluctuations has been analyzed in different contexts [20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Motion-Induced Radiation Due to an Atom in the Presence of a Graphene Plane

2021

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We study the motion-induced radiation due to the non-relativistic motion of an atom, coupled to the vacuum electromagnetic field by an electric dipole term, in the presence of a static graphene plate. After computing the probability of emission for an accelerated atom in empty space, we evaluate the corrections due to the presence of the plate. We show that the effect of the plate is to increase the probability of emission when the atom is near the plate and oscillates along a direction perpendicular to it. On the contrary, for parallel oscillations, there is a suppression. We also evaluate the quantum friction on an atom moving at constant velocity parallel to the plate. We show that there is a threshold for quantum friction: friction occurs only when the velocity of the atom is larger than the Fermi velocity of the electrons in graphene.

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Casimir friction between polarizable particle and half-space with radiation damping at zero temperature

Cited by 15 publications

References 45 publications

The Reality of Casimir Friction

The Reality of Casimir Friction

Van der Waals Interactions of Moving Particles with Surfaces of Cylindrical Geometry

Motion-Induced Radiation Due to an Atom in the Presence of a Graphene Plane

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