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Condensed Matter Theory Seminar: Shining Light on Transition Metal Oxides: Resilient Quasiparticles and the Unveiling of the Hidden Fermi Liquid
Strongly correlated metals exhibit anomalous transport properties
which have puzzled condensed matter physicists for many years.
They are characterized by large resistivities which exceed the Mott
Ioffe Reggel limit and large thermoelectric responses, which cannot
be explained in terms of standard Fermi liquid quasiparticles.
Dynamical Mean Field Theory (DMFT) calculations [1,2] carried out
on a doped one band Hubbard model suggest that this behavior
originate in the strong temperature dependence of thee parameters
of the underlying resilient (non-Landau) quasiparticles.
We will test these ideas by analyzing low energy optical spectroscopy
measurements in several prototypical compounds starting with
the archetypal correlated material Sesquioxide V2O3. We will also
show first principles, material specific, LDA+DMFT calculations
which are in very good agreement with the experiments [3].
View all episodes
By The Arnold Sommerfeld Center for Theoretical Physics (ASC)Strongly correlated metals exhibit anomalous transport properties
which have puzzled condensed matter physicists for many years.
They are characterized by large resistivities which exceed the Mott
Ioffe Reggel limit and large thermoelectric responses, which cannot
be explained in terms of standard Fermi liquid quasiparticles.
Dynamical Mean Field Theory (DMFT) calculations [1,2] carried out
on a doped one band Hubbard model suggest that this behavior
originate in the strong temperature dependence of thee parameters
of the underlying resilient (non-Landau) quasiparticles.
We will test these ideas by analyzing low energy optical spectroscopy
measurements in several prototypical compounds starting with
the archetypal correlated material Sesquioxide V2O3. We will also
show first principles, material specific, LDA+DMFT calculations
which are in very good agreement with the experiments [3].
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