Dynamical mean-field theory of strongly correlated fermion systems and the limit of infinite dimensions
We review the dynamical mean-field theory of strongly correlated electron systems which is
based on a mapping of lattice models onto quantum impurity models subject to a self …
based on a mapping of lattice models onto quantum impurity models subject to a self …
Electronic structure calculations with dynamical mean-field theory
A review of the basic ideas and techniques of the spectral density-functional theory is
presented. This method is currently used for electronic structure calculations of strongly …
presented. This method is currently used for electronic structure calculations of strongly …
Exotic Kondo effects in metals: magnetic ions in a crystalline electric field and tunnelling centres
DL Cox, A Zawadowski - Advances in Physics, 1998 - Taylor & Francis
The ordinary single-channel Kondo model consists of one or more spin-½ local moments
interacting antiferromagnetically with conduction electrons in a metal. This model has …
interacting antiferromagnetically with conduction electrons in a metal. This model has …
Exotic Quadrupolar Phenomena in Non-Kramers Doublet Systems — The Cases of PrT2Zn20 (T = Ir, Rh) and PrT2Al20 (T = V, Ti) —
T Onimaru, H Kusunose - Journal of the Physical Society of Japan, 2016 - journals.jps.jp
This paper reviews experimental evidence and the related theoretical background on exotic
phenomena arising from local quadrupolar degrees of freedom. Recent extensive studies on …
phenomena arising from local quadrupolar degrees of freedom. Recent extensive studies on …
Heavy fermions: Electrons at the edge of magnetism
P Coleman - arXiv preprint cond-mat/0612006, 2006 - arxiv.org
arXiv:cond-mat/0612006v3 [cond-mat.str-el] 3 Jan 2007 Page 1 arXiv:cond-mat/0612006v3 [cond-mat.str-el]
3 Jan 2007 Heavy Fermions: electrons at the edge of magnetism P. Coleman1 1 Center for …
3 Jan 2007 Heavy Fermions: electrons at the edge of magnetism P. Coleman1 1 Center for …
Overscreened multichannel Kondo model: Large- solution and conformal field theory
The multichannel Kondo model with SU (N) spin symmetry and SU (K) channel symmetry is
considered. The impurity spin is chosen to transform as an antisymmetric representation of …
considered. The impurity spin is chosen to transform as an antisymmetric representation of …
Impurity quantum phase transitions
M Vojta - Philosophical Magazine, 2006 - Taylor & Francis
Recent work is reviewed on continuous quantum phase transitions in impurity models, both
with fermionic and bosonic baths–these transitions are interesting realizations of boundary …
with fermionic and bosonic baths–these transitions are interesting realizations of boundary …
Quantum impurity dynamics in two-dimensional antiferromagnets and superconductors
We present the universal theory of arbitrary, localized impurities in a confining paramagnetic
state of two-dimensional antiferromagnets with global SU (2) spin symmetry. The energy gap …
state of two-dimensional antiferromagnets with global SU (2) spin symmetry. The energy gap …
Anderson impurity model at finite Coulomb interaction U: Generalized noncrossing approximation
We present an extension of the noncrossing approximation (NCA), which is widely used to
calculate properties of Anderson impurity models in the limit of infinite Coulomb repulsion …
calculate properties of Anderson impurity models in the limit of infinite Coulomb repulsion …
Quantum impurity solvers using a slave rotor representation
We introduce a representation of electron operators as a product of a spin-carrying fermion
and of a phase variable dual to the total charge (slave quantum rotor). Based on this …
and of a phase variable dual to the total charge (slave quantum rotor). Based on this …