Light elements in the Earth's core

K Hirose, B Wood, L Vočadlo - Nature Reviews Earth & Environment, 2021 - nature.com
Constraining the core's composition is essential for understanding Earth accretion, core
formation and the sustainment of Earth's magnetic field. Earth's outer and inner core exhibit …

Thermal conductivity of materials under pressure

Y Zhou, ZY Dong, WP Hsieh, AF Goncharov… - Nature Reviews …, 2022 - nature.com
The thermal conductivities of materials are extremely important for many practical
applications, such as in understanding the thermal balance and history of the Earth, energy …

Snowball Earth climate dynamics and Cryogenian geology-geobiology

PF Hoffman, DS Abbot, Y Ashkenazy, DI Benn… - Science …, 2017 - science.org
Geological evidence indicates that grounded ice sheets reached sea level at all latitudes
during two long-lived Cryogenian (58 and≥ 5 My) glaciations. Combined uranium-lead and …

Melting of iron at Earth's inner core boundary based on fast X-ray diffraction

S Anzellini, A Dewaele, M Mezouar, P Loubeyre… - Science, 2013 - science.org
Earth's core is structured in a solid inner core, mainly composed of iron, and a liquid outer
core. The temperature at the inner core boundary is expected to be close to the melting point …

Sustaining Earth's magnetic dynamo

M Landeau, A Fournier, HC Nataf, D Cébron… - Nature Reviews Earth & …, 2022 - nature.com
Earth's magnetic field is generated by fluid motions in the outer core. This geodynamo has
operated for over 3.4 billion years. However, the mechanism that has sustained the …

Achieving DFT accuracy with a machine-learning interatomic potential: Thermomechanics and defects in bcc ferromagnetic iron

D Dragoni, TD Daff, G Csányi, N Marzari - Physical Review Materials, 2018 - APS
We show that the Gaussian Approximation Potential (GAP) machine-learning framework can
describe complex magnetic potential energy surfaces, taking ferromagnetic iron as a …

Direct measurement of thermal conductivity in solid iron at planetary core conditions

Z Konôpková, RS McWilliams, N Gómez-Pérez… - Nature, 2016 - nature.com
The conduction of heat through minerals and melts at extreme pressures and temperatures
is of central importance to the evolution and dynamics of planets. In the cooling Earth's core …

Experimental determination of the electrical resistivity of iron at Earth's core conditions

K Ohta, Y Kuwayama, K Hirose, K Shimizu, Y Ohishi - Nature, 2016 - nature.com
Earth continuously generates a dipole magnetic field in its convecting liquid outer core by a
self-sustained dynamo action. Metallic iron is a dominant component of the outer core, so its …

Fault-tolerant quantum simulation of materials using Bloch orbitals

NC Rubin, DW Berry, FD Malone, AF White, T Khattar… - PRX Quantum, 2023 - APS
The simulation of chemistry is among the most promising applications of quantum
computing. However, most prior work exploring algorithms for block encoding, time evolving …

Composition and state of the core

K Hirose, S Labrosse, J Hernlund - Annual Review of Earth and …, 2013 - annualreviews.org
The composition and state of Earth's core, located deeper than 2,900 km from the surface,
remain largely uncertain. Recent static experiments on iron and alloys performed up to inner …