The Lennard-Jones potential revisited: Analytical expressions for vibrational effects in cubic and hexagonal close-packed lattices

P Schwerdtfeger, A Burrows… - The Journal of Physical …, 2021 - ACS Publications
Analytical formulas are derived for the zero-point vibrational energy and anharmonicity
corrections of the cohesive energy and the mode Grüneisen parameter within the Einstein …

Grüneisen parameter as an entanglement compass and the breakdown of the Hellmann-Feynman theorem

L Squillante, LS Ricco, AM Ukpong, RE Lagos-Monaco… - Physical Review B, 2023 - APS
The Grüneisen ratio Γ, ie, the singular part of the ratio of thermal expansion to the specific
heat, has been broadly employed to explore both finite T and quantum critical points (QCPs) …

Griffiths-like phase close to the Mott transition

IF Mello, L Squillante, GO Gomes… - Journal of Applied …, 2020 - pubs.aip.org
We explore the coexistence region in the vicinity of the Mott critical end point employing a
compressible cell spin-1/2 Ising-like model. We analyze the case for the spin-liquid …

Analytical results for the unusual Grüneisen ratio in the quantum Ising model with Dzyaloshinskii-Moriya interaction

Q Luo - Physical Review B, 2022 - APS
The Grüneisen ratio (GR) has emerged as a superb tool for the diagnosis of quantum phase
transitions; it diverges algebraically upon approaching critical points of continuous phase …

Grüneisen approach for universal scaling of the Brillouin shift in gases

K Liang, J Xu, Y Wang, HF Lü… - New Journal of …, 2022 - iopscience.iop.org
A Grüneisen relationship is defined for gases, following the formulation of the original
microscopic Grüneisen ratio γ=(d ln ω)/(d ln V) for solids. In the case of gases acoustic …

Enhanced Grüneisen parameter in supercooled water

G O. Gomes, HE Stanley, M Souza - Scientific Reports, 2019 - nature.com
We use the recently-proposed compressible cell Ising-like model to estimate the ratio
between thermal expansivity and specific heat (the Grüneisen parameter Γ s) in supercooled …

Magnetic Grüneisen parameter for model systems

GO Gomes, L Squillante, AC Seridonio, A Ney… - Physical Review B, 2019 - APS
The magnetocaloric effect (MCE), which is the refrigeration based on the variation of the
magnetic entropy, is of great interest in both technological applications and fundamental …

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 …

[HTML][HTML] Exploring the expansion of the universe using the Grüneisen parameter

L Squillante, GO Gomes, IF Mello, G Nogueira… - Results in Physics, 2024 - Elsevier
For a perfect fluid, pressure p and energy density ρ are related via the equation of state
(EOS) ω= p/ρ, where ω is the EOS parameter, being its interpretation usually constrained to …

Cellular Griffiths-like phase

L Squillante, IF Mello, LS Ricco, MF Minicucci… - Heliyon, 2024 - cell.com
Protein compartmentalization in the frame of a liquid-liquid phase separation is a key
mechanism to optimize spatiotemporal control of biological systems. Such a …