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X-ORIGINAL-URL:https://web-f1.ijs.si
X-WR-CALDESC:Events for Department of Theoretical Physics
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DTSTART:20250330T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20251204T140000
DTEND;TZID=Europe/Ljubljana:20251204T150000
DTSTAMP:20260604T113553
CREATED:20251103T092730Z
LAST-MODIFIED:20251204T133407Z
UID:77684-1764856800-1764860400@web-f1.ijs.si
SUMMARY:Jan Rozman\, "Multi-Phase Field Tissue Modelling: Fluidisation\, Internal Dissipation\, and Hole Formation"
DESCRIPTION:https://indico.ijs.si/event/3288/
URL:https://web-f1.ijs.si/event/jan-rozman-tba-3/
LOCATION:C/2-X – F1 čajnica (Jamova)
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20251211T110000
DTEND;TZID=Europe/Ljubljana:20251211T120000
DTSTAMP:20260604T113553
CREATED:20250918T112754Z
LAST-MODIFIED:20251211T104310Z
UID:73033-1765450800-1765454400@web-f1.ijs.si
SUMMARY:Anders Eller Thomsen: Functional EFT Methods: New Developments and the Matchete Tool
DESCRIPTION:With the absence of new resonance discoveries at the LHC\, the role of Effective Field Theories (EFTs) in Beyond the Standard Model (BSM) physics has become increasingly crucial. EFTs serve as indispensable tools in precision physics\, offering the potential to reveal indirect evidence of new phenomena. Matching calculations can bridge the gap between underlying theories and EFTs and should ideally be performed at the loop level to include all relevant effects. In this talk\, I will discuss functional methods as an avenue to perform cutting-edge matching and RG calculations. From a practical perspective these methods form the foundation of the public automated matching tool Matchete\, and I will outline some of its core functionality.\nhttps://indico.ijs.si/event/3080/
URL:https://web-f1.ijs.si/event/anders-eller-thomsen/
LOCATION:A/1-106 – Seminarska soba fizike (F5)
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20251212T110000
DTEND;TZID=Europe/Ljubljana:20251212T120000
DTSTAMP:20260604T113553
CREATED:20251106T144334Z
LAST-MODIFIED:20251212T101351Z
UID:78028-1765537200-1765540800@web-f1.ijs.si
SUMMARY:Kristjan Muursepp: Baryogenesis from bubble collisions
DESCRIPTION:In this talk I will consider models connecting baryogenesis with first order phase transition. In particular\, I will elaborate on scenarios where the required amount of CP-violation originates from the production of heavy particles after scalar shells interpolating between true and false vacuum collide. I will focus on the case when both heavy particles are produced on-shell as well as the opposite regime when one of the heavy particles is produced off-shell\, subsequently decaying to light Standard Model states. I will elaborate on the phenomenological implications of both scenarios.\nhttps://indico.ijs.si/event/3291/
URL:https://web-f1.ijs.si/event/kristjan-muursepp-baryogenesis-from-bubble-collisions/
LOCATION:F1 tea room
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20251218T104500
DTEND;TZID=Europe/Ljubljana:20251218T114500
DTSTAMP:20260604T113553
CREATED:20251211T131351Z
LAST-MODIFIED:20251218T101826Z
UID:81389-1766054700-1766058300@web-f1.ijs.si
SUMMARY:Dominik Haslehner: Running Field-Space Curvature from Quantum Corrections
DESCRIPTION:We present a systematic study of one-loop quantum corrections in scalar effective field theories from a geometric viewpoint\, emphasizing the role of field-space curvature and its renormalisation. By treating the scalar fields as coordinates on a Riemannian manifold\, we exploit field redefinition invariance to maintain manifest coordinate independence of physical observables. Focusing on the non-linear sigma model (NLSM) and (phi^4) theory\, we demonstrate how loop corrections induce momentum- and scale-dependent shifts in the curvature of the field-space manifold. These corrections can be elegantly captured through the recently proposed geometry-kinematics duality\, which generalizes the colour-kinematics duality in gauge theories to curved field-space backgrounds. Our results highlight a universal structure emerging in the contractions of Riemann tensors that contribute to renormalisation of the field-space curvature. In particular\, we find explicit expressions and a universal structure for the running curvature and Ricci scalar in simple models\, illustrating how quantum effects reshape the underlying geometry. This geometric formulation unifies a broad class of scalar EFTs\, providing insight into the interplay of curvature\, scattering amplitudes\, and renormalisation.\nhttps://indico.ijs.si/event/3439/
URL:https://web-f1.ijs.si/event/dominik-haslehner/
LOCATION:F1 tea room
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