Ultrawide-range photon number calibration using a hybrid system combining nano-electromechanics and superconducting circuit quantum electrodynamics
Schmidt P, Schwienbacher D, Pernpeintner M, Wulschner F, Deppe F, Marx A, Gross R, Huebl H.
Applied Physics Letters. 2018 Oct 8;113(15):152601.

Analytic solutions to the Maxwell-London equations and levitation force for a superconducting sphere in a quadrupole field
J Hofer, M Aspelmeyer
arXiv preprint arXiv:1806.07096, 2018

Magnetic Illusion: Transforming a Magnetic Object into Another Object by Negative Permeability
Rosa Mach-Batlle, Albert Parra, Sergi Laut, Nuria Del-Valle, Carles Navau, and Alvaro Sanchez
Phys. Rev. Applied 9, 034007 – Published 12 March 2018 

Bistability in a mesoscopic Josephson junction array resonator
P. R. Muppalla, O. Gargiulo, S. I. Mirzaei, B. Prasanna Venkatesh, M. L. Juan, L. Grünhaupt, I. M. Pop, and G. Kirchmair
Phys. Rev. B 97, 024518

Negative permeability in magnetostatics and its experimental demonstration
Rosa Mach-Batlle, Albert Parra, Jordi Prat-Camps, Sergi Laut, Carles Navau, and Alvaro Sanchez
Phys. Rev. B 96, 094422 – Published 19 September 2017