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Nonlocal Quantum Effects in Cosmology
Published 2014-01-01“…Employing a close analogy between the above-mentioned setups and the simplest one-dimensional Friedmann-Robertson-Walker cosmological model, we show that the specific nonlocal correlations revealed in the laboratory studies might be of considerable importance also in treating the strongly nonequilibrium phase transitions of Higgs fields in the early universe. …”
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Neutrino Mass from Cosmology
Published 2012-01-01“…Neutrinos can play an important role in the evolution of the universe, modifying some of the cosmological observables. In this contribution we summarize the main aspects of cosmological relic neutrinos, and we describe how the precision of present cosmological data can be used to learn about neutrino properties, in particular their mass, providing complementary information to beta decay and neutrinoless double-beta decay experiments. …”
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Cosmological constant as an integration constant
Published 2024-12-01“…Abstract The discrepancy between the observed value of the cosmological constant (CC) and its expected value from quantum field theoretical considerations motivates the search for a theory in which the CC is decoupled from the vacuum energy. …”
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Big Bang in dipole cosmology
Published 2025-01-01“…Abstract We continue the study of dipole cosmology framework put forward in Krishnan et al. …”
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Thermodynamics in Loop Quantum Cosmology
Published 2009-01-01“…Loop quantum cosmology (LQC) is very powerful to deal with the behavior of early universe. …”
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Modified Chaplygin Gas Cosmology
Published 2012-01-01“…Essential features of the modified Chaplygin gas as a cosmological model are discussed. Observational constraints on the parameters of the model have been included. …”
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In search of large signals at the cosmological collider
Published 2020-02-01Subjects: “…Cosmology of Theories beyond the SM…”
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Cutting rule for in-in correlators and cosmological collider
Published 2024-12-01“…As an application, we show that non-local cosmological collider signals arise solely from cut-propagators under the assumption of microcausality. …”
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Noncommutativity in Effective Loop Quantum Cosmology
Published 2019-01-01“…We construct a noncommutative extension of the Loop Quantum Cosmology effective scheme for the flat FLRW model with a free scalar field via a theta deformation. …”
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Hubble Parameter Corrected Interactions in Cosmology
Published 2014-01-01“…Then, we investigate problem numerically and analyze behavior of different cosmological parameters concerning fluids and behavior of the universe.…”
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Multiparametric Quantum Algebras and the Cosmological Constant
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Quadrupole formulae with cosmological constant: comparison
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Universal cosmological solutions in Lovelock gravity
Published 2025-01-01“…These findings provide new insights into the cosmological implications of Lovelock gravity and offer a foundation for further exploration into the universe’s evolutionary trajectory.…”
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Cosmology of light towers and swampland constraints
Published 2024-12-01Subjects: “…Cosmological models…”
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Anisotropic cosmology in q-deformed entropic gravity
Published 2025-03-01“…In this work, we examine the implications of q-deformed theory on anisotropic Bianchi type-I cosmological model within the framework of Verlinde's entropic gravity. …”
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Cosmological Dynamics of a Hybrid Chameleon Scenario
Published 2013-01-01“…We consider a hybrid scalar field which is nonminimally coupled to the matter and models a chameleon cosmology. By introducing an effective potential, we study the dependence of the effective potential's minimum and hybrid chameleon field's masses on the local matter density. …”
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Cosmological cutting rules for Bogoliubov initial states
Published 2025-01-01“…The field theoretic wavefunction in cosmological spacetimes has received much attention as a fundamental object underlying the generation of primordial perturbations in our universe. …”
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