LAVA
发表于 2025-3-23 11:22:37
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信任
发表于 2025-3-23 15:22:31
0081-3869 dent Schröedinger equation. In addition, the third-order nonlinear optical response of condensed matter is also described..978-3-030-11926-3978-3-030-11924-9Series ISSN 0081-3869 Series E-ISSN 1615-0430
间谍活动
发表于 2025-3-23 19:57:06
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Nomogram
发表于 2025-3-23 22:32:21
Springer Tracts in Modern Physicshttp://image.papertrans.cn/q/image/781398.jpg
Hemiplegia
发表于 2025-3-24 05:11:00
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Priapism
发表于 2025-3-24 09:06:53
Time Evolution of Quantum State,used to represent a quantum state. Time evolution of the quantum state is expressed by using three ways: Schrödinger picture, Heisenberg picture, and interaction picture. Perturbation expansion of a time-dependent ket vector is explained for the interaction picture.
gnarled
发表于 2025-3-24 11:35:55
Density Operator,e density operator can represent both a pure quantum state and a mixed state. The von Neumann equation for the time evolution of the density operator is derived. The perturbative expansion of its time evolution is explained and represented with double-sided Feynman diagrams. Time evolution in a two-level system is shown as an example.
脆弱么
发表于 2025-3-24 16:16:40
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煤渣
发表于 2025-3-24 19:47:59
Coherent Phonons: Quantum Theory,l. Two electronic states coupled with displaced harmonic oscillators, which represent phonons, are used. The dipole interaction between an optical pulse and the system is assumed and treated as a perturbation interaction. Time evolution of the density operator is calculated using the second-order perturbation approximation.
罗盘
发表于 2025-3-25 01:34:53
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