Results 21 to 30 of about 2,711,229 (177)

Private life of the Liouville field that causes new anomalies in the Nambu-Goto string [PDF]

open access: yes, 2021
I consider higher-order terms of the Seeley expansion of the heat kernel, which for smooth metrics are suppressed as inverse powers of the UV cutoff $\Lambda$, and demonstrate how they result in an anomalous contribution to the string effective action after doing uncertainties $\Lambda^{-2}\times \Lambda^2$.
arxiv   +1 more source

Vertical ambush corridors: Intriguing multi‐mechanism ecological structures embedded in the kinetic fluid architectures of ocean living resource production systems

open access: yesFish and Fisheries, Volume 24, Issue 1, Page 3-20, January 2023., 2023
Abstract The concept of a ‘vertical ambush corridor’ is herein introduced to marine ecosystem science. In the open ocean, adequate physical cover from which to launch an unanticipated ambush attack is generally lacking. An available alternative is for a predator to channel its attack vertically upward from below, rendering an unlighted approaching ...
Andrew Bakun
wiley   +1 more source

Relativistic hydrodynamics with the parity anomaly

open access: yesJournal of High Energy Physics, 2022
We consider the hydrodynamic regime of a 2+1 dimensions QFT with the parity anomaly. Beyond the known constraints from positivity of entropy production, we show that the anomaly inflow mechanism, from a corresponding bulk SPT phase, together with ...
Napat Poovuttikul
doaj   +1 more source

Boundary conformal anomalies on hyperbolic spaces and Euclidean balls

open access: yesJournal of High Energy Physics, 2017
We compute conformal anomalies for conformal field theories with free conformal scalars and massless spin 1/2 fields in hyperbolic space ℍ d and in the ball Bd $$ {\mathbb{B}}^d $$, for 2≤d≤7. These spaces are related by a conformal transformation.
Diego Rodriguez-Gomez, Jorge G. Russo
doaj   +1 more source

Non-Abelian anomalous (super)fluids in thermal equilibrium from differential geometry

open access: yesJournal of High Energy Physics, 2018
We apply differential geometry methods to the computation of the anomaly-induced hydrodynamic equilibrium partition function. Implementing the imaginary-time prescription on the Chern-Simons effective action on a stationary background, we obtain general ...
Juan L. Mañes   +3 more
doaj   +1 more source

Graviton scattering and a sum rule for the c anomaly in 4D CFT

open access: yesJournal of High Energy Physics, 2018
4D CFTs have a scale anomaly characterized by the coefficient c, which appears as the coefficient of logarithmic terms in momentum space correlation functions of the energy-momentum tensor.
Marc Gillioz   +2 more
doaj   +1 more source

Toric 2-group anomalies via cobordism

open access: yesJournal of High Energy Physics, 2023
2-group symmetries arise in physics when a 0-form symmetry G [0] and a 1-form symmetry H [1] intertwine, forming a generalised group-like structure. Specialising to the case where both G [0] and H [1] are compact, connected, abelian groups (i.e.
Joe Davighi   +2 more
doaj   +1 more source

’t Hooft anomalies and boundaries

open access: yesJournal of High Energy Physics, 2018
We argue that there is an obstruction to placing theories with ’t Hooft anomalies on manifolds with a boundary, unless the symmetry associated with the anomaly can be represented as a non-invariance under an Abelian transformation.
Kristan Jensen   +2 more
doaj   +1 more source

Chiral anomalous dispersion

open access: yesJournal of High Energy Physics, 2018
The linearized Einstein equation describing graviton propagation through a chiral medium appears to be helicity dependent. We analyze features of the corresponding spectrum in a collision-less regime above a flat background. In the long wave-length limit,
Andrey Sadofyev, Srimoyee Sen
doaj   +1 more source

Anomaly interplay in U(2) gauge theories

open access: yesJournal of High Energy Physics, 2020
We discuss anomaly cancellation in U(2) gauge theories in four dimensions. For a U(2) gauge theory defined with a spin structure, the vanishing of the bordism group Ω 5 Spin $$ {\Omega}_5^{\mathrm{Spin}} $$ (BU(2)) implies that there can be no global ...
Joe Davighi, Nakarin Lohitsiri
doaj   +1 more source

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