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Topolectrical circuit realization of topological corner modes
Stefan Imhof, Christian Berger, Florian Bayer +8
Quantized electric quadrupole insulators have recently been proposed as novel quantum states of matter in two spatial dimensions. Gapped otherwise, they can feature zero-dimensiona…
Topolectrical circuits
Ching Hua Lee, Stefan Imhof, Christian Berger +5
Invented by Alessandro Volta and Félix Savary in the early 19th century, circuits consisting of resistor, inductor and capacitor (RLC) components are omnipresent in modern technolo…
Polarization-assisted Vector Magnetometry in Zero Bias Field with an Ensemble of Nitrogen-Vacancy Centers in Diamond
Franz Münzhuber, Johannes Kleinlein, Tobias Kiessling +1
We demonstrate vector magnetometry with an ensemble of nitrogen-vacancy (NV) centers in diamond without the need for an external bias field. The anisotropy of the electric dipole m…