5 papers
Heat rectification through a quantum two-level system
Tsuyoshi Yamamoto, Manuel Houzet
We study heat rectification through a quantum two-level system asymmetrically coupled to two thermal baths, as described by the Ohmic spin-boson model. We evaluate the steady-state…
Andreev-enhanced conductance quantization and gate-tunable induced superconducting gap in germanium
Elyjah Kiyooka, Chotivut Tangchingchai, Gonzalo Troncoso Fernandez-Bada +8
Ge/SiGe quantum well heterostructures confining a high-mobility two-dimensional hole gas (2DHG) have emerged as a compelling platform for hybrid superconductor(S)-semiconductor(Sm)…
Andreev bound states in a superconducting qubit at odd parity
Manuel Houzet, Julia S. Meyer, Yuli V. Nazarov
The quantum mechanics of the Josephson effect is the core ingredient for quantum technologies with superconducting circuits. A new avenue was recently opened in this field by predi…
Multiple Quasiparticle Bound States in a Trap Created by a Local Superconducting Gap Variation
Romy Morin, Denis M. Basko, Manuel Houzet +1
At low temperature, the concentration of quasiparticles observed in superconducting circuits far exceeds the predictions of microscopic BCS theory at equilibrium. As a source of di…
Bloch diode
M. Houzet, T. Vakhtel, J. S. Meyer
In a SQUID tuned away from half-integer flux (in units of the superconducting flux quantum), the concurrence of multiple Josephson harmonics and an asymmetry between the junctions…