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Thursday 17 May 2018, 3:00pm to 4:00pm
Complex interplay between superconductivity and magnetism in Nd1−x Cex CoIn5
Strongly correlated electron systems present electronic ground states with several couplings that trigger novel quantum phenomena. The interplay of magnetism and superconductivity in heavy fermion superconductors may result in quantum phase transitions that can be controlled by tuning parameters such as magnetic field and chemical doping. In CeCoIn5 for example, magnetism only appears inside the superconducting phase at a higher field region with a SDW order (the so-called Q-phase) . I will showcase this phase as an example for a multicomponent magneto-superconducting order-parameter where magnetic order cooperates with the superconducting state as suggested by experimental findings . Further, I will discuss the influence of the substitution of Ce with Nd on the ground state.
 M. Kenzelmann et al, Science, 321, 1652 (2008). S. Gerber et al., Nature Physics, 10, 126 (2014).
 S. Gerber et al., Nature Physics, 10, 126 (2014).
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