Phase-engineering the Andreev band structure of a three-terminal Josephson junction
arXiv:2302.14535 · doi:10.1038/s41467-023-42356-6
Abstract
In hybrid Josephson junctions with three or more superconducting terminals coupled to a semiconducting region, Andreev bound states may form unconventional energy band structures, or Andreev matter, which are engineered by controlling superconducting phase differences. Here we report tunnelling spectroscopy measurements of three-terminal Josephson junctions realised in an InAs/Al heterostructure. The three terminals are connected to form two loops, enabling independent control over two phase differences and access to a synthetic Andreev band structure in the two-dimensional phase space. Our results demonstrate a phase-controlled Andreev molecule, originating from two discrete Andreev levels that spatially overlap and hybridise. Signatures of hybridisation are observed in the form of avoided crossings in the spectrum and band structure anisotropies in the phase space, all explained by a numerical model. Future extensions of this work could focus on addressing spin-resolved energy levels, ground state fermion parity transitions and Weyl bands in multiterminal geometries.
References in corpus (47)
- Revealing the electronic structure of a carbon nanotube carrying a supercurrent
- Two-dimensional epitaxial superconductor-semiconductor heterostructures: A platform for topological superconducting networks
- Coherent manipulation of Andreev states in superconducting atomic contacts
- Multi-terminal Josephson junctions as topological materials
- Controllable coupling of superconducting flux qubits
- Coherent manipulation of an Andreev spin qubit
- Exciting Andreev pairs in a superconducting atomic contact
- Andreev Level Qubit
- Spin-orbit splitting of Andreev states revealed by microwave spectroscopy
- Direct microwave measurement of Andreev-bound-state dynamics in a proximitized semiconducting nanowire
- Tunneling Spectroscopy of Quasiparticle Bound States in a Spinful Josephson Junction
- Andreev quantum dots for spin manipulation
- Microwave spectroscopy of spinful Andreev bound states in ballistic semiconductor Josephson junctions
- Direct manipulation of a superconducting spin qubit strongly coupled to a transmon qubit
- Single fermion manipulation via superconducting phase differences in multiterminal Josephson junctions
- Tunnelling Spectroscopy of Andreev States in Graphene
- Superconducting Spin Qubits
- The -SQUIPT: phase-engineering of Josephson topological materials
- Relating Andreev Bound States and Supercurrents in Hybrid Josephson Junctions
- Topological transconductance quantization in a four-terminal Josephson junction
- Topological Andreev bands in three-terminal Josephson junctions
- Supercurrent Flow in Multi-Terminal Graphene Josephson Junctions
- Andreev Molecules in Semiconductor Nanowire Double Quantum Dots
- Microwave Spectroscopy Reveals the Quantum Geometric Tensor of Topological Josephson Matter
- Production of non-local quartets and phase-sensitive entanglement in a superconducting beam splitter
- Nonlocal Josephson effect in Andreev molecules
- Non-trivial Chern numbers in three-terminal Josephson junctions
- Singularities of Andreev spectrum in multi-terminal Josephson junction
- Non-local Supercurrent of Quartets in a Three-Terminal Josephson Junction
- Sub-Gap Structure in the Conductance of a Three-Terminal Josephson Junction
- Transport Studies in a Gate-Tunable Three-Terminal Josephson Junction
- Fine energy splitting of overlapping Andreev bound states in multi-terminal superconducting nanostructures
- Majorana-Weyl crossings in topological multi-terminal junctions
- Multipair DC-Josephson Resonances in a biased all-superconducting Bijunction
- Controlled dephasing of Andreev states in superconducting quantum point-contacts
- Josephson junctions of multiple superconducting wires
- Topological phase diagram of a three-terminal Josephson junction: From the conventional to the Majorana regime
- Topological supercurrents interaction and fluctuations in the multiterminal Josephson effect
