Curved graphene: A possible answer to the problem of graphene's diverging magnetic susceptibility

AJ Espinosa-Champo, GG Naumis, P Castro-Villarreal - Physical Review B, 2024 - APS
A study of curved graphene in the presence and absence of a real magnetic field is
conducted to determine the magnetization and magnetic susceptibility. Utilizing a Dirac …

Magnetic properties of graphene quantum dots

T Espinosa-Ortega, IA Luk'Yanchuk, YG Rubo - Physical Review B …, 2013 - APS
Using the tight-binding approximation we calculated the diamagnetic susceptibility of
graphene quantum dots (GQDs) of different geometrical shapes and characteristic sizes of 2 …

Antiferromagnetic Spin Fluctuations and Unconventional Superconductivity in Topological Superconductor Candidate YPtBi Revealed by -NMR

YZ Zhou, J Chen, ZX Li, J Luo, J Yang, YF Guo… - Physical Review Letters, 2023 - APS
We report Pt 195 nuclear magnetic resonance (NMR) measurements on topological
superconductor candidate YPtBi, which has broken inversion symmetry and topological …

Magnetic susceptibility of graphene in non-commutative phase-space: Extensive and non-extensive entropy

R Khordad, HR Rastegar Sedehi - The European Physical Journal Plus, 2019 - Springer
In this work, we consider a non-commutative description of graphene. We have employed
extensive and non-extensive entropies to study magnetic susceptibility of graphene in non …

Landau diamagnetism and Weyl-fermion excitations in TaAs revealed by NMR and NQR

CG Wang, Y Honjo, LX Zhao, GF Chen, K Matano… - Physical Review B, 2020 - APS
The electronic and superconducting properties associated with the topologically nontrivial
bands in Weyl semimetals have recently attracted much attention. We report the microscopic …

The influence of a magnetic field on Shannon entropy and thermal properties in graphene

ARP Moreira, PO Amadi, R Horchani, AN Ikot… - Chinese Journal of …, 2024 - Elsevier
We conducted an investigation into the impact of an external magnetic field on graphene
under two proposed conditions: a constant magnetic field (ω), and a field characterized by …

Optical conductivity of curved graphene

AJ Chaves, T Frederico, O Oliveira… - Journal of Physics …, 2014 - iopscience.iop.org
We compute the optical conductivity for an out-of-plane deformation in graphene using an
approach based on solutions of the Dirac equation in curved space. Different examples of …

Thermally stable quantum Hall effect in a gated ferroelectric-graphene heterostructure

A Dey, N Cottam, O Makarovskiy, W Yan… - Communications …, 2023 - nature.com
The quantum Hall effect is widely used for the investigation of fundamental phenomena,
ranging from topological phases to composite fermions. In particular, the discovery of a room …

Dirac fermion time-Floquet crystal: manipulating Dirac points

P Rodriguez-Lopez, JJ Betouras, SE Savel'ev - Physical Review B, 2014 - APS
We demonstrate how to control the spectra and current flow of Dirac electrons in both a
graphene sheet and a topological insulator (TI) by applying either two linearly polarized …

Magnetizations and de Haas-van Alphen oscillations in massive Dirac fermions

FR Pratama, MS Ukhtary, R Saito - Physical Review B, 2021 - APS
We theoretically study magnetic field, temperature, and energy band-gap dependences of
magnetizations in the Dirac fermions. We use the zeta function regularization to obtain …