Controlling Andreev bound states with the magnetic vector potential

Kavli Affiliate: Srijit Goswami | First 5 Authors: Christian M. Moehle, Prasanna K. Rout, Nayan A. Jainandunsing, Dibyendu Kuiri, Chung Ting Ke | Summary: Tunneling spectroscopy measurements are often used to probe the energy spectrum of Andreev bound states (ABSs) in semiconductor-superconductor hybrids. Recently, this spectroscopy technique has been incorporated into planar Josephson junctions (JJs) […]


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Coherent feedback in optomechanical systems in the sideband-unresolved regime

Kavli Affiliate: Simon Groblacher | First 5 Authors: Jingkun Guo, Simon Gröblacher, , , | Summary: Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum applications. Here we propose an experimentally interesting scheme, which […]


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Realization of a minimal Kitaev chain in coupled quantum dots

Kavli Affiliate: Michael Wimmer | First 5 Authors: Tom Dvir, Guanzhong Wang, Nick van Loo, Chun-Xiao Liu, Grzegorz P. Mazur | Summary: Majorana bound states constitute one of the simplest examples of emergent non-Abelian excitations in condensed matter physics. A toy model proposed by Kitaev shows that such states can arise on the ends of […]


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Mechanical dissipation by substrate-mode coupling in SiN resonators

Kavli Affiliate: Simon Groblacher | First 5 Authors: Matthijs H. J. de Jong, Malte A. ten Wolde, Andrea Cupertino, Simon Gröblacher, Peter G. Steeneken | Summary: State-of-the-art nanomechanical resonators are heralded as a central component for next-generation clocks, filters, resonant sensors and quantum technologies. To practically build these technologies will require monolithic integration of microchips, […]


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Topological Entanglement Stabilization in Superconducting Quantum Circuits

Kavli Affiliate: Eliska Greplova | First 5 Authors: Guliuxin Jin, Eliska Greplova, , , | Summary: Topological properties of quantum systems are one of the most intriguing emerging phenomena in condensed matter physics. A crucial property of topological systems is the symmetry-protected robustness towards local noise. Experiments have demonstrated topological phases of matter in various […]


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Topological Entanglement Stabilization in Superconducting Quantum Circuits

Kavli Affiliate: Eliska Greplova | First 5 Authors: Guliuxin Jin, Eliska Greplova, , , | Summary: Topological properties of quantum systems are one of the most intriguing emerging phenomena in condensed matter physics. A crucial property of topological systems is the symmetry-protected robustness towards local noise. Experiments have demonstrated topological phases of matter in various […]


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Nonlinear response and crosstalk of strongly driven silicon spin qubits

Kavli Affiliate: Viatcheslav V. Dobrovitski | First 5 Authors: Brennan Undseth, Xiao Xue, Mohammad Mehmandoost, Maximilian Russ, Nodar Samkharadze | Summary: Micromagnet-based electric dipole spin resonance (EDSR) offers an attractive path for the near-term scaling of dense arrays of silicon spin qubits in gate-defined quantum dots while maintaining long coherence times and high control fidelities. […]


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Singlet and triplet Cooper pair splitting in superconducting-semiconducting hybrid nanowires

Kavli Affiliate: Michael Wimmer | First 5 Authors: Guanzhong Wang, Tom Dvir, Grzegorz P. Mazur, Chun-Xiao Liu, Nick van Loo | Summary: In most naturally occurring superconductors, electrons with opposite spins are paired up to form Cooper pairs. This includes both conventional $s$-wave superconductors such as aluminum as well as high-$T_c$, $d$-wave superconductors. Materials with […]


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Quantifying quantum computational complexity via information scrambling

Kavli Affiliate: Eliska Greplova | First 5 Authors: Arash Ahmadi, Eliska Greplova, , , | Summary: The advent of quantum technologies brought forward much attention to the theoretical characterization of the computational resources they provide. One outstanding challenge to such characterization is the mathematical complexity that their evaluation possesses. A method to quantify quantum computational […]


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Quantifying quantum computational complexity via information scrambling

Kavli Affiliate: Eliska Greplova | First 5 Authors: Arash Ahmadi, Eliska Greplova, , , | Summary: The advent of quantum technologies brought forward much attention to the theoretical characterization of the computational resources they provide. One outstanding challenge to such characterization is the mathematical complexity that their evaluation possesses. A method to quantify quantum computational […]


Continue.. Quantifying quantum computational complexity via information scrambling