Relativistic heat conduction refers to the modelling of heat conduction (and similar diffusion processes) in a way compatible with special relativity. In special (and general) relativity, the usual heat equation for non-relativistic heat conduction must be modified, as it leads to faster-than-light signal propagation. Relativistic heat conduction, therefore, encompasses a set of models for heat propagation in continuous media (solids, fluids, gases) that are consistent with relativistic causality, namely the principle that an effect must be within the light-cone associated to its cause. Any reasonable relativistic model for heat conduction must also be stable, in the sense that differences in temperature propagate both slower than light and are damped over time (this stability property is
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| - Relativistic heat conduction (en)
- Condução de calor relativística (pt)
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| - Relativistic heat conduction refers to the modelling of heat conduction (and similar diffusion processes) in a way compatible with special relativity. In special (and general) relativity, the usual heat equation for non-relativistic heat conduction must be modified, as it leads to faster-than-light signal propagation. Relativistic heat conduction, therefore, encompasses a set of models for heat propagation in continuous media (solids, fluids, gases) that are consistent with relativistic causality, namely the principle that an effect must be within the light-cone associated to its cause. Any reasonable relativistic model for heat conduction must also be stable, in the sense that differences in temperature propagate both slower than light and are damped over time (this stability property is (en)
- A teoria da condução de calor relativística (em inglês Relativistic Heat Conduction, RHC) reivindica ser o único modelo para a condução térmica (e processos de difusão similares) que é compatível com a teoria da relatividade especial, a segunda lei da termodinâmica, eletrodinâmica e mecânica quântica, simultaneamente. As principais características da RHC são: (pt)
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| - Relativistic heat conduction refers to the modelling of heat conduction (and similar diffusion processes) in a way compatible with special relativity. In special (and general) relativity, the usual heat equation for non-relativistic heat conduction must be modified, as it leads to faster-than-light signal propagation. Relativistic heat conduction, therefore, encompasses a set of models for heat propagation in continuous media (solids, fluids, gases) that are consistent with relativistic causality, namely the principle that an effect must be within the light-cone associated to its cause. Any reasonable relativistic model for heat conduction must also be stable, in the sense that differences in temperature propagate both slower than light and are damped over time (this stability property is intimately intertwined with relativistic causality). (en)
- A teoria da condução de calor relativística (em inglês Relativistic Heat Conduction, RHC) reivindica ser o único modelo para a condução térmica (e processos de difusão similares) que é compatível com a teoria da relatividade especial, a segunda lei da termodinâmica, eletrodinâmica e mecânica quântica, simultaneamente. As principais características da RHC são: 1.
* Admite uma velocidade para a do calor, e permite efeitos relativísticos quando os fluxos de calor transientes aproximam-se desta velocidade. 2.
* Remove a possibilidade de situações paradoxais que possam violar a segunda lei da termodinâmica. 3.
* ELa, implicitamente, admite a dualidade onda-partícula do calor transportando “fônon”. Estes resultados são obtidos por (1) atualizar a equação de Fourier de condução de calor para a forma de uma da eletrodinâmica, e (2), que introduz uma nova definição do vetor fluxo de calor. Por conseguinte, a RHC dá origem a uma série de fenômenos interessantes, tais como ressonância térmica e ondas de choque térmicas, que são possíveis durante aquecimento de isolantes por laseres pulsados de alta frequência. A principal característica interessante da teoria é a sua elegância e simplicidade matemática. (pt)
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