標題: Titlebook: Aspects of Many-Body Effects in Molecules and Extended Systems; Proceedings of the W D. Mukherjee Conference proceedings 1989 Springer-Verl [打印本頁] 作者: 使委屈 時間: 2025-3-21 19:21
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems影響因子(影響力)
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems影響因子(影響力)學科排名
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems網(wǎng)絡公開度
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems網(wǎng)絡公開度學科排名
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems被引頻次
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems被引頻次學科排名
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems年度引用
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems年度引用學科排名
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems讀者反饋
書目名稱Aspects of Many-Body Effects in Molecules and Extended Systems讀者反饋學科排名
作者: 蹣跚 時間: 2025-3-21 23:15
Local Security Systems in Somali East Africa particles) or in Fock space (where operators act on the occupation numbers of spin orbitals). The representation of operators in Fock space (often also referred to as occupation number representation or 2. quantization) is essentially equivalent to the representation in configuration space, it is, 作者: entice 時間: 2025-3-22 03:15
https://doi.org/10.1057/9780230605572ctrons in the system. This so called “size extensivity” (SE) problem causes truncated CI energies (e.g., those which include all excitations up through some specified level) energies to be of questionable value, for example, in computing thermodynamic energy differences such as chemical reaction ene作者: MUTED 時間: 2025-3-22 05:12 作者: 讓步 時間: 2025-3-22 11:14 作者: 花爭吵 時間: 2025-3-22 14:44
https://doi.org/10.1007/978-3-658-03762-8xcitation energies (EE) of CH.. The model space for the IP/EA calculations consists of determinants where an electron out of an active set of orbitals has been removed/added to an RHF determinant. For the EE calculation the model space is constructed from all particle-hole excitations obtained from 作者: 喃喃訴苦 時間: 2025-3-22 20:22 作者: 有限 時間: 2025-3-22 22:42
Lina Spirgiene R.N., Ph.D.,Louise Brentces [2] for a variety of systems of chemical interest. The underlying theoretical strategy in the MBPT is the partition of the space of basis functions into a model space and a virtual space, and the generation of an effective hamiltonian H., which acts on the model space and furnishes N eigenvalues作者: LAITY 時間: 2025-3-23 04:16
https://doi.org/10.1007/978-3-031-33484-9sure the response of the system or the probe. The probabilities for a particular change to occur are reflected in the intensities of associated spectral lines or bands. There is then no surprise that the natural theoretical tools for the treatment of spectroscopy are response functions and propagato作者: RAFF 時間: 2025-3-23 07:30 作者: 火花 時間: 2025-3-23 12:36
https://doi.org/10.1007/978-3-319-66572-6 in the direct calculation of ionization energies and eleotron affinities needs no further mention. The energy and width of elctron scattering resonances may be associated with electron affinity and ionization energy where the electron attachment/removal involves a metastable state.作者: Brochure 時間: 2025-3-23 16:08
Bone Mass Distribution in the Sacrumndent condensate wavefunction. The principal aim is to derive the appropriate balance equations of fluid dynamics for such local observables as the number density, current density and energy density. This is achieved by coupling the system to scalar and vector gauge fields, so that the theory may be作者: Infelicity 時間: 2025-3-23 20:41 作者: collateral 時間: 2025-3-23 23:33
Iliosacral Screw Osteosynthesis ease of solving these models for comparatively large .- systems, these models have found a great deal of acceptance among chemists in general and organic chemists in particular. The Huckel model is parametrized by two types of parameters, the resonance integral (also called the transfer or hopping 作者: 不來 時間: 2025-3-24 02:53
Aspects of Many-Body Effects in Molecules and Extended Systems978-3-642-61330-2Series ISSN 0342-4901 Series E-ISSN 2192-6603 作者: incredulity 時間: 2025-3-24 08:38
,Moorwege zwischen Hüben und Drüben,bed. Examples are given for ionization potentials, electron affinities, and excitation energies. The problem of model (P) space structure is discussed, and the potential functions for LiH excited states are presented as examples for applications requiring incomplete model spaces.作者: audiologist 時間: 2025-3-24 10:45
