, Grad Pheno Journal Club (2:00 PM - 3:00 PM)

Amara McCune, An Effective Cosmological Collider (3:00 PM - 4:15 PM)

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Mauro Pieroni, Testing fundamental physics with gravitational waves (2:00 PM - 3:00 PM)

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Daniel Kapec, Soft Particles and the Geometry of the Space of Celestial CFTs (2:00 PM - 3:00 PM)

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Zare (3:30 PM - 5:30 PM)

, Grad Pheno Journal Club (2:00 PM - 3:00 PM)

, No Astro Seminar (2:00 PM - 3:15 PM)

Matt Reece, Axions in quantum field theory and quantum gravity (2:00 PM - 3:00 PM)

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, Cosmic Happy Hour (8:00 PM - 9:00 PM)

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Ned Wingreen, Capillary Attraction Underlies Bacterial Collective Dynamics (4:00 PM - 5:30 PM)

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, Grad Pheno Journal Club (2:00 PM - 3:00 PM)

Magdalena Siwek, Orbital Evolution of Binaries in Circumbinary Disks (2:00 PM - 3:15 PM)

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, HEP Journal Club (12:30 PM - 1:30 PM)

David B Kaplan, Topological materials and relativistic fermions (2:00 PM - 3:15 PM)

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Satya Gontcho A Gontcho, Dark Energy Spectroscopic Instrument: overview and early results (12:30 PM - 1:15 PM)

Kathryn Moler, Unquantized Vortices in Superconductors (4:00 PM - 5:15 PM)

Zare (3:30 PM - 5:30 PM)

, Grad Pheno Journal Club (2:00 PM - 3:00 PM)

Sultan Hassan, Extracting All Information From Future Surveys (2:00 PM - 3:15 PM)

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Maya Fishbach, Astrophysical Lessons from LIGO-Virgo-KAGRA's Black Holes (2:00 PM - 3:00 PM)

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Soubhik Koumar, Hotspots on the Cosmic Microwave Background: Origin and Searches (2:00 PM - 3:00 PM)

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Ekapob Kulchoakrungsun, Investigating Gravitational Effects on Large and Small-Scale Structures of the Universe (1:00 PM - 3:00 PM)

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Fred MacKintosh, Mechanical Phase Transitions and Elastic Anomalies in Fibrous Networks (4:00 PM - 5:15 PM)

-- Abstract: The mechanics of cells and issues are largely governed by scaffolds of filamentous proteins. Particularly common examples of these are the collagen fiber networks of extracellular matrices. There is now increasing evidence that the mechanics of such fibrous structures are governed by underlying mechanical phase transitions reminiscent of the rigidity transition identified by Maxwell for macroscopic engineering structures: networks of struts or springs exhibit a continuous, second-order phase transition at the isostatic point, where the number of constraints imposed by connectivity just equals the number of mechanical degrees of freedom. By contrast, fibrous networks in 3D exhibit a line of critical transitions as a function of strain rather than connectivity. These transitions have shown remarkable richness, including non- mean-field critical behavior. We will present recent theoretical predictions and experimental evidence for such strain-controlled mechanical phase transitions in biopolymer networks, as well as some of the elastic signatures and anomalies such as unexpectedly large Poisson ratios and inverse Poynting effect governed by these transitions.

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Zare (3:30 PM - 5:30 PM)

Simeon Hellerman, Conformal field theory at large fermion charge (4:00 PM - 5:30 PM)

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