Theoretical Studies of Anisotropic Melting of Ice Induced by Ultrafast Nonthermal Heating
Ibrahim Dawod,
Kajwal Patra,
Sebastian Cardoch
et al.
Abstract:Water and ice are routinely studied with X-rays to reveal their diverse structures and anomalous properties. We employ a hybrid collisional-radiative/molecular-dynamics method to explore how femtosecond X-ray pulses interact with hexagonal ice. We find that ice makes a phase transition into a crystalline plasma where its initial structure is maintained up to tens of femtoseconds. The ultrafast melting process occurs anisotropically, where different geometric configurations of the structure melt on different ti… Show more
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