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Events on Friday, February 21st, 2025

Climate & Diversity
Antisemitism, Democracy, and the Struggle for an Inclusive and Resilient America
Time: 9:00 am - 10:30 am
Place: All Sessions 9-10:30am in Chamberlin 5310 & Zoom
Speaker: 2024 Diversity Forum
Abstract: For over 20 years, UW–Madison has hosted the annual Diversity Forum for participants to engage in discourse and education on contemporary issues related to creating equitable and inclusive learning and working environments.
2024 Theme: Threads of Belonging: Navigating Differences and Building Community

A healthy democracy requires that we stand against hate and extremism. Antisemitism does not only threaten the Jewish community – it jeopardizes the rights and safety of countless other communities as well as our fundamental democratic norms and values. At this critical moment for democracy and our country, this moderated panel conversation will explore the inextricable link between Jewish safety, our democratic freedoms, and the resilience of our interconnected communities.
Host: Rachel Zizmann
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Physics Department Colloquium
Path to Scale QCCD Architecture for Trapped Ion Quantum Computers
Time: 3:30 pm - 5:00 pm
Place: Discovery Building, DeLuca Forum
Speaker: Patty Lee, Quantinuum
Abstract:

The quantum charge-coupled device(QCCD) architecture enables trapped ion systems to scale up to a large number of qubits while maintaining high-fidelity operations in the physical layer. Recent key demonstrations, such as quantum supremacy with random circuit sampling, fidelity improvement with encoded qubits, and digital quantum simulation of non-Abelian topological order, underscore the computational capabilities of Quantinuum's H2 system, currently operating with 56 qubits. Along with advancements in ion trap microfabrication, transport control, and integrated photonics, these demonstrations establish a robust foundation for achieving quantum advantage and fault-tolerant quantum computing.

This event starts at 3:30pm with refreshments, followed at 3:45pm by a short presentation titled "Cross Resonant CNOT Gates in Hybrid Fluxonium-Transmon Systems", by Nick Dimitrov (Vavilov group). The invited presentation starts at 4pm.

Host: Mark Saffman
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