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날짜 2023-12-19 16:00 
일시 Dec 19 (Tue), 4PM 
장소 E6-2, #1323 
연사 Seth Koren (University of Notre Dame) 
We are delighted to announce the upcoming High-Energy Theory Seminar by Dr. Seth Koren visiting us from University of Notre Dame.
The seminar will take place today Tuesday (Dec 19) at 4PM at E6-2, #1323 and you are all invited to participate. 
 
Speaker: Seth Koren (University of Notre Dame)
Time: December 19 (Tuesday), 4PM
Place: E6-2, #1323
 
Title: Non-invertible symmetries, leptons, quarks, and why multiple generations
 
Abstract:
Generalized global symmetries are present in theories of particle physics, and understanding their structure can give insight into these theories and UV completions thereof.  We will particularly discuss the use of non-invertible chiral symmetries in BSM model-building. The identification of a non-invertible symmetry in Z' models of L_µ - L_τ reveals the existence of non-Abelian horizontal gauge theories which naturally produce exponentially small Dirac neutrino masses. Next we will uncover a subtler non-invertible symmetry in horizontal gauge theories of the quark sector which will lead us to a massless down-type quarks solution to strong CP in color-flavor unification. Intriguingly, this symmetry is present by virtue of the SM having the same numbers of colors and generations.
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417 2024-08-16 11:00  E6 1322 (no zoom broadcasting)  Cathodoluminescence for nanophotonics: Applications to plasmonic bandgap materials and perovskite semiconductors file
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415 2022-04-28 16:00  E6 1323  (광학분야 특별세미나)Adiabaticity and symmetry in optical waveguide design
414 2022-05-26 16:00  E6 1323  (광학분야 특별세미나)Topological photonic devices
413 2022-04-14 16:00  E6 1323  (광학분야 특별세미나)Holographic tomography of dielectric tensors at optical frequency
412 2023-02-28 11:00  E6 Room(#1322)  Topotactic redox engineering toward novel material file
411 2022-06-23 11:00  E6 Room(#1322)  JILA’s search for the electron’s Electric Dipole Moment (eEDM) to probe physics beyond the standard model file
410 2018-11-22 15:00  E6 Room(#1323)  Experimental and Computational Study on Physical Properties based on Granular System file
409 2019-08-06 16:00  E6 Room(#1323)  Visualization of in-plane piezoresponse vector fields file
408 2019-08-16 14:00  E6 Room(#1323)  Multiferroic and Magnetoelectric Effects by Tailoring Interfacial Chemistry and Physics in Correlated Oxides file
407 2019-05-08 16:00  E6 Room(#1323)  Imaging valley dependent electron transport in 2D semiconductors file
406 2019-08-01 14:00  E6 Room(#1323)  Low-density Superconductivity in SrTiO3 Probed by Planar Tunneling Spectroscopy file
405 2022-05-25 14:00  E6 Room(#2501)  Atomic-level insights into ferroelectric switching and preferred orientation of ultrathin hafnia file
404 2019-07-08 14:00  E6, #1322  Ultrabroadband squeezed pulses and their relation to relativity file
403 2024-02-16 10:00  E6, #1323  Optical conductivity of superconducting states driven by Van Hove singularities
402 2023-07-10 16:00  E6, #1323  Electronic structures of magnetic and non-magnetic ordering in d- and f-electrons systems
401 2022-03-21 16:00  E6, #1501  Multi-wavelength Studies on Relativistic Jets from Gamma-ray Bright Active Galactic Nuclei
400 2022-05-23 16:00  E6, #1501  Novel electronic transport in topological van der Waals magnets