Planetary magnetic fields

DJ Stevenson - Reports on Progress in Physics, 1983 - iopscience.iop.org
As a consequence of the smallness of the electronic fine structure constant, the
characteristic time scale for the free diffusive decay of a magnetic field in a planetary core is …

Experimental evidence for superionic water ice using shock compression

M Millot, S Hamel, JR Rygg, PM Celliers, GW Collins… - Nature Physics, 2018 - nature.com
In stark contrast to common ice, I h, water ice at planetary interior conditions has been
predicted to become superionic with fast-diffusing (that is, liquid-like) hydrogen ions moving …

i-PI: A Python interface for ab initio path integral molecular dynamics simulations

M Ceriotti, J More, DE Manolopoulos - Computer Physics Communications, 2014 - Elsevier
Recent developments in path integral methodology have significantly reduced the
computational expense of including quantum mechanical effects in the nuclear motion in ab …

Structure and properties of two superionic ice phases

VB Prakapenka, N Holtgrewe, SS Lobanov… - Nature Physics, 2021 - nature.com
In the phase diagram of water, superionic ices with highly mobile protons within the stable
oxygen sublattice have been predicted at high pressures. However, the existence of …

Superionic and metallic states of water and ammonia at giant planet conditions

C Cavazzoni, GL Chiarotti, S Scandolo, E Tosatti… - Science, 1999 - science.org
The phase diagrams of water and ammonia were determined by constant pressure ab initio
molecular dynamic simulations at pressures (30 to 300 gigapascal) and temperatures (300 …

New developments in the physical chemistry of shock compression

DD Dlott - Annual review of physical chemistry, 2011 - annualreviews.org
This review discusses new developments in shock compression science with a focus on
molecular media. Some basic features of shock and detonation waves, nonlinear excitations …

Equations of state valid continuously from zero to extreme pressures for H2O and CO2

KS Pitzer, SM Sterner - The Journal of chemical physics, 1994 - pubs.aip.org
A new form of equation of state is proposed for use over extremely wide ranges of pressure
where conventional equations fail. In particular, fluids including H2O and CO2 as well as …

Magnetic fields at Uranus

NF Ness, MH Acuña, KW Behannon, LF Burlaga… - Science, 1986 - science.org
The magnetic field experiment on the Voyager 2 spacecraft revealed a strong planetary
magnetic field of Uranus and an associated magnetosphere and fully developed bipolar …

A fundamental equation for water covering the range from the melting line to 1273 K at pressures up to 25 000 MPa

A Saul, W Wagner - Journal of Physical and Chemical Reference Data, 1989 - pubs.aip.org
In order to represent the thermodynamic properties of water (H2O) over an extremely large
range of temperature and pressure that is not covered by existing equations of state, a new …

Extended and accurate determination of the melting curves of argon, helium, ice and hydrogen

F Datchi, P Loubeyre, R LeToullec - Physical Review B, 2000 - APS
The melting curves of argon, helium 4, ice (H 2 O), and hydrogen (H 2) have been measured
from room temperature up to a maximum temperature of 750 K. This extends the previous …