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935 papers
Influence of bias voltage noise on the Inelastic Cooper-Pair Tunneling Amplifier (ICTA)
Ulrich Martel, Romain Albert, Florian Blanchet +7
We experimentally show that the Inelastic Cooper-Pair Tunneling Amplifier (ICTA), implementing a DC-powered parametric amplification scheme, can achieve gain and noise performance…
Evidence chain for time-reversal symmetry-breaking kagome superconductivity
Hanbin Deng, Guowei Liu, Z. Guguchia +25
Superconductivity and magnetism are antagonistic quantum matter, while their intertwining has long been considered in frustrated-lattice systems1-3. In this work, we utilize scanni…
Microwave photon-number amplification
Romain Albert, Joël Griesmar, Florian Blanchet +3
So far, quantum-limited power meters are not available in the microwave domain, hindering measurement of photon number in itinerant quantum states. On the one hand, single photon d…
Anharmonicity of the antiferrodistortive soft mode in barium zirconate BaZrO
Petter Rosander, Erik Fransson, Cosme Milesi-Brault +6
Barium zirconate (BaZrO) is one of the very few perovskites that is claimed to retain an average cubic structure down to \SI{0}{\K}, while being energetically very close to an…
Coulomb-mediated antibunching of an electron pair surfing on sound
Junliang Wang, Hermann Edlbauer, Aymeric Richard +14
Electron flying qubits are envisioned as potential information link within a quantum computer, but also promise -- alike photonic approaches -- a self-standing quantum processing u…
Possible stripe phases in the multiple magnetization plateaus in TbB derived from single-crystal neutron diffraction under pulsed high magnetic fields
N. Qureshi, F. Bourdarot, E. Ressouche +5
We present a single-crystal neutron diffraction study on the Shastry-Sutherland lattice system TbB at zero magnetic field and under pulsed high magnetic fields up to 35 T appli…