Tracing the main elements and electron orbitals that induce superconducting phase transition
EPL(2021)
Abstract
The experimental determination of the superconducting transition requires the observation of the emergence of a zero-resistance and perfect diamagnetism state. Based on the close relationship between superconducting transition temperature (T-c) and electron density of states (DOS), we take two typical superconducting materials Hg and ZrTe3 as samples and calculate their DOS vs. temperature under different pressures by using the first-principle molecular dynamics simulations. According to the analysis of the calculation results, the main contributors that induce superconducting transitions are deduced by tracing the variation of partial density of states near T-c. The microscopic mechanism of pressure induced increasing T-c is further analyzed. Copyright (C) 2021 EPLA
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Key words
phase transition,electron orbitals,main elements
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