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<일시> 2026년 9월 16일(수) 16시 30분

<장소> 제2물리관 106호

<연사 > 심준섭 교수님(부산대학교 지구과학교육과)

<연제> Probing parity symmetry in the early Universe

<초록> Parity symmetry is a fundamental principle in physics, making its violation a key indicator of new physics beyond the standard models. Recent studies have reported 3–7σ indications of parity-violating signatures in the large-scale distribution of galaxies, sparking growing interest in testing parity symmetry in the early Universe. While most existing searches rely on scalar observables, I will show how non-scalar observables in the large-scale structure (LSS) of the Universe provide a complementary and potentially more direct way to test primordial parity symmetry. In this talk, I will introduce parity-sensitive probes based on galaxy spins and galaxy shapes, discuss their observational prospects, and conclude with future opportunities from ongoing/upcoming galaxy surveys.