Magic Gap Ratio for Optimally Robust Fermionic Condensation and Its Implications for Superconductivity

N Harrison, MK Chan - Physical Review Letters, 2022 - APS
Bardeen-Schrieffer-Cooper (BCS) and Bose-Einstein condensation (BEC) occur at opposite
limits of a continuum of pairing interaction strength between fermions. A crossover between …

Granular superconductors for high kinetic inductance and low loss quantum devices

A Glezer Moshe, E Farber, G Deutscher - Applied Physics Letters, 2020 - pubs.aip.org
Granular aluminum is a promising material for high kinetic inductance devices such as qubit
circuits. It has the advantage over atomically disordered materials such as NbN x, to …

Recent advances in the theory of the BCS-BEC crossover for fermionic superfluidity

GC Strinati - Physica C: Superconductivity and its Applications, 2023 - Elsevier
The BCS–BEC crossover realized experimentally with ultra-cold Fermi gases may be
considered as one of the important scientific achievements occurred during the last several …

Microscopic charging and in-gap states in superconducting granular aluminum

F Yang, T Gozlinski, T Storbeck, L Grünhaupt, IM Pop… - Physical Review B, 2020 - APS
We present scanning tunneling microscope (STM) measurements of the local electronic
structure of superconducting granular aluminium films. The STM spectra show a …

Self-heating hotspots in superconducting nanowires cooled by phonon black-body radiation

A Dane, J Allmaras, D Zhu, M Onen… - Nature …, 2022 - nature.com
Controlling thermal transport is important for a range of devices and technologies, from
phase change memories to next-generation electronics. This is especially true in nano-scale …

A review of superconductivity in nanostructures—from nanogranular films to anti-dot arrays

S Bose - Superconductor Science and Technology, 2023 - iopscience.iop.org
Superconductivity in small particles has been studied since the early sixties. A large number
of sample geometries for both one component elemental superconductors and dual …

Granular superconductivity: a playground for Josephson, Anderson, Kondo, and Mott

G Deutscher - Journal of Superconductivity and Novel Magnetism, 2021 - Springer
Granular superconductors were discovered accidentally by the group of Ben Abeles at the
Princeton RCA Laboratories in the 1960s [1]. They found out that aluminum thin films …

Tunneling spectra of unconventional quasi-two-dimensional superconductors

L Pisani, AG Moshe, P Pieri, GC Strinati, G Deutscher - Physical Review B, 2024 - APS
Superfluid condensation can fundamentally be different from that predicted by the Bardeen-
Cooper-Schrieffer (BCS) theory. In a broad class of low-carrier-density superconductors …

[HTML][HTML] Granular aluminum nano-superconducting quantum interference device

S Avraham, S Bachar, A Glezer Moshe… - Applied Physics …, 2023 - pubs.aip.org
Granular aluminum (grAl) is an applied quantum material. We present nano-
superconducting quantum interference devices (nanoSQUIDs) based on grAl thin films …

Superfluid density from magnetic penetration depth measurements in Nb–Cu 3D nano-composite films

C Gupta, P Parab, S Bose - Scientific Reports, 2020 - nature.com
Abstract Superconductivity in 3D Nb–Cu nanocomposite granular films have been studied
with varying thickness for two different compositions, Nb rich with 88 at% of Nb and Cu rich …