86 citations · 487 across the 19 of their papers we have counts for
19 papers
Testing high scale supersymmetry via second order gravitational waves
Marcos M. Flores, Alexander Kusenko, Lauren Pearce +2
Supersymmetry predicts multiple flat directions, some of which carry a net baryon or lepton number. Condensates in such directions form during inflation and later fragment into Q-b…
Fireball baryogenesis from early structure formation due to Yukawa forces
Marcos M. Flores, Alexander Kusenko, Lauren Pearce +1
We show that viable electroweak baryogenesis can be realized without a first-order phase transition if plasma is heated inhomogeneously by nongravitational structure formation in s…
Generating Non-topological Solitons Via Thermal Corrections: Higgs Balls
Lauren Pearce, Graham White, Alexander Kusenko
Scalar fields which carry charge can generally form non-topoligical solitons (Q-balls), if the energy in the extended configuration is less than the energy of an equivalent number…
Detectable Gravitational Wave Signals from Affleck-Dine Baryogenesis
Graham White, Lauren Pearce, Daniel Vagie +1
In Affleck-Dine baryogenesis, the observed baryon asymmetry of the Universe is generated through the evolution of the vacuum expectation value (VEV) of a scalar condensate. This sc…
Stochastic evolution of scalar fields with continuous symmetries during inflation
Peter Adshead, Lauren Pearce, Jessie Shelton +1
During inflation, scalar fields with masses less than the Hubble scale acquire vacuum expectation values (vevs) via stochastic processes driven by quantum fluctuations. For nearly…
Gravitational waves from fermion production during axion inflation
Peter Adshead, Lauren Pearce, Marco Peloso +2
We present analytic results for the gravitational wave power spectrum induced in models where the inflaton is coupled to a fermionic pseudocurrent. We show that although such a cou…
Phenomenology of fermion production during axion inflation
Peter Adshead, Lauren Pearce, Marco Peloso +2
We study the production of fermions through a derivative coupling with a pseudoscalar inflaton and the effects of the produced fermions on the scalar primordial perturbations. We p…
Relaxation leptogenesis, isocurvature perturbations, and the cosmic infrared background
Masahiro Kawasaki, Alexander Kusenko, Lauren Pearce +1
Observations of cosmic infrared background (CIB) radiation exhibit significant fluctuations on small angular scales. A number of explanations have been put forth, but there is curr…
Leptogenesis via the 750 GeV pseudoscalar
Alexander Kusenko, Lauren Pearce, Louis Yang
Recently the ATLAS and CMS collaborations have reported evidence of a diphoton excess which may be interpreted as a pseudoscalar boson S with a mass around 750 GeV. To explain the…
The phenomenology of trapped inflation
Lauren Pearce, Marco Peloso, Lorenzo Sorbo
Trapped inflation is a mechanism in which particle production from the moving inflaton is the main source of friction in the inflaton equation of motion. The produced fields source…
Baryogenesis via Elementary Goldstone Higgs Relaxation
Helene Gertov, Lauren Pearce, Francesco Sannino +1
We extend the relaxation mechanism to the Elementary Goldstone Higgs framework. Besides studying the allowed parameter space of the theory we add the minimal ingredients needed for…
Leptogenesis via Higgs Condensate Relaxation
Louis Yang, Lauren Pearce, Alexander Kusenko
An epoch of Higgs relaxation may occur in the early universe during or immediately following postinflationary reheating. It has recently been pointed out that leptogenesis may occu…
Leptogenesis Via Neutrino Production During Higgs Condensate Relaxation
Lauren Pearce, Louis Yang, Alexander Kusenko +1
During inflation, scalar fields, including the Higgs boson, may acquire a nonzero vacuum expectation value, which must later relax to the equilibrium value during reheating. In the…
Signals from dark atom formation in halos
Lauren Pearce, Kalliopi Petraki, Alexander Kusenko
We consider indirect detection signals of atomic dark matter, with a massive dark photon which mixes kinetically with hypercharge. In significant regions of parameter space, dark m…
Postinflationary Higgs relaxation and the origin of matter-antimatter asymmetry
Alexander Kusenko, Lauren Pearce, Louis Yang
The recent measurement of the Higgs boson mass implies a relatively slow rise of the Standard Model Higgs potential at large scales, and a possible second minimum at even larger sc…
Phenomenology of Supersymmetric Models with a Symmetry-Breaking Seesaw Mechanism
Lauren Pearce, Alexander Kusenko, R. D. Peccei
We explore phenomenological implications of the minimal supersymmetric standard model (MSSM) with a strong supersymmetry breaking trilinear term. Supersymmetry breaking can trigger…
Indirect Detection of Self-Interacting Asymmetric Dark Matter
Lauren Pearce, Alexander Kusenko
Self-interacting dark matter resolves the issue of cuspy profiles that appear in non-interacting cold dark matter simluations; it may additionally resolve the so-called "too big to…
Can supersymmetry breaking lead to electroweak symmetry breaking via formation of scalar bound states?
John M. Cornwall, Alexander Kusenko, Lauren Pearce +1
The recent discovery of the putative 125-GeV Higgs boson has motivated a number of attempts to reconcile its relatively large mass with the predictions of the minimal supersymmetri…
Solitosynthesis induced phase transitions
Lauren Pearce
We consider a phase transition induced by the growth of Q-balls in a false vacuum. Such a transition could occur in the early universe in the case of broken supersymmetry with a me…