Molecular quantum materials: electronic phases and charge dynamics in two-dimensional organic solids

M Dressel, S Tomić - Advances in physics, 2020 - Taylor & Francis
This review provides a perspective on recent developments and their implications for our
understanding of novel quantum phenomena in the physics of two-dimensional organic …

Dielectric catastrophe at the Wigner-Mott transition in a moiré superlattice

Y Tang, J Gu, S Liu, K Watanabe, T Taniguchi… - Nature …, 2022 - nature.com
Abstract The bandwidth-tuned Wigner-Mott transition is an interaction-driven phase
transition from a generalized Wigner crystal to a Fermi liquid. Because the transition is …

Ingredients for Generalized Models of κ-Phase Organic Charge-Transfer Salts: A Review

K Riedl, E Gati, R Valentí - Crystals, 2022 - mdpi.com
The families of organic charge-transfer salts κ-(BEDT-TTF) 2 X and κ-(BETS) 2 X, where
BEDT-TTF and BETS stand for the organic donor molecules C 10 H 8 S 8 and C 10 H 8 S 4 …

Spectral function of the Heisenberg model on the triangular lattice

NE Sherman, M Dupont, JE Moore - Physical Review B, 2023 - APS
Spectral probes, such as neutron scattering, are crucial for characterizing excitations in
quantum many-body systems and the properties of quantum materials. Among the most …

Chemical tuning of molecular quantum materials κ-[(BEDT-TTF) 1− x (BEDT-STF) x] 2 Cu 2 (CN) 3: from the Mott-insulating quantum spin liquid to metallic Fermi liquid

Y Saito, R Rösslhuber, A Löhle, MS Alonso… - Journal of Materials …, 2021 - pubs.rsc.org
The electronic properties of molecular conductors can be readily varied via physical or
chemical pressure as it enlarges the bandwidth W. This enables them to cross the Mott …

Higgs-like stiffness and fractons on the verge of phase transitions

L Squillante, AC Seridonio, RE Lagos-Monaco… - arXiv preprint arXiv …, 2024 - arxiv.org
In condensed matter Physics, massive longitudinal Higgs modes emerge from fluctuations of
the order parameter. A few years ago, the Higgs mode was\emph {caught} experimentally in …

Pressure-induced insulator-to-metal transition in the quantum spin liquid candidate lithium ytterbium diselenide

H Wang, L Shi, S Huyan, GC Jose, B Lavina… - Cell Reports Physical …, 2024 - cell.com
Metallization of quantum spin liquid (QSL) materials has long been considered as a
potential route toward unconventional superconductivity. Here, we investigate the …

Giant caloric effects close to any critical end point

L Squillante, IF Mello, AC Seridonio… - Materials Research …, 2021 - Elsevier
The electrocaloric (EC) effect, ie, the reversible temperature change due to adiabatic
variations of the electric field, is of great interest due to its potential technological …

Charge imbalance in and their interplay with superconductivity

O Iakutkina, E Uykur, T Kobayashi, A Kawamoto… - Physical Review B, 2021 - APS
The two-dimensional organic superconductor λ-(BETS) 2 GaCl 4 exhibits pronounced
charge fluctuations below T≈ 150 K, in contrast to the sibling compound κ-(BETS) 2 GaCl 4 …

Persistence of fermionic spin excitations through a genuine Mott transition in -type organics

S Imajo, N Kato, RJ Marckwardt, E Yesil, H Akutsu… - Physical Review B, 2022 - APS
We investigate the continuous variation of electronic states from a Fermi liquid to a quantum
spin liquid induced by chemical substitution in the organic dimer-Mott system of κ-[(BEDSe …