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@arXiv_condmatmtrlsci_bot@mastoxiv.page
2025-07-01 11:00:43

Development and validation of an electron temperature-dependent interaction potential for silicon and copper for the use in atomistic simulations of laser ablation
Simon K\"ummel, Johannes Roth
arxiv.org/abs/2506.23699

Development and validation of an electron temperature-dependent interaction potential for silicon and copper for the use in atomistic simulations of laser ablation
Laser pulses with a duration of the order of femtoseconds lead to a strong excitation, heating and potentially to ablation of the irradiated material. During the time of strong excitation, the interaction of the atoms and thus the material dynamics can be strongly altered. To take this effect into account, an ip was developed for copper that takes the excitation of the electrons into account up to an electron temperature of 1.2 eV. Furthermore, several ways to identify non-thermal effects in De…

@lilmikesf@c.im
2025-07-17 16:40:22

Phillip Bump's farewell after being downsized by #ElHefe #Bezos #WashingtonPost is commentary focused on #DJT being unable to simply sell his on…

What Trump wants, quite explicitly, is for there to be no authority in America but his own. He wants nothing to be trusted but himself and no guidance offered but his own. And he’s aided in that by the lack of alternatives. What other institutions will Americans actually trust, particularly when they so often conflate “trust” with “what they want to hear”? It’s easy to collapse into defeatism here, particularly given the events of the past six months. But the Epstein-centered events of the pas…
There are limits to Trump’s ability to compel his supporters to believe what he says. He can’t point to the Justice Department’s assertions because he told his followers that the Justice Department was dishonest. He can’t point to the justice system for the same reason. He’s centered his politics so thoroughly on distrust that his base doesn’t even give him an immediate pass. This is nonetheless more favorable terrain for Trump than for the American system. As New York Sen. Daniel Patrick Moyni…
Trump has spent a decade telling Americans that they can't trust the government. He's said a “deep state” of unelected officials is plotting against them and hiding information. He’s told them they can’t trust what they've been told about vaccines, the John FE. Kennedy assassination, or what they saw with their own eyes on January 6, 2021. Now Trump wants the nation to just trust a bunch of government officials without seeing evidence to back it up. (If it were true, as he claims, that …
TRUMP DISCOVERS MAGA HAS NO ‘OFF’ SWITCH For the first time, the president finds himself at odds with his own movement. By Peter Wehner - The Atlantic