宽宏大量
发表于 2025-3-25 05:21:12
http://reply.papertrans.cn/93/9261/926058/926058_21.png
macrophage
发表于 2025-3-25 10:28:33
Simpler Uses of Group TheoryTo exemplify Group theory methods, I present LCAO calculations of molecular orbitals for simple molecules starting with a minimal basis set (only the atomic orbitals which are most directly involved in covalent bonding) neglecting overlap.
垫子
发表于 2025-3-25 12:02:31
http://reply.papertrans.cn/93/9261/926058/926058_23.png
orthopedist
发表于 2025-3-25 19:53:30
http://reply.papertrans.cn/93/9261/926058/926058_24.png
轻快带来危险
发表于 2025-3-25 23:31:59
https://doi.org/10.1007/978-3-540-70727-1Condensed matter; Helium-Atom-Streuung; Mathematical techniques; REM; Solid State physics; Theory; UPS
带伤害
发表于 2025-3-26 03:44:45
http://reply.papertrans.cn/93/9261/926058/926058_26.png
anagen
发表于 2025-3-26 07:40:47
Group Representations for Physicistsoup Theory that should be known by Condensed Matter theorists using a physical language and building on what the readers know already about quantum mechanical operators. In this Section, however, we need to introduce some abstract mathematical definitions.
贸易
发表于 2025-3-26 11:59:02
Equations of Motion and Further Developmentslems. Using the many-body Hamiltonian (1.63) one readily obtains . with all the operators in the Heisenberg representation (. is a first-quantized one-body operator), with the notation . = (., .). We multiply on the left by .(.) and perform an interacting ground state average:
HAUNT
发表于 2025-3-26 14:37:07
http://reply.papertrans.cn/93/9261/926058/926058_29.png
Infantry
发表于 2025-3-26 19:56:01
of the process. Indeed, it is a characteristic of Western culture that it puts less emphasis on the process than on the form it creates (see Bohm; Whorf). Following Gregory Bateson, development always alternates between process and form. When the process of specification comes up with axioms definin