Long range order e ffects in the Mott-Hubbard transition and the variational lattice approach
- Date
- Apr 5, 2012
- Time
- 11:00 AM - 12:00 PM
- Speaker
- Aljoscha Wilhelm
- Language
- en
- Main Topic
- Physik
- Other Topics
- Physik
- Host
- Paul McClarty
- Description
- We introduce an efficient strategy to treat long ranged correlations in fermionic lattices, the so-called variational lattice approach (VLA). The VLA combines the recently developed dual fermion approach for k-dependent problems and the exact diagonalization technique. We present first benchmark results. The phase diagram of the half- filled paramagnetic Mott-Hubbard transition is discussed and the results are compared to CDMFT and DCA calculations.
Last modified: Apr 5, 2012, 9:36:29 AM
Location
Max-Planck-Institut für Physik komplexer Systeme (Seminarroom 3)Nöthnitzer Straße3801187Dresden
- Phone
- + 49 (0)351 871 0
- MPI-PKS
- Homepage
- http://www.mpipks-dresden.mpg.de
Organizer
Max-Planck-Institut für Physik komplexer SystemeNöthnitzer Straße3801187Dresden
- Phone
- + 49 (0)351 871 0
- MPI-PKS
- Homepage
- http://www.mpipks-dresden.mpg.de
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