activity
20012024
most citedEvidence for an anomalous current phase relation in topological insulator Josephson junctions

116 citations · 591 across the 22 of their papers we have counts for

collaborators

22 papers

cond-mat.mes-hall2024★ 8 cited

Characterization of two fast-turnaround dry dilution refrigerators for scanning probe microscopy

Mark E. Barber, Yifan Li, Jared Gibson +13

Low-temperature scanning probe microscopes (SPMs) are critical for the study of quantum materials and quantum information science. Due to the rising costs of helium, cryogen-free c…

cond-mat.supr-con2023★ 11 cited

Signatures of Majorana Bound States in the Diffraction Patterns of Extended Superconductor-Topological Insulator-Superconductor Josephson Junctions

Guang Yue, Can Zhang, Erik D. Huemiller +13

In an extended superconductor-topological insulator-superconductor (S-TI-S) Josephson junction in a magnetic field, localized Majorana bound states (MBS) are predicted to exist at…

quant-ph2023

Terahertz-Mediated Microwave-to-Optical Transduction

Furkan Sahbaz, James N. Eckstein, Dale J. Van Harlingen +1

Transduction of quantum signals between the microwave and the optical ranges will unlock powerful hybrid quantum systems enabling information processing with superconducting qubits…

cond-mat.supr-con2022★ 6 cited

Evidence for a robust sign-changing s-wave order parameter in monolayer films of superconducting Fe (Se,Te)/Bi2Te3

Guannan Chen, Anuva Aishwarya, Mark R. Hirsbrunner +9

The Fe-based superconductor Fe (Se,Te) combines non-trivial topology with unconventional superconductivity and may be an ideal platform to realize exotic states such as high-order…

cond-mat.supr-con2022★ 15 cited

Signatures of Majorana bound states and parity effects in two-dimensional chiral p-wave Josephson junctions

Nick Abboud, Varsha Subramanyan, Xiao-Qi Sun +3

We characterize topological features of Josephson junctions formed by coupled mesoscopic chiral -wave superconducting islands. Through analytic and numerical studies of the low-…

cond-mat.supr-con2017★ 20 cited

Andreev Reflection Spectroscopy of Topological Superconductor Candidate NbBiSe

Cihan Kurter, Aaron Finck, Erik Huemiller +10

We study unconventional superconductivity in thin exfoliated single crystals of a promising 3D topological superconductor candidate, Nb-doped BiSe through Andreev reflectio…

cond-mat.mes-hall2015★ 10 cited

Robust Fabry-Perot interference in dual-gated BiSe devices

A. D. K. Finck, C. Kurter, E. D. Huemiller +2

We study Fabry-Perot interference in hybrid devices, each consisting of a mesoscopic superconducting disk deposited on the surface of a three-dimensional topological insulator. Suc…

cond-mat.str-el2015★ 42 cited

Structural contributions to the pressure-tuned charge-density-wave to superconductor transition in ZrTe3: Raman scattering studies

S. L. Gleason, Y. Gim, T. Byrum +8

Superconductivity evolves as functions of pressure or doping from charge-ordered phases in a variety of strongly correlated systems, suggesting that there may be universal characte…

cond-mat.str-el2014★ 1 cited

Influence of Ti doping on the incommensurate charge density wave in 1T-TaS2

X. M. Chen, A. J. Miller, C. Nugroho +10

We report temperature-dependent transport and x-ray diffraction measurements of the influence of Ti hole doping on the charge density wave (CDW) in 1T-Ta(1-x)Ti(x)S(2). Confirming…

cond-mat.mes-hall2014★ 34 cited

Phase Coherence and Andreev Reflection in Topological Insulator Devices

A. D. K. Finck, C. Kurter, Y. S. Hor +1

Topological insulators (TIs) have attracted immense interest because they host helical surface states. Protected by time-reversal symmetry, they are robust to non-magnetic disorder…

cond-mat.supr-con2014★ 40 cited

Dynamical Gate Tunable Supercurrents in Topological Josephson Junctions

C. Kurter, A. D. K. Finck, P. Ghaemi +2

Josephson junctions made of closely-spaced conventional superconductors on the surface of 3D topological insulators have been proposed to host Andreev bound states (ABSs) which can…

cond-mat.supr-con2013★ 42 cited

Signature of a topological phase transition in the Josephson supercurrent through a topological insulator

