Measurement of the Casimir Force between 0.2 and 8 μm: Experimental Procedures and Comparison with Theory

G Bimonte, B Spreng, PA Maia Neto, GL Ingold… - Universe, 2021 - mdpi.com
We present results on the determination of the differential Casimir force between an Au-
coated sapphire sphere and the top and bottom of Au-coated deep silicon trenches …

Casimir physics beyond the proximity force approximation: The derivative expansion

CD Fosco, FC Lombardo, FD Mazzitelli - Physics, 2024 - mdpi.com
We review the derivative expansion (DE) method in Casimir physics, an approach which
extends the proximity force approximation (PFA). After introducing and motivating the DE in …

Derivative-expansion approach to the interaction between close surfaces

CD Fosco, FC Lombardo, FD Mazzitelli - Physical Review A, 2014 - APS
The derivative-expansion approach to the calculation of the interaction between two
surfaces is a generalization of the proximity force approximation, a technique in widespread …

Beyond-proximity-force-approximation Casimir force between two spheres at finite temperature

G Bimonte - Physical Review D, 2018 - APS
A recent experiment [JL Garrett, DAT Somers, and JN Munday, Phys. Rev. Lett. 120, 040401
(2018) PRLTAO 0031-9007 10.1103/PhysRevLett. 120.040401] measured for the first time …

Effective action for delta potentials: Spacetime-dependent inhomogeneities and Casimir self-energy

SA Franchino-Viñas, FD Mazzitelli - Physical Review D, 2021 - APS
We study the vacuum fluctuations of a quantum scalar field in the presence of a thin and
inhomogeneous flat mirror, modeled with a delta potential. Using heat-kernel techniques, we …

Beyond-proximity-force-approximation Casimir force between two spheres at finite temperature. II. Plasma versus Drude modeling, grounded versus isolated spheres

G Bimonte - Physical Review D, 2018 - APS
A recent experiment [JL Garrett, DAT Somers, and JN Munday, Phys. Rev. Lett 120, 040401
(2018)] measured for the first time the gradient of the Casimir force between two gold …

Derivative expansion for the electromagnetic Casimir free energy at high temperatures

CD Fosco, FC Lombardo, FD Mazzitelli - Physical Review D, 2015 - APS
We study the contribution of the thermal zero modes to the Casimir free energy in the case of
a fluctuating electromagnetic (EM) field in the presence of real materials described by …

Electrostatic interaction due to patch potentials on smooth conducting surfaces

CD Fosco, FC Lombardo, FD Mazzitelli - Physical Review A—Atomic, Molecular …, 2013 - APS
We evaluate the electrostatic interaction energy between two surfaces, one flat and the other
slightly curved, in terms of the two-point autocorrelation functions for patch potentials on …

Classical Casimir interaction of a perfectly conducting sphere and plate

G Bimonte - Physical Review D, 2017 - APS
We study the Casimir interaction between a perfectly conducting sphere and plate in the
classical limit of high temperatures. By taking the small-distance expansion of the exact …

Squeezed magnons in an optical lattice: Application to simulation of the dynamical Casimir effect at finite temperature

XD Zhao, X Zhao, H Jing, L Zhou, W Zhang - Physical Review A—Atomic …, 2013 - APS
We propose to realize controllable squeezing states of ferromagnetic magnons with a spinor
Bose-Einstein condensate confined in an optical lattice. We use an external laser field to …