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In order to demonstrate our idea, we have performed EPC calculations for BeB2 within AlB2 structure. We use Be pseudopotential but adopt the atomic mass of Mg to better compare with MgB2. At zero pressure, the resulting λ for BeB2 is 0.89, much larger than that (0.73) of MgB2. Note that the two EPC calculations for BeB2 and MgB2 are performed at nearly identical conditions to have a good comparison.
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In order to demonstrate our idea, we have performed EPC calculations for BeB2 within AlB2 structure. We use Be pseudopotential but adopt the atomic mass of Mg to better compare with MgB2. At zero pressure, the resulting λ for BeB2 is 0.89, much larger than that (0.73) of MgB2. Note that the two EPC calculations for BeB2 and MgB2 are performed at nearly identical conditions to have a good comparison.
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