Vladimir Orlyanchik, Martin P. Stehno, Christopher D. Nugroho +5

Topological insulators (TIs) hold great promise for realizing zero-energy Majorana states in solid-state systems. Recently, several groups reported experimental data suggesting tha…

cond-mat.mes-hall2013★ 116 cited

Evidence for an anomalous current phase relation in topological insulator Josephson junctions

C. Kurter, A. D. K. Finck, Y. S. Hor +1

Josephson junctions with topological insulator weak links can host low energy Andreev bound states giving rise to a current phase relation that deviates from sinusoidal behaviour.…

cond-mat.supr-con2013★ 31 cited

Low frequency resistance and critical current fluctuations in Al-based Josephson junctions

C. D. Nugroho, V. Orlyanchik, D. J. Van Harlingen

We present low-temperature measurements of the low-frequency noise arising from an ensemble of two-level fluctuators in the oxide barrier of Al/AlO/Al Josephson junctio…

cond-mat.supr-con2011★ 20 cited

Anomalous polarization-dependent transport in nanoscale double-barrier superconductor/ferromagnet/superconductor junctions

Madalina Colci, Kuei Sun, Nayana Shah +2

We study the transport properties of nanoscale superconducting (S) devices in which two superconducting electrodes are bridged by two parallel ferromagnetic (F) wires, forming an S…

cond-mat.supr-con2010★ 10 cited

Current-phase relation of graphene Josephson junctions

C. Chialvo, I. C. Moraru, D. J. Van Harlingen +1

The current-phase relation (CPR) of a Josephson junction reveals valuable information about the microscopic processes and symmetries that influence the supercurrent. In this Letter…

cond-mat.supr-con2010★ 15 cited

Anomalous Noise in the Pseudogap Regime of YBaCuO

D. S. Caplan, V. Orlyanchik, M. B. Weissman +4

An unusual noise component is found near and below about 250 K in the normal state of underdoped YBCO and Ca-YBCO films. This noise regime, unlike the more typical noise above 250…

cond-mat.supr-con2010★ 1 cited

Alignment of chiral order parameter domains in Sr_{2} RuO_{4} by magnetic field cooling

Francoise Kidwingira, Joel D. Strand, D. J. Van Harlingen +1

Superconductivity in SrRuO is unconventional, believed to be of pairing symmetry. These two degenerate order parameters allow the formation of chiral…

cond-mat.supr-con2007★ 48 cited

Imaging spontaneous currents in superconducting arrays of pi-junctions

Sergey M. Frolov, Micah J. A. Stoutimore, Trevis A. Crane +6

Superconductors separated by a thin tunneling barrier exhibit the Josephson effect that allows charge transport at zero voltage, typically with no phase shift between the supercond…

cond-mat.supr-con2002★ 54 cited

Non-Locality and Strong Coupling in the Heavy Fermion Superconductor CeCoIn: A Penetration Depth Study

Elbert E. M. Chia, D. J. Van Harlingen, M. B. Salamon +3

We report measurements of the magnetic penetration depth in single crystals of CeCoIn down to 0.14 K using a tunnel-diode based, self-inductive technique at 28 MHz.…

cond-mat.supr-con2002★ 20 cited

Critical dynamics of superconducting BSCCO films

K. D. Osborn, D. J. Van Harlingen, Vivek Aji +3

We report on a systematic investigation of the critical fluctuations in the complex conductivity of epitaxially-grown BiSrCaCuO films for ${T \lesssim T_c…

cond-mat.supr-con2001★ 47 cited

Experimental test for subdominant superconducting phases with complex order parameters in cuprate grain boundary junctions

W. K. Neils, D. J. Van Harlingen

We propose and implement a direct experimental test for subdominant superconducting phases with broken time-reversal symmetry in d-wave superconductors. The critical current of 45-…