https://doi.org/10.1007/978-3-319-66572-6 in the direct calculation of ionization energies and eleotron affinities needs no further mention. The energy and width of elctron scattering resonances may be associated with electron affinity and ionization energy where the electron attachment/removal involves a metastable state.作者: Instrumental 時間: 2025-3-24 15:29
Applications of the Open-Shell Coupled-Cluster Methodbed. Examples are given for ionization potentials, electron affinities, and excitation energies. The problem of model (P) space structure is discussed, and the potential functions for LiH excited states are presented as examples for applications requiring incomplete model spaces.作者: Schlemms-Canal 時間: 2025-3-24 22:26 作者: 裙帶關系 時間: 2025-3-24 23:32 作者: defile 時間: 2025-3-25 07:00 作者: MUTE 時間: 2025-3-25 11:14
Atomic and Molecular Application of Effective Hamiltonian Formalism in Complete and Incomplete ModelApplications of the formalism of effective Hamiltonians in Fock space are presented using complete and (in most cases) incomplete model spaces. Applicatory examples are given for the H. molecule, the He atom, the molecular ion He., and for the three-electron ions C. to F. in highly excited states.作者: Aesthete 時間: 2025-3-25 13:59
Lecture Notes in Chemistryhttp://image.papertrans.cn/b/image/163085.jpg作者: Interferons 時間: 2025-3-25 16:27 作者: 疏忽 時間: 2025-3-25 23:22 作者: harmony 時間: 2025-3-26 03:44 作者: Fresco 時間: 2025-3-26 06:17
Lina Spirgiene R.N., Ph.D.,Louise Brentfunctions have the product-separability. Starting from the earliest work of Brandow[5], almost all the later developments [6] classified the orbital basis into “core”, “particle” and “valence” orbitals, and the model space was taken to contain determinants with completely filled core orbitals and pa作者: 就職 時間: 2025-3-26 10:11 作者: 泥沼 時間: 2025-3-26 14:38
Aspects of Many-Body Effects in Molecules and Extended SystemsProceedings of the W作者: 水槽 時間: 2025-3-26 17:01 作者: 上下倒置 時間: 2025-3-26 23:30
An Explicitly Connected Many-Body Perturbation Theory for Incomplete Model Spacefunctions have the product-separability. Starting from the earliest work of Brandow[5], almost all the later developments [6] classified the orbital basis into “core”, “particle” and “valence” orbitals, and the model space was taken to contain determinants with completely filled core orbitals and pa作者: meretricious 時間: 2025-3-27 01:21
Quantum Fluid Dynamics: An Extended Coupled Cluster Treatmentmore, we show how these are also exactly satisfied by most practical approximation schemes applied to the otherwise exact ECCM description. The fact that the ECCM amplitudes all strictly obey the cluster property, further implies that our gauge-invariant formalism is capable in principle of a comple作者: STELL 時間: 2025-3-27 05:28
0342-4901 ems, Calcutta, February 1 - 10, 1988. The organizers invited leading experts to present recent developments of many-body methods as applied to molecules and condensed systems. The panorama portrayed is quite broad, but by no means exhaustive. The emphasis is undoubtedly on a "molecular point of view作者: 頌揚國家 時間: 2025-3-27 10:56 作者: Obstreperous 時間: 2025-3-27 14:26
https://doi.org/10.1007/978-3-658-03762-8 has been removed/added to an RHF determinant. For the EE calculation the model space is constructed from all particle-hole excitations obtained from the IP/EA active orbitals. Results using the MRCCSD approximation are presented and compared to results obtained from CI, MCSCF, GF, single-reference CC calculations, and experiment.作者: Traumatic-Grief 時間: 2025-3-27 20:14
Marsha van Oostwaard,Andréa Marquesse only the first order correction, which involves a sum over all excited RPA states, gives an appreciable correction to the state representation of the transition probability. Parallel conclusions are obtained in both the dipole length and the dipole velocity formulation.作者: 有抱負者 時間: 2025-3-27 23:16
Iliosacral Screw Osteosynthesisanic chemists in particular. The Huckel model is parametrized by two types of parameters, the resonance integral (also called the transfer or hopping integral) t. and the orbital energy (also called site energy) ...作者: 詞匯表 時間: 2025-3-28 03:25
