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souledge專家顧問 (著名寫手)
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[交流]
【分享】PWscf 4.3正式版發(fā)布 已有8人參與
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軟件及使用 |

專家顧問 (著名寫手)
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專家經(jīng)驗: +174 |
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不過似乎MD更耗時間吧,動不動的幾百步一折騰…… 這幾天看到實驗室一個快畢業(yè)的師兄,用MedeA(D版,只能在XP下支持單核運行……)計算熱力學(xué)數(shù)據(jù),居然只擬合了EOS,然后計算了總能,再加兩個不知道從哪兒來的參數(shù),居然就計算出了Gibbs自由能~ 其中用到的幾個公式?jīng)]有見過,但是至少知道有一個公式用的不對~估計是翻別人熱力學(xué)、統(tǒng)計熱力學(xué)相關(guān)的論文拼出來的一個個的公式吧……總感覺怪怪的,似乎從頭算的人都是在用聲子對熱力學(xué)數(shù)據(jù)進行計算吧,或者就干脆MD…… |

專家顧問 (著名寫手)
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專家經(jīng)驗: +174 |

金蟲 (著名寫手)
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今天受到了Paolo在mailist里面的信,給大家看看,了解一下新功能。Paolo私下告訴我下一步Pwscf發(fā)展的重點就是分子動力學(xué),到時候會把最近的分子動力學(xué)進展比如langevin molecular dynamics加進去。 Version 4.3 of the Quantum ESPRESSO distribution is available for download from the website http://www.quantum-espresso.org . This release contains the following improvements over previous versions: * vdW-DF - Dispersion interactions (van der Waals) with nonlocal functional in PWscf (Brian Kolb, Timo Thonhauser, Riccardo Sabatini, SdG) * New package TDDFPT for calculations of spectra using Time-Dependent Density-Functional Perturbation Theory (SB, Ralph Gebauer, Baris Malcioglu, Dario Rocca, Brent Walker) * Additions to projwfc: k-resolved DOS, LDOS integrated in selected real-space regions * Constant-volume variable-cell optimization * Non-colinear and spin-orbit PAW * CP only, experimental: parallelization over Kohn-Sham states * CP only, experimental: penalty functional technique in DFT+U calculations Note the following major change: * code pw.x no longer performs NEB calculations. NEB is now computed by a separate code, NEB/neb.x . NEB-specific variables are no longer read by pw.x; they are read by neb.x after all pw.x variables * NEB for cp.x no longer available For other minor improvements, changes, bug fixes, see file Doc/release-notes Everybody who is using the Quantum-ESPRESSO distribution is encouraged to upgrade and to report problems to the mailing list. The Quantum ESPRESSO group |
金蟲 (著名寫手)
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