False vacuum decay: an introductory review

Devoto, Federica; Devoto, Simone; Luzio, Luca Di; Ridolfi, Giovanni

doi:10.1088/1361-6471/ac7f24

Cited by 12 publications

(4 citation statements)

References 93 publications

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“…In this case, tunneling is not a single-particle process but rather a many-body one, which, in the field theory language, corresponds to the macroscopic tunneling of the field through the ferromagnetic energy barrier. This is expected to manifest through the stochastic formation of bubbles of true vacuum inside the false vacuum background [42]. This theory of false vacuum decay (FVD) was introduced in the context of quantum field theory [39,40] and applied to cosmological problems, but had no experimental verification so far because of the extreme energy scales and the lack of tunable parameters to investigate.…”

Section: Elementary Excitations -(Mixmentioning

confidence: 99%

Ultracold atomic spin mixtures in ultrastable magnetic field environments

Cominotti,

Rogora,

Zenesini

et al. 2024

EPL

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Ultracold atomic spin mixtures develop rich and intriguing magnetic properties when external radiation coherently couples different spin states. In particular, the coupled mixture may acquire a critical behavior when the spin interactions equal the coupling energy. However, atomic mixtures generally feature a relatively high sensitivity to magnetic fields that can set a limitation to the observable phenomena.In this article, we present an overview of experimental studies of magnetism based on superfluid multicomponent gases in an ultrastable magnetic field environment, which recently became available.

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Section: Elementary Excitations -(Mixmentioning

confidence: 99%

Ultracold atomic spin mixtures in ultrastable magnetic field environments

Cominotti,

Rogora,

Zenesini

et al. 2024

EPL

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“…(see the note on Gaussian integrals above). As this expression only depends on ¯ , in principle our task is simple: just find the solution(s) to the classical equations of motion and substitute them back into (46) to find the free energy and related quantities. Let us do that and then consider how to relate our findings to the false vacuum decay rate.…”

Section: Pos(tasi2022)003mentioning

confidence: 99%

TASI lectures on Phase Transitions, Baryogenesis, and Gravitational Waves

Croon

2024

Proceedings of 2022 Theoretical Advanced Study Institute in Particle Theory — PoS(TASI2022)

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TASI summer school, give an introductory overview of first-order phase transitions in the early Universe, baryogenesis, and the resulting gravitational wave phenomenology. We introduce thermal field theory via the imaginary time formalism, and comment on the pitfalls of 1-loop calculations and alternative approaches. Then, we discuss how to calculate the false vacuum decay rate in first order phase transitions, of which we give various examples in theories beyond the Standard Model. Baryogenesis is presented via the Sakharov conditions, and how they are met in important classes of examples. Finally, we explore gravitational waves from the early Universe, first reviewing the basics of gravitational wave generation and then focusing on the specific example of first order phase transitions.

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“…La storia di un verbo come danteggiare, ad esempio, sebbene di facile interpretazione formale (da Dante con -eggiare), appare per molti aspetti inesplorata. Secondo il GRADIT e lo Zingarelli (2024) (forse anche per il Devoto-Oli [2023], che indica genericamente «XVII sec.») la prima attestazione della voce risale al 1655, anno di pubblicazione del volume Il torto e il diritto del non si può di Daniello Bartoli: non è un caso, del resto, che un passo dell'opera compaia come primo esempio della voce nel GDLI. Qui l'autore si scaglia, con pungente ironia, contro il gusto arcaicizzante incarnato dalla Crusca, divenuto imperante ai suoi tempi: qualunque sia il genere del componimento in che scrivono, in tutti parlano una medesima lingua, e così in una lettera famigliare, come in un panegirico, in un'affetto [sic] di spirito come in una profana descrittione, vogliono Danteggiare 9 .…”

Section: Alle Origini Della Voce Danteggiareunclassified

Per Una Breve Storia Lessicografica Del Verbo Deonimico Danteggiare

Nichil

2024

ILD

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La suffissazione con -eggiare e -izzare è uno dei principali meccanismi per la formazione di verbi a partire da nomi propri in italiano. In questo intervento, in particolare, si ricostruisce l’origine del verbo danteggiare, attestata già dalla fine del Cinquecento (la prima attestazione finora nota era del 1655) e il suo uso nella lessicografia dal Settecento ad oggi; del verbo sono affrontati aspetti ancora non del tutto chiari, dalla semantica a un conflitto di attribuzione che riguarda, tra gli altri, Ugo Foscolo. For a brief lexicographic history of the deonimic verb danteggiare Suffixation with -eggiare and -izzare is one of the main mechanisms for the formation of verbs from proper nouns in Italian. This paper, in particular, reconstructs the origin of the verb danteggiare, attested as early as the end of the 16th century (the first attestation so far known was in 1655) and its use in lexicography from the 18th century to the present; aspects of the verb that are still not entirely clear are addressed, from semantics to a problem of attribution involving, among others, Ugo Foscolo.

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False vacuum decay: an introductory review

Cited by 12 publications

References 93 publications

Ultracold atomic spin mixtures in ultrastable magnetic field environments

Ultracold atomic spin mixtures in ultrastable magnetic field environments

TASI lectures on Phase Transitions, Baryogenesis, and Gravitational Waves

Per Una Breve Storia Lessicografica Del Verbo Deonimico Danteggiare

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