Search Results for author: Paul M. Saffin

Found 2 papers, 1 papers with code

Charge-Swapping Q-balls and Their Lifetimes

no code implementations18 Jan 2021 Qi-Xin Xie, Paul M. Saffin, Shuang-Yong Zhou

For scalar theories accommodating spherically symmetric Q-balls, there are also towers of quasi-stable composite Q-balls, called charge swapping Q-balls (CSQs).

High Energy Physics - Theory

Gravitational Waves from Oscillon Preheating

1 code implementation22 Apr 2013 Shuang-Yong Zhou, Edmund J. Copeland, Richard Easther, Hal Finkel, Zong-Gang Mou, Paul M. Saffin

However, a significant stochastic gravitational wave background may be generated during preheating itself (i. e, when oscillons are forming), and in this case the characteristic size of the oscillons is imprinted on the gravitational wave power spectrum, which has multiple, distinct peaks.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology High Energy Physics - Theory

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