Events at Physics |
Events on Thursday, October 3rd, 2013
- R. G. Herb Condensed Matter Seminar
- Quantum Critical Spin Systems
- Title to be announced
- Time: 10:00 am
- Place: 5310 Chamberlin
- Speaker: Ribhu K. Kaul, University of Kentucky, Lexington
- Abstract: Close to the absolute zero of temperature, when pushed to the edge between two phases of matter, simple lattice Hamiltonians of spins can display the incredibly rich phenomena of "quantum criticality". Quantum critical ground states are described by the most complex wavefunctions known to physicists, yet they can be categorized by "universality classes" that are independent of the details of the Hamiltonians that realize them. In this seminar I will show how such quantum critical spin systems can arise in real-world transition metal oxide materials, and explain our successes in developing quantum many-body simulations of a new universality class of "deconfined" quantum critical points.
- Host: Perkins
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