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Evolution of fluctuations in energy at the horizon and in the volume enclosed by it, in an expanding universe
VS Namboothiri, TK Mathew - arxiv preprint arxiv:2408.09771, 2024 - arxiv.org
This study examines the statistical fluctuations in energy on the Hubble horizon and the
Komar energy, which represents the total gravitational energy within the horizon, as the …
Komar energy, which represents the total gravitational energy within the horizon, as the …
O Modelo de inflação: progressos e desafios
LL Graef - Cadernos de Astronomia, 2023 - periodicos.ufes.br
Após o desenvolvimento do Modelo Padrão da Cosmologia, o Modelo do Big Bang, ao que
tudo indicava, havia-se construído uma teoria satisfatória capaz de descrever a evolução do …
tudo indicava, havia-se construído uma teoria satisfatória capaz de descrever a evolução do …
A compact formula for the quantum fluctuations of energy
R Singh - arxiv preprint arxiv:2110.02727, 2021 - arxiv.org
A formula to calculate the quantum fluctuations of energy in small subsystems of a hot and
relativistic gas is derived. We find an increase in fluctuations for subsystems of small sizes …
relativistic gas is derived. We find an increase in fluctuations for subsystems of small sizes …
Mathematical expressions for quantum fluctuations of energy for different energy-momentum tensors
R Singh - arxiv preprint arxiv:2109.11068, 2021 - arxiv.org
Expressions for the quantum fluctuations of energy density have been derived for the
subsystems consisting of hot relativistic gas of particles with spin-$\frac {1}{2} $ and mass …
subsystems consisting of hot relativistic gas of particles with spin-$\frac {1}{2} $ and mass …