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xirainbow

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[交流] 【分享】ESPRESSO小组刚写的总结性文章 已有3人参与

6月25号ESPRESSO刚刚写好的文章,投到Journal of physics:Condenced Matter了,还没有正式发表呢;P    大家先睹为快吧;)
     估计以后用ESPRESSO发文章,就需要引这篇文献了;)

申请加精;P

大家看完后有什么感想,有空来聊聊吧;P

[ Last edited by xirainbow on 2009-7-20 at 11:28 ]
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xirainbow

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★ ★ ★
wuchenwf(金币+3,VIP+0):谢谢回帖交流 7-24 00:43
我先起个头:)

摘要的第一句是:QUANTUM ESPRESSO is an integrated suite of computer codes for electronic-structure calculations and materials modeling, based on density-functional theory, plane waves, and pseudopotentials (norm-conserving, ultrasoft, and projector-augmented wave).


可是我从没听说,在它提供的赝势库中也没见过ESPRESSO使用过PAW?

[ Last edited by xirainbow on 2009-7-19 at 19:18 ]
2楼2009-07-19 19:16:03
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totem

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小木虫(金币+0.5):给个红包,谢谢回帖交流
fegg7502(金币+1,VIP+0):thank you very much! 7-19 21:06
I think it means people can DIY PAW albeit it is difficult.
3楼2009-07-19 20:25:51
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y1ding

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小木虫(金币+0.5):给个红包,谢谢回帖交流
zxzj05(金币+1,VIP+0):3Q! ^_^ 鼓励讨论! 7-21 16:45
4楼2009-07-20 08:30:24
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六198

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下载还需要金币,
穷理求真真贯纵横皆入咏致知格物物含妙理总堪寻
5楼2009-07-20 08:34:10
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hakuna

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小木虫(金币+0.5):给个红包,谢谢回帖交流
QUANTUM ESPRESSO似乎人丁兴旺声势浩大啊,看来的确得好好研究研究这个DD了
6楼2009-07-20 10:54:49
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nuaa8222

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小木虫(金币+0.5):给个红包,谢谢回帖交流
QUANTUM ESPRESSO 这个软件没用过……
7楼2009-07-20 16:48:40
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xirainbow

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★ ★
yjr(金币+1,VIP+0):谢谢!! 7-21 05:44
wuli8(金币+1,VIP+0):3ks 7-23 21:59
由于ESPRESSO是开源的,因此有很多小组基于ESPRESSO分别编写自己的程序,用以拓宽ESPRESSO的计算范围。
        此文中列举了几个小组的工作At the time of the writing of the present paper, third-party scientific software available to the QUANTUM ESPRESSO users’ community include: yambo, a general-purpose code for excited-state calculations within many-body perturbation theory [166]; casino, a code for electronic-structure quantum Monte Carlo simulations [152]; want, a code for the simulation of ballistic transport in nanostructures, based on Wannier functions [167]; xcrysden, a molecular graphics application, especially suited for periodic structures [150]. The qe-forge portal is expected to burst the production and availability of third-party software compatible with QUANTUM ESPRESSO. Among the projects already available, or soon-to-be available, on qe-forge, we mention: SaX [154], an open-source project implementing state-of-the-art many-body perturbation theory methods for excited states; dmft [153], a code to perform Dynamical Mean-Field Theory calculations on top of a tight-binding representation of the DFT band structure; qha, a set of codes for calculating thermal properties of materials within the quasiharmonic approximation [168]; pwtk, a fully functional Tcl scripting interface to PWscf [169].

[ Last edited by xirainbow on 2009-7-20 at 22:07 ]
8楼2009-07-20 22:01:47
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xirainbow

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wuli8(金币+2,VIP+0):3ks 7-23 21:59
ESPRESSO下一步的发展重点在于: 一、激发态,二、GW方法(应该是格林函数方法)。我对第二个最为期待:)
        Abinit 软件已经可以用GW方法计算激发态了,目前的ESPRESSO版本可以使用GW方法计算么?这个我不清楚,知道的给个答案:)
         Many of the soon-to-come additions will deal with excited-state calculations within timedependent DFT (TDDFT [158, 159]) and/or many-body perturbation theory [160]. A new approach to the calculation of optical spectra within TDDFT has been recently developed [161], based on a finite-frequency generalization of densityfunctional perturbation theory [54, 55], and implemented in QUANTUM ESPRESSO. Another important development presently under way is an efficient implementation of GWcalculations for large systems (whose size is of the order of a few hundreds inequivalent atoms) [162]. The implementation of efficient algorithms for calculating correlation energies at the RPA level is also presently under way [163, 164, 165]. It is foreseen that by the time this paper will appear, many of these developments will be publicly released.

[ Last edited by xirainbow on 2009-7-20 at 22:08 ]
9楼2009-07-20 22:04:11
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condensed

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zxzj05(金币+1,VIP+0):3Q! ^_^ 鼓励讨论! 7-21 16:46
据我所知,目前的ESPRESSO版本不可以使用GW方法。
10楼2009-07-21 07:24:03
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