Unruh Effect and Information Entropy Approach

Teslyk, M.; Bravina, L.; Zabrodin, E.

Авторы: Teslyk Maksym, Bravina Larisa, Zabrodin Evgeny
Журнал: Particles
Том: 5
Номер: 2
Год издания: 2022
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 157
Последняя страница: 170
DOI: 10.3390/particles5020014
Аннотация: The Unruh effect can be considered a source of particle production. The idea has been widely employed in order to explain multiparticle production in hadronic and heavy-ion collisions at ultrarelativistic energies. The attractive feature of the application of the Unruh effect as a possible mechanism of the multiparticle production is the thermalized spectra of newly produced particles. In the present paper, the total entropy generated by the Unruh effect is calculated within the framework of information theory. In contrast to previous studies, here the calculations are conducted for the finite time of existence of the non-inertial reference frame. In this case, only a finite number of particles are produced. The dependence on the mass of the emitted particles is taken into account. Analytic expression for the entropy of radiated boson and fermion spectra is derived. We study also its asymptotics corresponding to low- and high-acceleration limiting cases. The obtained results can be further generalized to other intrinsic degrees of freedom of the emitted particles, such as spin and electric charge.
Добавил в систему: Забродин Евгений Евгеньевич

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