The time arrow in a Planck gas |
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Authors: | Miroslaw Kozlowski Janina Marciak-Kozlowska |
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Affiliation: | (1) Institute of Experimental Physics, Warsaw University, Hoza 69, 00-681 Warsaw, Poland;(2) Institute of Electron Technology, Al. Lotników 32/46, 02-668 Warsaw, Poland |
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Abstract: | In this paper the quantum heat transport equation (QHT) is applied to the study of thermal properties of Planck gas, i.e., a gas of massive particles with mass equal to the Planck massM P = (łc/G)1/2 and whose relaxation time equals the Planck timeτ p = (łG/c 5)1/2. The quantum of thermal energy for a Planck gas,E Planck = 1019GeV, and the quantum thermal diffusion coefficientD Planck = (ħG/c)1/2 are calculated. Within the framework of QHT the thermal phenomena in a Planck gas can be divided into two classes: for a time period shorter thanτ p , the time reversal symmetry holds and for a time period longer thanτ p , time symmetry is broken, i.e., a time arrow is created. |
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Keywords: | Planck gas quantum heat transport arrow of time |
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