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Condensed Matter Seminars
| Condensed Matter
Thursday, February 18, 2010
Physics Building, Room 204
Note special time.
Note special room.
[Host: Israel Klich ]
"Effect of order parameter fluctuations on the spectral density in d-wave superconductors"
My talk contains two related parts.
In the first part I will discuss the spectral density in 2D d-wave superconductors in the regime of strong quantum fluctuations.
I will start with the motivation based on Angular Resolved Photo- Emission Experiments.
The theoretical model is then presented to capture the effects of phase fluctuations without specifying the (unknown) paring mechanism.
I discuss the solution of the model and give results for the spectral function.
In the second part I will discuss the Fermi Surface Reconstruction and underlying mechanism related to the anti-ferromagnetic fluctuations.
I will show how the pockets obtained on the mean field level are modified by the fluctuations of the staggered magnetization.
Finally, I would conclude with a short summary.
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