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Cambridge High Energy Workshop 2022 - Phase Transitions and Topological Defects in the Early Universe

2–5 Aug 2022
Center of Mathematical Sciences and Applications (CMSA), Harvard University
America/New_York timezone

Contacts

Session

BSM

4 Aug 2022, 09:30
Center of Mathematical Sciences and Applications (CMSA), Harvard University

Center of Mathematical Sciences and Applications (CMSA), Harvard University

20 Garden Street Cambridge, MA 02138

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  1. 20. A New Approach to Electroweak Symmetry Non-Restoration
    Yikun Wang (Caltech)
    04/08/2022, 09:30

    Electroweak symmetry non-restoration up to high temperatures well above the electroweak scale has intriguing implications for (electroweak) baryogenesis and early universe thermal histories. In this talk, I will discuss such a possible fate of the electroweak symmetry in the early universe and a new approach to realize it, via an inert Higgs sector that couples to the Standard Model Higgs as...

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  2. 21. Probing primordial fluctuations through stochastic gravitational wave background anisotropies
    Soubhik Kumar (Berkeley U.)
    04/08/2022, 10:00

    Stochastic gravitational wave backgrounds are expected to be anisotropic. While such anisotropies can be of astrophysical origin, a cosmological component of such anisotropies can carry rich information about primordial perturbations. Focusing on the case of a cosmological phase transition, I will talk about how such anisotropies can give us a powerful probe of primordial non-Gaussianities,...

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  3. 22. Dark Matter Freeze-out during SU(2)_L Confinement
    Jessica Howard (UC Irvine)
    04/08/2022, 10:30

    We explore the possibility that dark matter is a pair of SU(2)_L doublets and propose a novel mechanism of dark matter production that proceeds through the confinement of the weak sector of the Standard Model. This phase of confinement causes the Standard Model doublets and dark matter to confine into pion-like objects. Before the weak sector deconfines, the dark pions freezeout and generate a...

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  4. 23. Quantum Matter Adventure to Beyond the Standard Model Prediction
    Juven Wang (Harvard U.)
    04/08/2022, 11:00

    Ideas developed from the quantum matter and quantum field theory frontier may guide us to explore new physics beyond the 4d Standard Model. I propose a few such ideas. First, new physics for neutrinos: right-handed neutrinos carry a Z_{16} class mixed gauge-gravitational global anomaly index, which could be replaced by 4d or 5d topological quantum field theory, or 4d interacting conformal...

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