The interplay between the electronic and lattice degrees of freedom in non-equilibrium states of strongly correlated systems has been attracting controversy for decades. While progress has been made in establishing… Click to show full abstract
The interplay between the electronic and lattice degrees of freedom in non-equilibrium states of strongly correlated systems has been attracting controversy for decades. While progress has been made in establishing a hierarchy of electronic interactions with the use of time-resolved techniques, the role of the phonons often remains in dispute, a situation highlighting the need for tools that directly probe the lattice. Here we present the first combined MeV ultrafast electron diffraction (MeV-UED) and timeand angle-
               
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