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   Articles with "casimir" as a keyword



Superconformal blocks: general theory

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recommendations! Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2020)159

Abstract: In this work we launch a systematic theory of superconformal blocks for four­point functions of arbitrary supermultiplets. Our results apply to a large class of superconformal field theories including 4-dimensional models with any number N… read more here.

Keywords: blocks general; theory; general theory; superconformal blocks ... See more keywords

Scaling Planck's law: a unified approach to the Casimir effect and radiative heat-conductance in nanogaps.

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recommendations! Published in 2022 at "Nanoscale horizons"

DOI: 10.1039/d1nh00496d

Abstract: Using Planck's law from an innovative point of view brings about the possibility to understand the common origin of the repulsive Casimir thermal pressure and the heat exchange in nanogaps. Based on a scale transformation,… read more here.

Keywords: casimir; heat conductance; law; planck law ... See more keywords

Quantum and critical Casimir effects: bridging fluctuation physics and nanotechnology.

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recommendations! Published in 2025 at "Nanoscale"

DOI: 10.1039/d5nr01288k

Abstract: Fluctuation-induced forces, primarily represented by quantum and critical Casimir effects, play a pivotal role at the nanoscale. This review explores the theoretical and experimental landscapes of these forces, offering a comprehensive analysis of their similarities… read more here.

Keywords: casimir; critical casimir; quantum critical; nanotechnology ... See more keywords

Sensitivity on materials optical properties of single beam torsional Casimir actuation

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recommendations! Published in 2017 at "Journal of Applied Physics"

DOI: 10.1063/1.4982762

Abstract: Here, we investigate the dynamical sensitivity of electrostatic torsional type microelectromechanical systems (MEMS) on the optical properties of interacting materials. This is accomplished by considering the combined effect of mechanical Casimir and electrostatic torques to… read more here.

Keywords: optical properties; casimir; sensitivity; beam torsional ... See more keywords

Dependence of non-equilibrium Casimir forces on material optical properties toward chaotic motion during device actuation.

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recommendations! Published in 2019 at "Chaos"

DOI: 10.1063/1.5124308

Abstract: The sensitivity of nonequilibrium Casimir forces on material optical properties can have strong impact on the actuation of devices. For this purpose, we considered nonequilibrium Casimir interactions between good and poor conductors, for example, gold… read more here.

Keywords: casimir; optical properties; nonequilibrium casimir; material optical ... See more keywords

Sensitivity of actuation dynamics on normal and lateral Casimir forces: Interaction of phase change and topological insulator materials.

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recommendations! Published in 2021 at "Chaos"

DOI: 10.1063/5.0065033

Abstract: We investigated here the influence of the lateral and normal Casimir force on the actuation dynamics between sinusoidal corrugated surfaces undergoing both normal and lateral displacements. The calculations were performed for topological insulators and phase… read more here.

Keywords: motion; phase change; casimir; normal lateral ... See more keywords

Enhancement of lateral Casimir force on a rotating particle near hyperbolic metamaterial

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recommendations! Published in 2022 at "Nanotechnology"

DOI: 10.1088/1361-6528/ac59e6

Abstract: Enhancement of weak Casimir forces is extremely important for their practical detection and subsequent applications in variety of scientific and technological fields. We study the lateral Casimir forces acting on the rotating particles with small… read more here.

Keywords: casimir; lateral casimir; particle near; hyperbolic metamaterial ... See more keywords

Numeric corrections to the proximity-force approximation for lateral Casimir forces

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recommendations! Published in 2019 at "Physica Scripta"

DOI: 10.1088/1402-4896/aaf279

Abstract: The widely-adopted proximity-force approximation (PFA) to estimate normal Casimir forces is known to be asymptotically exact at vanishing separations. In this letter, we propose a correction to the PFA, which is sufficiently accurate in predicting… read more here.

Keywords: casimir; lateral casimir; proximity force; force approximation ... See more keywords

Nonequilibrium effects in the Casimir force between two similar metallic plates kept at different temperatures

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recommendations! Published in 2020 at "Physical Review A"

DOI: 10.1103/physreva.101.032506

Abstract: We study the Casimir pressure between two similar plates of finite thickness kept at different temperatures in the case when the dielectric permittivity of the plates depends on temperature. It is suggested to consider the… read more here.

Keywords: two similar; kept different; nonequilibrium; pressure ... See more keywords

Dynamical Casimir effects: The need for nonlocality in time-varying dispersive nanophotonics

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recommendations! Published in 2024 at "Physical Review A"

DOI: 10.1103/physreva.110.l041502

Abstract: Both real and virtual photons can be involved in light-matter interactions. A famous example of the observable implications of virtual photons -- vacuum fluctuations of the quantum electromagnetic field -- is the Casimir effect. Since… read more here.

Keywords: casimir; dynamical casimir; time varying; effects need ... See more keywords

Casimir and Casimir-Polder forces with dissipation from first principles

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recommendations! Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.062504

Abstract: We consider Casimir-Polder and Casimir forces with finite dissipation by coupling heat baths to the dipoles introducing, this way, dissipation from 'first principles'. We derive a representation of the free energy as an integral over… read more here.

Keywords: casimir casimir; dissipation first; casimir; dissipation ... See more keywords