Cooper pairing, flat-band superconductivity, and quantum geometry in the pyrochlore-Hubbard model
M Iskin - Physical Review B, 2024 - APS
We investigate the impacts of the quantum geometry of Bloch states, specifically through the
band-resolved quantum-metric tensor, on Cooper pairing and flat-band superconductivity in …
band-resolved quantum-metric tensor, on Cooper pairing and flat-band superconductivity in …
Superconducting magnetoelectric effects in mesoscopic hybrid structures
M Tanhayi Ahari, Y Tserkovnyak - Physical Review B, 2024 - APS
In superconductors that lack inversion symmetry, a supercurrent flow can lead to
nondissipative magnetoelectric effects. We offer a straightforward formalism to obtain a …
nondissipative magnetoelectric effects. We offer a straightforward formalism to obtain a …
Coherence length and quantum geometry in a dilute flat-band superconductor
M Iskin - Physical Review B, 2024 - APS
To explore the influence of quantum-geometric effects on the Ginzburg-Landau coherence
length in a dilute flat-band superconductor, we adopt a BCS-BEC crossover approach to the …
length in a dilute flat-band superconductor, we adopt a BCS-BEC crossover approach to the …
Quantum Geometric Effects on the Higgs Mode in Flat-band Superconductors
Y Xiao, N Hao - arXiv preprint arXiv:2409.10891, 2024 - arxiv.org
Flat-band systems are of great interest due to their strong electron correlations and unique
band geometry. Recent studies have linked the properties of Cooper pairs in flat-band …
band geometry. Recent studies have linked the properties of Cooper pairs in flat-band …
Superconducting magnetoelectric effects in mesoscopic hybrid structures
MT Ahari, Y Tserkovnyak - arXiv preprint arXiv:2404.15553, 2024 - arxiv.org
In superconductors that lack inversion symmetry, a supercurrent flow can lead to
nondissipative magnetoelectric effects. We offer a straightforward formalism to obtain a …
nondissipative magnetoelectric effects. We offer a straightforward formalism to obtain a …
Berry monopoles and divergent quantum metric in systems with non-integer band dispersion
JOA Biscocho, KHA Villegas - arXiv preprint arXiv:2410.14213, 2024 - arxiv.org
We investigate the quantum geometric tensor, which is comprised of the Berry curvature and
quantum metric, in a generalized Dirac two-band system with non-integer dispersion, $ E …
quantum metric, in a generalized Dirac two-band system with non-integer dispersion, $ E …
Band quantum geometry and electronic correlations
F Simon - 2024 - theses.hal.science
Two pillars of contemporary condensed matter physics research are correlated matter and
topological matter, with its underlier quantum geometry. The physics of materials whose …
topological matter, with its underlier quantum geometry. The physics of materials whose …