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Detecting Axion-Like Particles With Coiled Optical Fibers I: Silica Fibers
Gia Dvali, Sebastian Zell, Tongxuan Zhang
We propose a new approach to axion-like particle (ALP) searches based on long, coiled optical fibers in an external magnetic field. We develop the theoretical framework required to…
Removing the Cosmological Bound on the Axion Scale via Confinement During Inflation
Gia Dvali, Sophia Fitz, Lucy Komisel
We implement the scenario of early relaxation of the axion via a high scale confinement within grand unified theory and study an epoch of strong QCD in inflationary cosmolo…
Cosmological Implications of the Slingshot Effect: Gravitational Waves, Primordial Black Holes and Dark Matter
Maximilian Bachmaier, Gia Dvali, Juan Sebastián Valbuena-Bermúdez +1
In this paper, we explore the implications of the so-called slingshot effect. It represents a rather general phenomenon occurring when a localized source, such as a monopole, quark…
Cosmic strings and domain walls of the QCD quark condensate with and without a hidden axion
Gia Dvali, Lucy Komisel, Anja Stuhlfauth
The chiral quark condensate of QCD, which spontaneously breaks the anomalous axial symmetry, gives rise to axionic type global string-wall systems. If a Peccei-Quinn type axion exi…
Transitioning to Memory Burden: Detectable Small Primordial Black Holes as Dark Matter
Gia Dvali, Michael Zantedeschi, Sebastian Zell
Mounting theoretical evidence suggests that black holes are subjected to the memory burden effect, implying that after certain time the information stored in them suppresses the de…
TeV Window to Grand Unification: Higgs's Light Color Triplet Partner
Gia Dvali, Otari Sakhelashvili, Anja Stuhlfauth
The color-triplet partner of the Higgs doublet, called a -particle, is a universal feature of Grand Unification. It has been shown some time ago that this particle can be access…