- Demonstration of tunable three-body interactions between superconducting qubits
- Observation of nonlocal Josephson effect on double InAs nanowires
- Topological properties of multi-terminal superconducting nanostructures: effect of a continuous spectrum
- Phase-dependent Andreev molecules and superconducting gap closing in coherently coupled Josephson junctions
- Overlapping Andreev states in semiconducting nanowires: competition of 1D and 3D propagation
- Scattering description of Andreev molecules
- Zeeman-driven parity transitions in an Andreev quantum dot
- Control over epitaxy and the role of the InAs/Al interface in hybrid two-dimensional electron gas systems
- Measurements of spin-orbit interaction in epitaxially grown InAs nanosheets
Cited by in corpus (42)
- Flux-Tunable Josephson Diode Effect in a Hybrid Four-Terminal Josephson Junction
- Non-Hermitian Fermi-Dirac Distribution in Persistent Current Transport
- Phase-dependent Andreev molecules and superconducting gap closing in coherently coupled Josephson junctions
- Demonstration of nonlocal Josephson effect in Andreev molecules
- Engineering of anomalous Josephson effect in coherently coupled Josephson junctions
- Non-hermitian topology in multiterminal superconducting junctions
- Non-Hermitian multiterminal phase-biased Josephson junctions
- Quantum circuits with multiterminal Josephson-Andreev junctions
- Strong nonlocal tuning of the current-phase relation of a quantum dot based Andreev molecule
- Spin-degeneracy breaking and parity transitions in three-terminal Josephson junctions
- Controllable odd-frequency Cooper pairs in multi-superconductor Josephson junctions
- Theory of universal diode effect in three-terminal Josephson junctions
- Voltage-controlled synthesis of higher harmonics in hybrid Josephson junction circuits
- Nonreciprocal Josephson linear response
- Josephson effect and critical currents in trivial and topological full-shell hybrid nanowires
- Hidden symmetry in interacting-quantum-dot-based multi-terminal Josephson junctions
- Cooper quartets in interacting hybrid superconducting systems
- Ground state topology of a four-terminal superconducting double quantum dot
- Flux-tunable Josephson Effect in a Four-Terminal Junction
- Spectral Signatures of Non-Trivial Topology in a Superconducting Circuit
- Quartet Tomography in Multiterminal Josephson Junctions
- Development of a Nb-based semiconductor-superconductor hybrid platform
- Magnetointerferometry of multiterminal Josephson junctions
- Long-range coupling between superconducting dots induced by periodic driving
- Mapping the topological proximity-induced gap of multiterminal Josephson junctions
- Multiplet Supercurrents in a Josephson Circuit
- Self-heating effects and switching dynamics in graphene multiterminal Josephson junctions
- Phase-controlled minimal Kitaev chain in multiterminal Josephson junctions
- Full tomography of topological Andreev bands in graphene Josephson junctions
- Nonlocal Josephson diode effect in minimal Kitaev chains
- Fermionic Quantum Simulation on Andreev Bound State Superlattices
- Exploring the energy spectrum of a four-terminal Josephson junction: Towards topological Andreev band structures
- Frustrated Frustration of Arrays with Four-Terminal Nb-Pt-Nb Josephson Junctions
- Nonequilibrium Andreev resonances in ballistic graphene Andreev interferometers
- Fabrication Optimization of Suspended Stencil Mask Lithography for Multi-Terminal Josephson Junctions
- Finite Length Effects and Coulomb Interaction in Ge Quantum Well-Based Josephson Junctions Probed with Microwave Spectroscopy
- Tuning the the fundamental periodicity of the current-phase relation in multiterminal diffusive Josephson junctions
- Superconducting Diode Effect in Double Quantum Dot Device
- Revisiting the adiabatic limit in ballistic multiterminal Josephson junctions
- Directional conductance of Andreev crystals in hybrid Josephson junction arrays
- Impact of Layer Structure and Strain on Morphology and Electronic Properties of InAs Quantum Wells on InP (001)
- Multiterminal Josephson junctions with tunable topological properties