0:00:02this is a very abstract for the obstacle formation of heavy the electronic ways i
0:00:07particles instrument in three within into oxygen seven
0:00:12the by layer resonate strong team three rethinking to oxygen seven often abbreviated a strong
0:00:19team three to seven is a quasar a two-dimensional natural with the familiar ground state
0:00:24it's a large electronic specific heat indicates an unusually high mass enhancement
0:00:29and then applied magnetic field strong team three to seven on the case multiple nets
0:00:34of magnetic phase transitions
0:00:36and shows consonant critical behavior as well as an exotic kinematic state
0:00:40where the transport properties break the four fold rotational send symmetry of the lattice
0:00:46actually there is much theoretical interest instrument in three to seven
0:00:50mix models developed in recent years to explained in treating phase diagram a strong team
0:00:55three to seven involve heavy coincide particles that to find a mysterious low energy scale
0:01:02in our article we present and go over so fainter that run spectroscopy experiments to
0:01:07visualize the low energy electronic structure a strong team three to seven in momentum space
0:01:13we discovered coexistence of lines and very heavy bands
0:01:17yielding an uncanny resemblance to contour type every funny on systems
0:01:23in order to test the relevance of that data for the exotic physics displayed by
0:01:27strong team three to seven in applied field we to detailed measurements not only along
0:01:32one direction but as a function of k x k y
0:01:36and energy to deliver a complete three-dimensional data set of the spectral weight sk an
0:01:41amiga
0:01:43is the last a parametrized the complex pan structures transient three to seven and importantly
0:01:50using this parameterization we can extract the phone quite five possible densities states which a
0:01:55deeper the it was a p right below the phoneme level
0:01:59using a simple model
0:02:00we show that the strongly p density of states found in the experiments can explain
0:02:05the non trivial attempted dependence of the electronic specific heat reported previously
0:02:11assuming a symposium inspecting in applied field we find that data that the quality of
0:02:16leave reproduces the strong enhancement of the electronic specific heat which was observed experimentally
0:02:22much has been related to quantum criticality
0:02:26the main focus of our goal is to provide insight into how the heavy bands
0:02:30underlying the physics a strong team three to seven a formant we find and describe
0:02:34several of s
0:02:36the presence of three need to generate t two g u one salisbury indian on
0:02:41together with binary a spacing and back holding a funny services sheets to choose structural
0:02:46distortion needs to a large number of bands near the chemical potential
0:02:50the sizable spin orbit interaction in the wreath indian forty shell which could is a
0:02:55little mixing in small hybridization gaps then gives weekly dispersing bands of mixed were able
0:03:00to character
0:03:01an extended areas of k space
0:03:04we further find a very strong
0:03:06and all sentiment independent re normalization of these bands juju electron correlation affects
0:03:12data indicate that legal electron correlations course the strong masking huntsman to the pronounced kay
0:03:18space and i stopped repeat instrument in three to seven and we expect that this
0:03:23effect is a general relevance to multi-band systems with over two mixing along the funny
0:03:28services such as many times
0:03:30and different forty transition metal oxide