Results 31 to 40 of about 115,239,083 (281)
On the stress tensor of conformal field theories in higher dimensions
Nuclear Physics B, 1989 Abstract The behaviour of the stress tensor under conformal transformations of both flat and curved spaces is investigated for free theories in a classical background metric. In flat space ℝ d it is derived by the operator product expansion of two stress tensors.
Andrea Cappelli, Antoine Coste
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An inverse mass expansion for the mutual information in free scalar QFT at finite temperature
Journal of High Energy Physics, 2020 We study the entanglement entropy and the mutual information in coupled harmonic systems at finite temperature. Interestingly, we find that the mutual information does not vanish at infinite temperature, but it rather reaches a specific finite value ...
Dimitrios Katsinis, Georgios Pastras
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Light scalars on cosmological backgrounds
Journal of High Energy Physics, 2018 We study the behaviour of a light quartically self-interacting scalar field ϕ on curved backgrounds that may be described with the cosmological equation state parameter w.
Tommi Markkanen
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The 1-loop effective potential for the Standard Model in curved spacetime
Journal of High Energy Physics, 2018 The renormalisation group improved Standard Model effective potential in an arbitrary curved spacetime is computed to one loop order in perturbation theory.
Tommi Markkanen +3 more
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Vertex Algebras in Higher Dimensions and Globally Conformal Invariant Quantum Field Theory [PDF]
Communications in Mathematical Physics, 2004 We propose an extension of the definition of vertex algebras in arbitrary space-time dimensions together with their basic structure theory. An one-to-one correspondence between these vertex algebras and axiomatic quantum field theory (QFT) with global conformal invariance (GCI) is constructed.
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Proof of dispersion relations for the amplitude in theories with a compactified space dimension
Journal of High Energy Physics, 2020 The analyticity properties of the scattering amplitude in the nonforward direction are investigated for a field theory in the manifold R 3,1 ⨂ S 1.
Jnanadeva Maharana
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Global anomalies in 8d supergravity
Journal of High Energy Physics, 2022 We study gauge and gravitational anomalies of fermions and 2-form fields on eight-dimensional spin manifolds. Possible global gauge anomalies are classified by spin bordism groups Ω 9 spin BG $$ {\varOmega}_9^{\mathrm{spin}}(BG) $$ which we determine by ...
Yasunori Lee, Kazuya Yonekura
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Bosonization in Higher Dimensions via Noncommutative Field Theory
Physical Review Letters, 2006 We propose the bosonization of a many-body fermion theory in D spatial dimensions through a noncommutative field theory on a (2D-1)-dimensional space. This theory leads to a chiral current algebra over the noncommutative space and reproduces the correct perturbative Hilbert space and excitation energies for the fermions.
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Odd dimensional nonlocal Liouville conformal field theories
Journal of High Energy Physics, 2022 We construct Euclidean Liouville conformal field theories in odd number of dimensions. The theories are nonlocal and non-unitary with a log-correlated Liouville field, a Q $$ \mathcal{Q} $$ -curvature background, and an exponential Liouville-type ...
Amitay C. Kislev, Tom Levy, Yaron Oz
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Constraining conformal field theory with higher spin symmetry in four dimensions [PDF]
Nuclear Physics B, 2013 We analyze the constraints on the general form and the singularity structure of the correlation functions of the symmetric, traceless and conserved stress-energy tensor implied by conformal invariance and higher spin symmetry in four dimensions. In particular, we show that all these correlation functions will have at most double pole singularities.
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