☆ 4.7 Article

Isometry invariance of exact correlation functions in various charts of Minkowski and de Sitter spaces

PHYSICAL REVIEW D (2023)

相关参考文献

注意：仅列出部分参考文献，下载原文获取全部文献信息。

Article Astronomy & Astrophysics

Free energy and entropy in Rindler and de Sitter space-times

E. T. Akhmedov et al.

Summary: We investigate the free energy and entropy of the Gaussian massive scalar field theory in static de Sitter space-time for arbitrary temperature. For the inverse temperatures of the form beta = 2 pi 2(k), k is an element of Z, in curvature units, we find the explicit form of the free energy and its derivatives with respect to temperature. There are two types of contributions to the free energy: one is of the area type and can be attributed to the horizon, while the other is of the volume type and is associated with the interior of the space-time. The latter contribution significantly depends on temperature in the odd-dimensional case for the limit of weak field (large mass or small Hubble constant).

PHYSICAL REVIEW D (2022)

添加到收藏夹

Review Astronomy & Astrophysics

Curved space equilibration versus flat space thermalization: A short review

E. T. Akhmedov

Summary: The discussion focuses on the equilibration process in expanding Universes compared to thermalization in Minkowski spacetime. It argues that considering more generic non-invariant states is necessary to understand quantum field dynamics in strongly curved backgrounds. These non-invariant states have effects on observables in highly curved spacetimes due to the presence of IR secular memory effects.

MODERN PHYSICS LETTERS A (2021)

添加到收藏夹

Article Mathematics

WICK ROTATION AND THE POSITIVITY OF ENERGY IN QUANTUM FIELD THEORY

Maxim Kontsevich et al.

Summary: The proposed axiom system assumes the extension of partition function and correlators to a domain of complex-valued metrics; ordinary Riemannian metrics are within this domain, while Lorentzian metrics lie on its boundary.

QUARTERLY JOURNAL OF MATHEMATICS (2021)

添加到收藏夹

Article Astronomy & Astrophysics

Quantum fields in the future Rindler wedge

E. T. Akhmedov et al.

Summary: The text discusses interacting massive scalar quantum field theory in the future Rindler wedge, and investigates how the dynamics of correlation functions depend on the choice of initial Cauchy surface, mode basis, and initial state. It shows which mode choices in the future Rindler wedge respect Poincare symmetry, but also mentions that attention is not restricted to these modes and corresponding ground state.

PHYSICAL REVIEW D (2021)

添加到收藏夹

Article Astronomy & Astrophysics

Interacting quantum fields in various charts of anti-de Sitter spacetime

E. T. Akhmedov et al.

Summary: This paper explores the possibility of defining quantum field theory in different anti-de Sitter spacetimes and the issues that arise. It is found that global anti-de Sitter spacetime presents problems due to an additional UV singularity in the Feynman propagator, while quantum field theory in the Poincare region can be well defined and related to Euclidean AdS through analytic continuation.

PHYSICAL REVIEW D (2021)

添加到收藏夹

Article Astronomy & Astrophysics

Heating up an environment around black holes and inside de Sitter space

E. T. Akhmedov et al.

Summary: We study quantum fields on spacetimes with a bifurcate Killing horizon, allowing for different temperatures of left and right (ingoing and outgoing) modes. We find that in cases where temperatures deviate from the canonical values, the correlation functions exhibit additional singularities at the horizon.

PHYSICAL REVIEW D (2021)

添加到收藏夹

Article Physics, Particles & Fields

Distributions in CFT. Part I. Cross-ratio space

Petr Kravchuk et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

添加到收藏夹

Article Astronomy & Astrophysics

Quantum fields in the static de Sitter universe

E. T. Akhmedov et al.

PHYSICAL REVIEW D (2020)

添加到收藏夹

Article Astronomy & Astrophysics

Equivalence between the in-in perturbation theories for quantum fields in Minkowski spacetime and in the Rindler wedge

Atsushi Higuchi et al.

PHYSICAL REVIEW D (2020)

添加到收藏夹

Article Astronomy & Astrophysics

On iε prescription in cosmology

Ali Kaya

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2019)

添加到收藏夹

Article Astronomy & Astrophysics

Characters of different secular effects in various patches of de Sitter space

E. T. Akhmedov et al.

PHYSICAL REVIEW D (2019)

添加到收藏夹

Article Astronomy & Astrophysics

Propagators and Gaussian effective actions in various patches of de Sitter space

E. T. Akhmedov et al.

PHYSICAL REVIEW D (2019)

添加到收藏夹

Article Physics, Particles & Fields

O(N) model in Euclidean de Sitter space: beyond the leading infrared approximation

Diana Lopez Nacir et al.

