| Physics at the University of Virginia | ||||||
| Academics | People | Research | Announcements | Facilities | Administration | Classes |
| Atomic | ||
| Monday, November 23 | Reserved | |
| 3:30 PM, Room 204 | ||
| Physics Building |
| Condensed Matter | ||
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Monday, November 23 Note Special Day |
Andrew James [Host: Austen Lamacraft] | |
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3:30 PM, Room 204 Note Special Time and/or Room |
University of Virginia | |
| Physics Building | “Non-Fermi liquid fixed point for an imbalanced gas of fermions in 1+ ε dimensions” |
| We consider a two species gas of fermions with population imbalance. Using the renormalisation group in d=1+ ε dimensions, we show that for spinless fermions and ε > 0 a fixed point appears at finite attractive coupling where the quasiparticle residue Ζ vanishes, and identify this fixed point with the transition to Larkin--Ovchinnikov--Fulde--Ferrell order (inhomogeneous superconductivity). When the two species of fermions also carry spin degrees of freedom we find a repulsive fixed point, indicating a transition to spin density wave order. |
| Nuclear | ||
| Tuesday, November 24 | OLIVER JAHN [Host: Blaine Norum] | |
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3:00 PM, Room 313 Note Special Time and/or Room |
University of Mainz | |
| Physics Building | “The GDH Experiment at MAMI” |
| The GDH sum rule connects ground state properties of the nucleon with helicity-dependent cross sections. To investigate these cross sections on the deuteron, experiments have been carried out by the A2-Collaboration at the Mainz Microtron (Germany) in 1998 and in 2003, using circularly polarized photons on a polarized d-butanol target. The latest analysis results and the status of the GDH experiment with the Crystal Ball detector are reported. |
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