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The Casimir force between arbitrary objects in equilibrium is related to scattering from individual bodies. We extend this approach to heat transfer and Casimir forces in non-equilibrium cases where each body, and the environment, is at a…

量子物理 · 物理学 2014-10-31 Matthias Krüger , Thorsten Emig , Mehran Kardar

We develop an exact method for computing Casimir forces and the power of radiative heat transfer between two arbitrary nanostructured surfaces out of thermal equilibrium. The method is based on a generalization of the scattering approach…

量子物理 · 物理学 2009-11-23 Giuseppe Bimonte

We study the radiative heat transfer and the Casimir-Lifshitz force occurring between two bodies in a system out of thermal equilibrium. We consider bodies of arbitrary shape and dielectric properties, held at two different temperatures,…

量子物理 · 物理学 2015-05-30 Riccardo Messina , Mauro Antezza

Heat radiation and near-field radiative heat transfer can be strongly manipulated by adjusting geometrical shapes, optical properties, or the relative positions of the objects involved. Typically these objects are considered as embedded in…

经典物理 · 物理学 2017-02-15 Boris Müller , Roberta Incardone , Mauro Antezza , Thorsten Emig , Matthias Krüger

We discuss and analyze the properties of Casimir forces acting between nonreciprocal objects in thermal equilibrium. By starting from the fluctuation-dissipation theorem and splitting the force into those arising from individual sources, we…

量子物理 · 物理学 2022-10-12 David Gelbwaser-Klimovsky , Noah Graham , Mehran Kardar , Matthias Krüger

A general theory of photon-mediated energy and momentum transfer in N-body planar systems out of thermal equilibrium is introduced. It is based on the combination of the scattering theory and the fluctuational-electrodynamics approach in…

介观与纳米尺度物理 · 物理学 2017-05-04 Ivan Latella , Philippe Ben-Abdallah , Svend-Age Biehs , Mauro Antezza , Riccardo Messina

In this work we analyze the incidence of the plates' thickness on the Casimir force and radiative heat transfer for a configuration of parallel plates in a non-equilibrium scenario, relating to Lifshitz's and Landauer's formulas. From a…

We discuss non-equilibrium extensions of the Casimir force (due to electromagnetic fluctuations), where the objects as well as the environment are held at different temperatures. While the formalism we develop is quite general, we focus on…

量子物理 · 物理学 2014-10-31 Matthias Krüger , Thorsten Emig , Giuseppe Bimonte , Mehran Kardar

In recent times the possibility of non-reciprocity in heat transfer between two bodies has been extensively studied. In particular the role of strong magnetic fields has been investigated. A much simpler approach with considerable…

介观与纳米尺度物理 · 物理学 2023-03-29 S. -A. Biehs , G. S. Agarwal

The fluctuations of the electromagnetic field are at the origin of the near-field radiative heat transfer between nanostructures, as well as the Casimir forces and torques that they exert on each other. Here, working within the formalism of…

介观与纳米尺度物理 · 物理学 2023-05-31 Juan R. Deop-Ruano , Alejandro Manjavacas

We study the Casimir-Lifshitz force and the radiative heat transfer occurring between two arbitrary bodies, each one held at a given temperature, surrounded by environmental radiation at a third temperature. The system, in stationary…

量子物理 · 物理学 2011-09-12 Riccardo Messina , Mauro Antezza

Within the framework of macroscopic quantum electrodynamics and scattering theory, we derive the general expressions for the variance of radiative heat transfer between two arbitrarily shaped objects placed in an arbitrary environment in…

介观与纳米尺度物理 · 物理学 2020-07-29 F. Herz , C. Kathmann , S. -A. Biehs

A fundamental prediction of quantum mechanics is that there are random fluctuations everywhere in a vacuum because of the zero-point energy. Remarkably, quantum electromagnetic fluctuations can induce a measurable force between neutral…

量子物理 · 物理学 2022-02-22 Zhujing Xu , Xingyu Gao , Jaehoon Bang , Zubin Jacob , Tongcang Li

We calculate the Casimir interaction between a sphere and a plate, both described by the plasma model, the Drude model, or generalizations of the two models. We compare the results at both zero and finite temperatures. At asymptotically…

统计力学 · 物理学 2015-05-18 Roya Zandi , Thorsten Emig , Umar Mohideen

The Casimir effect, the dispersion force attracting neutral objects to each other, may be understood in terms of multiple scattering of light between the interacting bodies. We explore the simple model in which the bodies are assumed to…

量子物理 · 物理学 2010-04-29 Simen Å. Ellingsen

We examine the non-equilibrium radiative heat transfer between a plate and finite cylinders and cones, making the first accurate theoretical predictions for the total heat transfer and the spatial heat flux profile for three-dimensional…

经典物理 · 物理学 2015-05-28 Alexander P. McCauley , M. T. Homer Reid , Matthias Krüger , Steven G. Johnson

We study heat radiation and heat transfer for pointlike particles in a system of other objects. Starting from exact many-body expressions found from scattering theory and fluctuational electrodynamics, we find that transfer and radiation…

量子物理 · 物理学 2018-11-05 Kiryl Asheichyk , Boris Müller , Matthias Krüger

The low-temperature asymptotic expressions for the Casimir interaction between two real metals described by Leontovich surface impedance are obtained in the framework of thermal quantum field theory. It is shown that the Casimir entropy…

量子物理 · 物理学 2008-11-26 V. B. Bezerra , G. Bimonte , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

Near field radiative heat transfer and dynamic Casimir forces are just two instances of topics of technological and fundamental interest studied via the formalism of fluctuational electrodynamics. From the perspective of experiment and…

量子物理 · 物理学 2015-06-16 Vladyslav A. Golyk , Matthias Krüger , Mehran Kardar

The temperature dependence of the Casimir force between a real metallic plate and a metallic sphere is analyzed on the basis of optical data concerning the dispersion relation of metals such as gold and copper. Realistic permittivities…

量子物理 · 物理学 2009-01-14 I. Brevik , J. B. Aarseth , J. S. Høye , K. A. Milton
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