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cond-mat.mtrl-sci2025
Kinetic energy functional constructed from exact gradient expansion of second order in uniform gas limit
Abhishek Bhattacharjee, Hemanadhan Myneni, Manoj K. Harbola +1
Orbital-Free Density Functional Theory (OFDFT) has re-emerged as a viable alternative to Kohn-Sham DFT, driven by recent advances in kinetic energy density functionals (KEDFs). Non…
physics.chem-ph2025
Localised and Delocalised Charge Distribution in a Diamine Cation and Rydberg Excited State: A Challenging Test for Density Functionals
Benedikt O. Birgisson, Marta Gałyńska, Hemanadhan Myneni +3
The balance between localised and delocalised electron distribution in the N,N'-dimethylpiperazine (DMP) molecule in the 3s Rydberg excited state and in the fully ionised DMP p…