Results 61 to 70 of about 823,850 (316)

Odd dimensional nonlocal Liouville conformal field theories

open access: yesJournal 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
doaj   +1 more source

BPS solitons in Lifshitz field theories

open access: yes, 2010
Lorentz-invariant scalar field theories in d+1 dimensions with second-order derivative terms are unable to support static soliton solutions that are both finite in energy and stable for d>2, a result known as Derrick's theorem.
A. M. Polyakov   +5 more
core   +1 more source

Light-front higher-spin theories in flat space [PDF]

open access: yes, 2016
We revisit the problem of interactions of higher-spin fields in flat space. We argue that all no-go theorems can be avoided by the light-cone approach, which results in more interaction vertices as compared to the usual covariant approaches.
D. Ponomarev, E. Skvortsov
semanticscholar   +1 more source

Cosmologies with Scalar Fields from Higher Dimensions Applied to Bianchi Type VIh=-1 Model: Classical and Quantum Solutions [PDF]

open access: yesAdvances in High Energy Physics, 2018
We construct an effective four-dimensional model by compactifying a ten-dimensional theory of gravity coupled with a real scalar dilaton field on a time-dependent torus.
J. Socorro, L. T. Sesma, L. O. Pimentel
semanticscholar   +1 more source

Modular Hamiltonian of the scalar in the semi infinite line: dimensional reduction for spherically symmetric regions

open access: yesJournal of High Energy Physics, 2023
We focus our attention on the one dimensional scalar theories that result from dimensionally reducing the free scalar field theory in arbitrary d dimensions.
Marina Huerta, Guido van der Velde
doaj   +1 more source

Large Spin Perturbation Theory for Conformal Field Theories. [PDF]

open access: yesPhysical Review Letters, 2016
We consider conformal field theories around points of large twist degeneracy. Examples of this are theories with weakly broken higher spin symmetry and perturbations around generalized free fields.
L. Alday
semanticscholar   +1 more source

T T ¯ $$ T\overline{T} $$ deformations in curved space from 4D Chern-Simons theory

open access: yesJournal of High Energy Physics, 2022
In this paper, we shed new light onto T T ¯ $$ T\overline{T} $$ -deformations by engineering them on 2D surface defects, supporting chiral and antichiral CFT’s, in a 4D Chern-Simons bulk. This approach is motivated by various connections between T T ¯ $$
Victor Py
doaj   +1 more source

Higher-order gravity in higher dimensions: geometrical origins of four-dimensional cosmology? [PDF]

open access: yes, 2017
Determining the cosmological field equations is still very much debated and led to a wide discussion around different theoretical proposals. A suitable conceptual scheme could be represented by gravity models that naturally generalize Einstein theory ...
A. Troisi
semanticscholar   +1 more source

Irreversibility in quantum field theories with boundaries [PDF]

open access: yesJournal of High Energy Physics, 2018
We study conformal field theories with boundaries, and their boundary renormalization group (RG) flows, using methods from quantum information theory. Positivity of the relative entropy, together with unitarity and Lorentz invariance, give rise to bounds
H. Casini, I. S. Landea, G. Torroba
semanticscholar   +1 more source

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

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