2016 - 2017 HEP Seminar Schedule |
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Date | Event Type | Speaker | Title |
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08/16/2016 | HEP Seminar | Elena Kokoulina | High multiplicity events in lepton, hadronic and nuclear interactions [ + Description ] |

09/07/2016 | HEP Seminar | Csaba Csaki | Displaced Higgs decays and flavor constraints in twin Higgs models [ + Description ] |

09/14/2016 | HEP Seminar | Rachel Rosen | On Black Holes in Massive Gravity: Exact Solutions, Horizons and the Massless Limit [ + Description ] |

09/21/2016 | HEP Seminar | Daniel Jafferis | Traversable wormholes via a double trace deformation [ + Description ] |

09/28/2016 | HEP Seminar | Marco Farina | Twin Higgs (Asymmetric) Dark Matter [ + Description ] |

10/05/2016 | HEP Seminar | Alexander Penin | High energy limit of gauge theories beyond Sudakov approximation [ + Description ] |

10/19/2016 | HEP Seminar | Matthew Reece | Exploring the Weak Gravity Conjecture [ + Description ] |

10/26/2016 | HEP Seminar | Claudio Bunster | Gravitational domain walls and the dynamics of G [ + Description ] |

11/02/2016 | HEP Seminar | Gaston Giribet | Stringy Horizons [ + Description ] |

11/09/2016 | HEP Seminar | Jnan Maharana | T-DUALITY AND SCATTERING OF STRINGY STATES [ + Description ] |

11/30/2016 | HEP Seminar | Paolo Creminelli | Relaxing the cosmological constant [ -- Description ] |

Description: We propose a technically natural scenario whereby an initially large cosmological constant (c.c.) is relaxed down to the observed value due to the dynamics of a scalar evolving on a very shallow potential. The model crucially relies on a sector that violates the null energy condition (NEC) and gets activated only when the Hubble rate becomes sufficiently small, of the order of the present one. As a result of NEC violation, this low-energy universe evolves into inflation, followed by reheating and the standard Big Bang cosmology. The symmetries of the theory force the c.c. to be the same before and after the NEC-violating phase, so that a late-time observer sees an effective c.c. of the correct magnitude. Importantly, our model allows neither for eternal inflation nor for a set of possible values of dark energy, the latter fixed by the parameters of the theory. (2:00 PM, Meyer 5th Fl. CCPP Lounge) | |||

12/06/2016 | HEP Seminar | Aaron Pierce | Pheno and Vino Seminar [ + Description ] |

12/14/2016 | HEP Seminar | Jiji Fan | Ultralight repulsive dark matter [ + Description ] |

02/01/2017 | HEP Seminar | Yonit Hochberg | New Directions in Light Dark Matter Detection [ + Description ] |

02/15/2017 | HEP Seminar | David Kutasov | TTÂ¯ Deformed CFT and Little String Theory [ + Description ] |

02/22/2017 | HEP Seminar | Hsin-Chia Cheng | Collider signals of the twin Higgs Model and its UV completion [ + Description ] |

03/01/2017 | HEP Seminar | Justin Khoury | New Approaches to Dark Matter [ + Description ] |

03/08/2017 | HEP Seminar | Rouven Essig | Direct Detection of sub-GeV Dark Matter [ + Description ] |

03/22/2017 | HEP Seminar | Leonardo Rastelli | How to succeed at holographic correlators without really trying [ + Description ] |

03/29/2017 | HEP Seminar | Raphael Bousso | Universal Bound on Communication [ + Description ] |

04/05/2017 | HEP Seminar | Eder Izaguirre | Low Energy Accelerator Probes of a Dark Sector [ + Description ] |

04/12/2017 | HEP Seminar | Andrea Tesi | Compositeness at the TeV scale [ + Description ] |

04/19/2017 | HEP Seminar | Lam Hui | Two applications of Nambu-Goldstone bosons in cosmology [ + Description ] |

04/26/2017 | HEP Seminar | Lasma Alberte | Holographic massive gravity: solids and fluids [ + Description ] |

05/03/2017 | HEP Seminar | Andrea Thamm | Collider Probes of Axion-Like Particles [ + Description ] |

05/24/2017 | HEP Seminar | Borut Bajc | The Landau pole in SO(10) GUTs [ + Description ] |