Université de Fribourg

Superconducting optical response of photodoped Mott insulators

Li, J. ; Golez, D. ; Werner, Philipp ; Eckstein, M.

In: Modern Physics Letters B, 2020, vol. 34, no. 19n20, p. 2040054

Ultrafast laser pulses can redistribute charges in Mott insulators on extremely short time scales, leading to the fast generation of photocarriers. It has recently been demonstrated that these photocarriers can form a novel η-paired condensate at low temperatures, featuring a staggered superconducting pairing field. In this conference paper, we discuss the origin of the η-paired hidden...

Consortium of Swiss Academic Libraries

New theoretical approaches for correlated systems in nonequilibrium

Eckstein, M. ; Hackl, A. ; Kehrein, S. ; Kollar, M. ; Moeckel, M. ; Werner, P. ; Wolf, F.A.

In: The European Physical Journal Special Topics, 2009, vol. 180, no. 1, p. 217-235