5 citations · 13 across the 20 of their papers we have counts for
21 papers
Proximity-induced superconductivity in a bilayer graphene quantum point contact
Clara Galante-Agero, Christoph Adam, Artem O. Denisov +9
We report the realization of a gate-defined quantum point contact (QPC) in bilayer graphene proximitized by a single aluminum superconducting electrode. Superconducting correlation…
Third-order nonlinear transport in a percolative two-dimensional superconductor
Wenjun Liu, Chenghe Wang, Xiubin Li +5
Percolative superconductivity frequently arises in two-dimensional van der Waals materials due to reduced dimensionality, enhanced quantum fluctuations, and complex electron-phonon…
Scanning Gate Microscopy Modulation of Supercurrent in Graphene Josephson Junctions
Ivan Villani, Samuele Fracassi, Niccolò Traverso Ziani +9
Graphene Josephson junctions represent an excellent platform for quantum technologies, thanks to the combination of high carrier mobility, ballistic transport, and large gate-tunab…
Vortex Dynamics in Magic-Angle Twisted Graphene
Marta Perego, Peter Koopmann, Clara Galante Agero +7
We use a gate-defined Josephson junction (JJ) device made from twisted-layer graphene for studying vortex dynamics in two dimensions. The JJ sensor signals the presence of individu…
Magnetic-Free Quantum Interference and Universal Josephson Diode Effect Driven by a Supercurrent Gauge Field
Haowei Ye, Wenxue He, Kaixuan Fan +8
The Josephson effect, a hallmark of superconducting phase coherence, drives modern quantum technologies. However, Josephson-based quantum interference has hitherto been tethered to…
Nontrivial Boundary-Mediated Superconducting Transport in a TRSB Topological Iron-Based Superconductor
Wenyao Liu, Gabriel Natale, Camron Farhang +22
The interplay of superconductivity, band topology, and spontaneous time-reversal-symmetry breaking (TRSB) is expected to enable topological superconducting boundary states. FeTe0.5…
Graphene Josephson diodes from inherent asymmetric disorder
Ivan Villani, Luca Chirolli, Matteo Carrega +10
Josephson diodes are non-reciprocal superconducting devices characterized by different switching currents depending on the current flow direction. They recently attracted considera…
Cavity-enhanced superconductivity in the two-dimensional limit of NbSe2
Hanxiang Zhang, Zexin Feng, I-Te Lu +13
Vacuum electromagnetic fluctuations have emerged as a means of controlling collective quantum phases without external driving. Cavity-induced modification of superconductivity has…
Vortex-parity-controlled diode effect in Corbino topological Josephson junctions
Joon Young Park, Thomas Werkmeister, Jonathan Zauberman +11
Nonreciprocal supercurrents in Josephson junctions have recently emerged as a sensitive tool for investigating broken symmetries in superconducting quantum materials. Here, we repo…
Kinetic Inductance of Few-Layer NbSe in the Two-Dimensional Limit
Sameia Zaman, Joel Î-j. Wang, Thomas Werkmeister +19
Van der Waals (vdW) superconductors remain superconducting down to the monolayer limit, enabling the exploration of emergent physical phenomena and functionality driven by reduced…
Contactless cavity sensing of superfluid stiffness in atomically thin 4Hb-TaS
Trevor Chistolini, Ha-Leem Kim, Qiyu Wang +13
The exceptional tunability of two-dimensional van der Waals materials offers unique opportunities for exploring novel superconducting phases. However, in such systems, the measurem…
Anisotropic supercurrent suppression and revivals in a graphene-based Josephson junction under in-plane magnetic fields
Philipp Schmidt, Katarina Stanojević, Kenji Watanabe +4
We report on a tunable Josephson junction formed by a bilayer graphene ribbon encapsulated in WSe with superconducting niobium contacts. We characterize the junction by measure…
Engineering Andreev Bound States for Thermal Sensing in Proximity Josephson Junctions
Woochan Jung, Ethan G Arnault, Bevin Huang +7
The thermal response of proximity Josephson junctions (JJs) is governed by the temperature ()-dependent occupation of Andreev bound states (ABS), making them promising candidate…
Unconventional Superconducting Phase Diagram of Monolayer WTe2
Tiancheng Song, Yanyu Jia, Guo Yu +13
The existence of a quantum critical point (QCP) and fluctuations around it are believed to be important for understanding the phase diagram in unconventional superconductors such a…
Crystalline superconductor-semiconductor Josephson junctions for compact superconducting qubits
Jesse Balgley, Jinho Park, Xuanjing Chu +11
The narrow bandgap of semiconductors allows for thick, uniform Josephson junction barriers, potentially enabling reproducible, stable, and compact superconducting qubits. We study…
Competing Orbital Magnetism and Superconductivity in electrostatically defined Josephson Junctions of Alternating Twisted Trilayer Graphene
Vishal Bhardwaj, Lekshmi Rajagopal, Lorenzo Arici +8
The coexistence of superconductivity and magnetism within a single material system represents a long-standing goal in condensed matter physics. Van der Waals-based moiré superlatti…
Field-Resilient Supercurrent Diode in a Multiferroic Josephson Junction
Hung-Yu Yang, Joseph J. Cuozzo, Anand Johnson Bokka +8
The research on supercurrent diodes has surged rapidly due to their potential applications in electronic circuits at cryogenic temperatures. To unlock this functionality, it is ess…
Fermi Velocity Dependent Critical Current in Ballistic Bilayer Graphene Josephson Junctions
Amis Sharma, Chun-Chia Chen, Jordan McCourt +6
We perform transport measurements on proximitized, ballistic, bilayer graphene Josephson junctions (BGJJs) in the intermediate-to-long junction regime (). We measure the devic…
Collective Pinning and Vortex Dynamics in type 2 superconducting thin films with Varying Magnetic Field
Yu Wu, Liangliang Guo, Renfei Wang +7
A perpendicular magnetic field penetrating a thin type-II superconductor slab produces vortices, with one vortex per flux quantum, h/2e. The vortices interact repulsively and form…
Multiplet Supercurrents in a Josephson Circuit
Ethan G. Arnault, John Chiles, Trevyn F. Q. Larson +6
Multiterminal Josephson junctions are a promising platform to host synthetic topological phases of matter and Floquet states. However, the energy scales governing topological prote…
Noise-induced stabilization of dynamical states with broken time-reversal symmetry
Trevyn F. Q. Larson, Lingfei Zhao, Ethan G. Arnault +7
Under a high frequency drive, Josephson junctions demonstrate "Shapiro steps" of quantized voltage. These are dynamically stabilized states, in which the phase across the junction…