Samhain agus Science 2023: Darkness Falls Cosmological Tension Rises Old &New Dark Energy Mysteries @DIASDublin

Uploaded November 2023 | Updated September 2026, 2 weeks ago

Samhain agus Science 2023 event presented by Dr Yasaman Yazdi, DIAS.

Samhain agus Science 2023: Darkness Falls Cosmological Tension Rises Old &New Dark Energy Mysteries

2025-10-30 - Solar Fireworks: The Sun Unleashed

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Universal Electromagnetic Properties of Strongly-coupled Electron-phonon Superconductors

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Confinement and Deconfinement in Gauge Theories : A Quantum Field Theory

$Maxwell Theory of Fractons Speaker: Erica Bertolini (DIAS) Abstract: In this talk I will show that the main properties of the fracton quasiparticles can be derived from a generalized covariant Maxwell-like action. Starting from a rank-2 symmetric tensor field, a partially symmetric rank-3 tensor field strength can be built, which obeys a kind of Bianchi identity. The most general action invariant under the covariant fracton? transformation consists of two independent terms: one describing Linearized Gravity (LG) and the other referable to fractons, a proof of the always suspected relation between fractons and gravitons. I will also discuss that, as claimed in the Literature, the fracton part can be reconduced to a generalized Maxwell theory. In particular, in the covariant generalization of the fracton theory, the equations describing the fracton limited mobility, i.e. the charge and dipole conservation, are not external constraints, but rather consequences of the field equations of motion, hence of the invariant action and, ultimately, of the fracton covariant symmetry. I will also discuss boundary effects related to this fracton model.$

Non-Linear Dynamics of Frustrated Magnets

Dublin Institute for Advanced Studies DIAS |

Samhain agus Science 2023: Darkness Falls Cosmological Tension Rises Old &New Dark Energy Mysteries