SAC-CI Calculations of the Excited and Ionized States of Conjugated Moleculesroblem in the theory of excited states: the difficulty in the reliable description of the so called V-type excited states of conjugated molecules. Systematic assignments are also given to other valence and Rydberg excited states and ionized states.作者: 涂掉 時間: 2025-3-28 09:54
Applications of Multi-Reference Coupled-Cluster Theory has been removed/added to an RHF determinant. For the EE calculation the model space is constructed from all particle-hole excitations obtained from the IP/EA active orbitals. Results using the MRCCSD approximation are presented and compared to results obtained from CI, MCSCF, GF, single-reference CC calculations, and experiment.作者: Enliven 時間: 2025-3-28 14:18
Transition Moments in RPA-Like Approximationsse only the first order correction, which involves a sum over all excited RPA states, gives an appreciable correction to the state representation of the transition probability. Parallel conclusions are obtained in both the dipole length and the dipole velocity formulation.作者: Moderate 時間: 2025-3-28 16:43
Electronic Structure and Spectra of Polyenesanic chemists in particular. The Huckel model is parametrized by two types of parameters, the resonance integral (also called the transfer or hopping integral) t. and the orbital energy (also called site energy) ...作者: Amenable 時間: 2025-3-28 21:54 作者: heart-murmur 時間: 2025-3-29 01:34 作者: OWL 時間: 2025-3-29 06:24 作者: Venules 時間: 2025-3-29 09:56 作者: 天空 時間: 2025-3-29 13:24
https://doi.org/10.1007/978-3-031-33484-9rs or Green’s functions, which permit direct calculations of characteristic changes in the state of the system or the probe and the probability for such changes to occur due to the system—probe interaction.作者: 宇宙你 時間: 2025-3-29 19:12 作者: 不可思議 時間: 2025-3-29 22:51 作者: 費解 時間: 2025-3-30 00:25
Local Security Systems in Somali East Africa of electrons is fixed. So Fock space is, in a sense, a direct sum of Hilbert spaces for various particle numbers. Processes like ionization or electron attachment, in which the number of electrons is changed are hence better described in Fock space than in configuration space (i.e. in . particle Hilbert space).作者: TSH582 時間: 2025-3-30 07:04 作者: etiquette 時間: 2025-3-30 09:08
Separability Problem in General Many Electron Systems CI calculation will obviously restore the symmetry, but since that is neither practicable nor desirable, additional conditions are imposed to ensure that the resultant functions are symmetry-adapted even at the trial function level.作者: 合群 時間: 2025-3-30 15:55
Quantum Chemistry in Fock Space of electrons is fixed. So Fock space is, in a sense, a direct sum of Hilbert spaces for various particle numbers. Processes like ionization or electron attachment, in which the number of electrons is changed are hence better described in Fock space than in configuration space (i.e. in . particle Hilbert space).作者: 事物的方面 時間: 2025-3-30 18:38 作者: fiscal 時間: 2025-3-30 20:53 作者: 小隔間 時間: 2025-3-31 03:56
Quantum Chemistry in Fock Space particles) or in Fock space (where operators act on the occupation numbers of spin orbitals). The representation of operators in Fock space (often also referred to as occupation number representation or 2. quantization) is essentially equivalent to the representation in configuration space, it is, 作者: PRISE 時間: 2025-3-31 07:17
Size Extensivity Correction for CI Energies Based on Complete Active Space Reference Functionsctrons in the system. This so called “size extensivity” (SE) problem causes truncated CI energies (e.g., those which include all excitations up through some specified level) energies to be of questionable value, for example, in computing thermodynamic energy differences such as chemical reaction ene作者: deforestation 時間: 2025-3-31 11:41 作者: 馬具 時間: 2025-3-31 13:45 作者: 埋伏 時間: 2025-3-31 19:18 作者: 山崩 時間: 2025-4-1 00:08 作者: 平靜生活 時間: 2025-4-1 03:49
An Explicitly Connected Many-Body Perturbation Theory for Incomplete Model Spaceces [2] for a variety of systems of chemical interest. The underlying theoretical strategy in the MBPT is the partition of the space of basis functions into a model space and a virtual space, and the generation of an effective hamiltonian H., which acts on the model space and furnishes N eigenvalues作者: Noisome 時間: 2025-4-1 06:36
