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Université de Fribourg

Unconventional orbital ordering and emergent dimensional reduction in fulleride superconductors

Hoshino, Shintaro ; Werner, Philipp ; Arita, Ryotaro

In: Physical Review B, 2019, vol. 99, no. 23, p. 235133

Nonlocal order parameters in space-time are proposed to characterize the unconventional orbital-selective conducting state in fulleride superconductors, called the Jahn-Teller metal. In previous works, it has been argued that this state can be interpreted as a spontaneous orbital-selective Mott state, in which the electrons in two of the three t1u molecular orbitals are localized, while those...