Quantum breakdown of superconductivity in low-dimensional materials

B Sacépé, M Feigel'man, TM Klapwijk - Nature Physics, 2020 - nature.com
In order to understand the emergence of superconductivity it is useful to study the reverse
process and identify the various pathways that lead to its destruction. One way is to increase …

Single-electron current sources: Toward a refined definition of the ampere

JP Pekola, OP Saira, VF Maisi, A Kemppinen… - Reviews of Modern …, 2013 - APS
The control of electrons at the level of the elementary charge e was demonstrated
experimentally already in the 1980s. Ever since, the production of an electrical current ef, or …

Engineered disorder in CO2 photocatalysis

Z Li, C Mao, Q Pei, PN Duchesne, T He, M Xia… - Nature …, 2022 - nature.com
Light harvesting, separation of charge carriers, and surface reactions are three fundamental
steps that are essential for an efficient photocatalyst. Here we show that these steps in the …

Gate-controlled BCS-BEC crossover in a two-dimensional superconductor

Y Nakagawa, Y Kasahara, T Nomoto, R Arita, T Nojima… - Science, 2021 - science.org
Bardeen-Cooper-Schrieffer (BCS) superfluidity and Bose-Einstein condensation (BEC) are
the two extreme limits of the ground state of the paired fermion systems. We report crossover …

State with spontaneously broken time-reversal symmetry above the superconducting phase transition

V Grinenko, D Weston, F Caglieris, C Wuttke, C Hess… - Nature Physics, 2021 - nature.com
The most well-known example of an ordered quantum state—superconductivity—is caused
by the formation and condensation of pairs of electrons. Fundamentally, what distinguishes …

Quantum algorithms to simulate many-body physics of correlated fermions

Z Jiang, KJ Sung, K Kechedzhi, VN Smelyanskiy… - Physical Review …, 2018 - APS
Simulating strongly correlated fermionic systems is notoriously hard on classical computers.
An alternative approach, as proposed by Feynman, is to use a quantum computer. We …

Coherent quantum phase slip

OV Astafiev, LB Ioffe, S Kafanov, YA Pashkin… - Nature, 2012 - nature.com
A hundred years after the discovery of superconductivity, one fundamental prediction of the
theory, coherent quantum phase slip (CQPS), has not been observed. CQPS is a …

Cuprate superconductors as viewed through a striped lens

JM Tranquada - Advances in Physics, 2020 - Taylor & Francis
Understanding the electron pairing in hole-doped cuprate superconductors has been a
challenge, in particular because the “normal” state from which it evolves is unprecedented …

Bose-Einstein condensation in quantum magnets

V Zapf, M Jaime, CD Batista - Reviews of Modern Physics, 2014 - APS
This article reviews experimental and theoretical work on Bose-Einstein condensation in
quantum magnets. These magnets are natural realizations of gases of interacting bosons …

Disorder-induced multifractal superconductivity in monolayer niobium dichalcogenides

K Zhao, H Lin, X Xiao, W Huang, W Yao, M Yan… - Nature Physics, 2019 - nature.com
The interplay between disorder and superconductivity is a subtle and fascinating
phenomenon in quantum many-body physics. Conventional superconductors are insensitive …