Results 11 to 20 of about 39,384 (246)

Gauge origin of discrete flavor symmetries in heterotic orbifolds

open access: yesPhysics Letters B, 2014
We show that non-Abelian discrete symmetries in orbifold string models have a gauge origin. This can be understood when looking at the vicinity of a symmetry enhanced point in moduli space.
Florian Beye   +2 more
doaj   +1 more source

The effect of increasing heel height on lower limb symmetry during the back squat in trained and novice lifters

open access: yesBMC Sports Science, Medicine and Rehabilitation, 2020
Background Symmetry during lifting is considered critical for allowing balanced power production and avoidance of injury. This investigation assessed the influence of elevating the heels on bilateral lower limb symmetry during loaded (50% of body weight)
Mark G. L. Sayers   +5 more
doaj   +1 more source

Discrete Lorentz symmetry and discrete time translational symmetry

open access: yesNew Journal of Physics, 2018
The Lorentz symmetry and the space and time translational symmetry are fundamental symmetries of nature. Crystals are the manifestation of the continuous space translational symmetry being spontaneously broken into a discrete one.
Pei Wang
doaj   +1 more source

Linking entanglement and discrete anomaly

open access: yesJournal of High Energy Physics, 2018
In 3d Chern-Simons theory, there is a discrete one-form symmetry, whose symmetry group is isomorphic to the center of the gauge group. We study the ‘t Hooft anomaly associated to this discrete one-form symmetry in theories with generic gauge groups, A, B,
Ling-Yan Hung, Yong-Shi Wu, Yang Zhou
doaj   +1 more source

Accidental Peccei–Quinn symmetry from discrete flavour symmetry and Pati–Salam

open access: yesPhysics Letters B, 2018
We show how an accidental U(1) Peccei–Quinn (PQ) symmetry can arise from a discrete A4 family symmetry combined with a discrete flavour symmetry Z3×Z52, in a realistic Pati–Salam unified theory of flavour. Imposing only these discrete flavour symmetries,
Fredrik Björkeroth   +2 more
doaj   +1 more source

Dai-Freed anomaly in the standard model and topological inflation

open access: yesJournal of High Energy Physics, 2023
When we impose discrete symmetries in the standard model we have Dai-Freed global anomalies. However, interestingly if we introduce three right-handed neutrinos we can have an anomaly-free discrete Z 4 gauge symmetry.
Masahiro Kawasaki, Tsutomu T. Yanagida
doaj   +1 more source

Scotogenic A5 → A4 Dirac neutrinos with freeze-in dark matter

open access: yesPhysics Letters B, 2022
Radiative Dirac neutrino masses and their mixing are linked to dark matter through the non-Abelian discrete symmetry A5 of the 4-dimensional pentatope, softly broken to A4 of the 3-dimensional tetrahedron.
Ernest Ma
doaj   +1 more source

Anomalous discrete flavor symmetry and domain wall problem

open access: yesPhysics Letters B, 2019
Discrete flavor symmetry is often introduced for explaining quark/lepton masses and mixings. However, its spontaneous breaking leads to the appearance of domain walls, which is problematic for cosmology. We consider a possibility that the discrete flavor
So Chigusa, Kazunori Nakayama
doaj   +1 more source

The discrete Burgers equation

open access: yesPartial Differential Equations in Applied Mathematics, 2022
In this paper I give a short review on the continuous, semi-discrete and discrete Burgers equations, which are featured as integrable equations that are linearisable.
Da-jun Zhang
doaj   +1 more source

Anomaly matching in the symmetry broken phase: Domain walls, CPT, and the Smith isomorphism

open access: yesSciPost Physics, 2020
Symmetries in Quantum Field Theory may have 't Hooft anomalies. If the symmetry is unbroken in the vacuum, the anomaly implies a nontrivial low-energy limit, such as gapless modes or a topological field theory. If the symmetry is spontaneously broken,
Itamar Hason, Zohar Komargodski, Ryan Thorngren
doaj   +1 more source

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