JOURNAL OF HIGH ENERGY PHYSICS (2016)

添加到收藏夹

Article Physics, Mathematical

de Sitter Tachyons and Related Topics

Henri Epstein et al.

COMMUNICATIONS IN MATHEMATICAL PHYSICS (2015)

添加到收藏夹

Article Astronomy & Astrophysics

Scalar field correlator in de Sitter space at next-to-leading order in a 1/N expansion

F. Gautier et al.

PHYSICAL REVIEW D (2015)

添加到收藏夹

Review Physics, Multidisciplinary

Quantum fields in curved spacetime

Stefan Hollands et al.

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS (2015)

添加到收藏夹

Review Astronomy & Astrophysics

LECTURE NOTES ON INTERACTING QUANTUM FIELDS IN DE SITTER SPACE

E. T. Akhmedov

INTERNATIONAL JOURNAL OF MODERN PHYSICS D (2014)

添加到收藏夹

Article Astronomy & Astrophysics

Perturbative S-matrix for massive scalar fields in global de Sitter space

Donald Marolf et al.

CLASSICAL AND QUANTUM GRAVITY (2013)

添加到收藏夹

Article Physics, Mathematical

Correlators, Feynman Diagrams, and Quantum No-hair in deSitter Spacetime

Stefan Hollands

COMMUNICATIONS IN MATHEMATICAL PHYSICS (2013)

添加到收藏夹

Article Astronomy & Astrophysics

Physical meaning and consequences of the loop infrared divergences in global de Sitter space

E. T. Akhmedov

PHYSICAL REVIEW D (2013)

添加到收藏夹

Article Astronomy & Astrophysics

Quantum field theory in the flat chart of de Sitter space

Yusuke Korai et al.

PHYSICAL REVIEW D (2013)

添加到收藏夹

Article Astronomy & Astrophysics

On dynamical mass generation in Euclidean de Sitter space

M. Beneke et al.

PHYSICAL REVIEW D (2013)

添加到收藏夹

Article Astronomy & Astrophysics

Nonperturbative resummation of de Sitter infrared logarithms in the large-N limit

J. Serreau et al.

PHYSICAL REVIEW D (2013)

添加到收藏夹

Article Physics, Multidisciplinary

Massless Interacting Scalar Quantum Fields in deSitter Spacetime

Stefan Hollands

ANNALES HENRI POINCARE (2012)

添加到收藏夹

Article Physics, Particles & Fields

IR divergences and kinetic equation in de Sitter space. (Poincare patch; principal series)

E. T. Akhmedov

JOURNAL OF HIGH ENERGY PHYSICS (2012)

添加到收藏夹

Article Astronomy & Astrophysics

The IR stability of de Sitter QFT: physical initial conditions

Donald Marolf et al.

GENERAL RELATIVITY AND GRAVITATION (2011)

添加到收藏夹

Article Astronomy & Astrophysics

Equivalence between Euclidean and in-in formalisms in de Sitter QFT

Atsushi Higuchi et al.

PHYSICAL REVIEW D (2011)

添加到收藏夹

Article Astronomy & Astrophysics

Infrared stability of de Sitter QFT: Results at all orders

Donald Marolf et al.

PHYSICAL REVIEW D (2011)

添加到收藏夹

Article Astronomy & Astrophysics

REAL OR IMAGINARY? ON PAIR CREATION IN DE SITTER SPACE

Emil T. Akhmedov

MODERN PHYSICS LETTERS A (2010)

添加到收藏夹

Article Astronomy & Astrophysics

Infrared stability of de Sitter space: Loop corrections to scalar propagators

Donald Marolf et al.

PHYSICAL REVIEW D (2010)

添加到收藏夹

Article Astronomy & Astrophysics

Decay of the free-theory vacuum of scalar field theory in de Sitter spacetime in the interaction picture

Atsushi Higuchi

CLASSICAL AND QUANTUM GRAVITY (2009)

添加到收藏夹

Article Astronomy & Astrophysics

A conformally coupled massive scalar field in the de Sitter expanding universe with the mass term treated as a perturbation

Atsushi Higuchi et al.

CLASSICAL AND QUANTUM GRAVITY (2009)

添加到收藏夹

Article Astronomy & Astrophysics

Interacting field theories in de Sitter space are nonunitary

Emil T. Akhmedov et al.

PHYSICAL REVIEW D (2008)

添加到收藏夹

Review Physics, Multidisciplinary

The Unruh effect and its applications

Luis C. B. Crispino et al.

REVIEWS OF MODERN PHYSICS (2008)

添加到收藏夹

© Peeref 2019-2024. All rights reserved.