Past Events

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We explore ionization processes ranging from the single photon x-ray and ultraviolet limit to the opposite adiabatic infrared limit where large numbers of photons are required for ionization. The breakdown of perturbation theory and key aspects of the non-perturbative theory will be discussed. 

Come join a history of science themed trivia game and win a fun JILA-themed prize!

Kinetic and Two-Temperature Plasma Physics of Black Hole Accretion Disks and X-ray Coronae

A key goal in modern quantum science is to harness the complex behavior of quantum systems to develop new technologies. While precisely engineered platforms featuring ultracold atoms and trapped ions have emerged as powerful tools for this task, the limited ability to theoretically probe these systems poses challenges for improved control and characterization. In this thesis, I focus on the development of new computational tools, utilizing tensor networks and phase space methods, for studying the far-from-equilibrium dynamics of quantum many-body systems.

Out-of-equilibrium dynamics of isolated quantum many-body systems is generally intractable. In chaotic quantum systems, however, local observables rapidly relax to their equilibrium values. Hence, simple translationally-invariant initial states are expected to quickly reach thermal equilibrium for local expectation values. The equilibration of fluctuations on the other hand goes beyond standard thermalization and is expected to happen on much longer timescales, since their approach to equilibrium is limited by the hydrodynamic build-up of large-scale fluctuations.

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Duane Physics and Astrophysics, G1B20

2000 Colorado Avenue, Boulder, CO 80309

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Abstract: One-dimensional systems exhibiting a continuous symmetry can host quantum phases of matter with true long-range order only in the presence of sufficiently long-range interactions. In most physical systems, however, the interactions are short-ranged, hindering the emergence of such phases in one dimension.

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Abstract: Silicon Vacancy (SiV) centers in diamond coupled to nanophotonic cavities offer a promising platform for quantum communication. Our system utilizes long coherence times, high optical cooperativities, and on-chip scalability, providing a unique path to the practical implementation of long-distance quantum networking.

Abtract: A key question for platforms realizing quantum computation, simulation and communication is: How can we grow the size of a quantum system, while keeping high fidelities of single operations?

Abstract: Primitive asteroids (PAs) are the remaining building blocks of our Solar System (SS) study their composition, location and evolution will help us understanding how different materials travel along the Solar System and how they appeared on Earth. They are characterized by dark surfaces (albedo < 10%) dominated by carbon compounds. Their reflectance spectra are similar to those of carbonaceous chondrites (CCs), the most pristine meteorites in our records, that are abundant in hydrated minerals and organics.

REGISTRATION REQUIRED TO ATTEND. Link to registration can be found here:

https://www.colorado.edu/initiative/cubit/events

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Understanding and addressing materials losses is key to implementing the next generation of quantum technology.  In this webinar, you will learn how studying materials and resonators accelerates qubit development.  

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