Results 41 to 50 of about 885,594 (333)
A spin-statistics theorem for quantum fields on curved spacetime manifolds in a generally covariant framework [PDF]
, 2001 A model-independent, locally generally covariant formulation of quantum field theory over four-dimensional, globally hyperbolic spacetimes will be given which generalizes similar, previous approaches.
Verch, Rainer
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Field Redefinition Invariance in Quantum Field Theory [PDF]
, 2000 The issue of field redefinition invariance of path integrals in quantum field theory is reexamined. A ``paradox'' is presented involving the reduction to an effective quantum-mechanical theory of a $(d+1)$-dimensional free scalar field in a Minkowskian ...
Charap J. +4 more
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Out-of-horizon correlations following a quench in a relativistic quantum field theory
Journal of High Energy Physics, 2020 One of the manifestations of relativistic invariance in non-equilibrium quantum field theory is the “horizon effect” a.k.a. light-cone spreading of correlations: starting from an initially short-range correlated state, measurements of two observers at ...
I. Kukuljan, S. Sotiriadis, G. Takács
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Quantum Field Perturbation Theory Revisited [PDF]
, 2016 Schwinger's formalism in quantum field theory can be easily implemented in the case of scalar theories in $D$ dimension with exponential interactions, such as $\mu^D\exp(\alpha\phi)$. In particular, we use the relation $$ \exp\big(\alpha{\delta\over \
Matone, Marco
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Phase transition and piezoelectric property of (Ag,K)NbO3 ceramics
Journal of Materiomics, 2022 AgNbO3 is an antiferroelectric (AFE) material with double hysteresis loop. Both the antiferroelectricity and ferroelectricity can be enhanced by doping.
Lin Chen +5 more
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Finslerian quantum field theory [PDF]
Nonlinear Analysis: Theory, Methods & Applications, 2005 Invited plenary lecture at the Fourth World Congress of Nonlinear Analysts in the session: Applications of Finsler Differential Geometry (in Engineering, Physics and Biology), July 5, 2004, Orlando ...
openaire +2 more sources
Quantum field theory in (0 + 1) dimensions [PDF]
, 2007 We show that many of the key ideas of quantum field theory can be illustrated simply and straightforwardly by using toy models in (0 + 1) dimensions.
Boozer, A. D.
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On Bethe vectors in gl3 $$ \mathfrak{g}{\mathfrak{l}}_3 $$-invariant integrable models
Journal of High Energy Physics, 2018 We consider quantum integrable models solvable by the nested algebraic Bethe ansatz and possessing gl3 $$ \mathfrak{g}{\mathfrak{l}}_3 $$-invariant R-matrix.
A. Liashyk, N. A. Slavnov
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Running of effective dimension and cosmological entropy in early universe
European Physical Journal C: Particles and Fields, 2020 In this paper, we suggest that the early universe starts from a high-energetic state with a two dimensional description and the state recovers to be four dimensional when the universe evolves into the radiation dominated phase.
Yong Xiao
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Survey of mathematical foundations of QFT and perturbative string theory [PDF]
, 2011 Recent years have seen noteworthy progress in the mathematical formulation of quantum field theory and perturbative string theory. We give a brief survey of these developments.
Sati, Hisham, Schreiber, Urs
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