標題: Titlebook: Elementary Excitations in Quantum Fluids; Proceedings of the H Kohji Ohbayashi,Mitsuo Watabe Conference proceedings 1989 Springer-Verlag Be [打印本頁] 作者: hypothyroidism 時間: 2025-3-21 18:37
書目名稱Elementary Excitations in Quantum Fluids影響因子(影響力)
書目名稱Elementary Excitations in Quantum Fluids影響因子(影響力)學科排名
書目名稱Elementary Excitations in Quantum Fluids網(wǎng)絡(luò)公開度
書目名稱Elementary Excitations in Quantum Fluids網(wǎng)絡(luò)公開度學科排名
書目名稱Elementary Excitations in Quantum Fluids被引頻次
書目名稱Elementary Excitations in Quantum Fluids被引頻次學科排名
書目名稱Elementary Excitations in Quantum Fluids年度引用
書目名稱Elementary Excitations in Quantum Fluids年度引用學科排名
書目名稱Elementary Excitations in Quantum Fluids讀者反饋
書目名稱Elementary Excitations in Quantum Fluids讀者反饋學科排名
作者: 大范圍流行 時間: 2025-3-21 20:17 作者: 發(fā)微光 時間: 2025-3-22 04:06 作者: 短程旅游 時間: 2025-3-22 07:45
Raman Scattering of Liquid 4Hections left untested and in another part demand re-investigation of seemingly well established concept of two-roton bound state. HALLEY discusses theoretical problems in this volume, and we describe experimental results in this report.作者: Fibrinogen 時間: 2025-3-22 09:33 作者: BAN 時間: 2025-3-22 16:37 作者: BAN 時間: 2025-3-22 18:07 作者: Genetics 時間: 2025-3-23 01:05 作者: LUT 時間: 2025-3-23 03:20
Italy, Liberalism, and the Age of Empire,f the excitations, both above and below the superfluid transition temperature. At . 0, this analysis was initiated by Bogoliubov in 1947 for a weakly interacting dilute Bose gas (WIDBG) and the resulting picture is discussed in all advanced textbooks on statistical mechanics. Much less well known ar作者: overshadow 時間: 2025-3-23 08:26 作者: Infusion 時間: 2025-3-23 12:49
Markt, Marktversagen und Markteingriffe,zed (d-wave) components. For quantum liquids, .He and .He, the ratio of the polarized component to the total intensity has been observed to increase in the large energy shift region. Pressure dependence has been measured both for super and normal fluid .He. For liquid .He, the integrated intensity r作者: Congeal 時間: 2025-3-23 14:32
Bioethik und die ?neue‘ Eugenik’S [1] now famous phonon-roton dispersion relation for the elementary excitations in superfluid .He (see Fig. 1), and the 30th anniversary of the first experimental observation, using neutron scattering techniques, of rotons by PALEVSKY et al. [2]. Their measurements and others [3–6] which quickly f作者: Macronutrients 時間: 2025-3-23 20:12
https://doi.org/10.1007/978-94-015-9440-0d and can be totally reflected by magnetic fields ? 40 kilogauss and material surfaces. A collection of atoms appears as a group of hard sphere repulsive potentials to a neutron. The UCN, with wavelengths ? interatomic spacing are affected by the space average of these potentials which is about 10. 作者: Conjuction 時間: 2025-3-24 01:50
Introduction: Suffering’s Dead?e substrate used in this work was graphite. Two layers adjacent to the substrate can be solidified due to the van der Waals attraction with the graphite. The densities of the layers are very different, displaying through the high compressibility of the helium the dependence of the van der Waals forc作者: airborne 時間: 2025-3-24 05:36 作者: 小隔間 時間: 2025-3-24 06:57
Stéphane Guy,Ecem Okan,Jeremy Tranmerimplications of this discovery were particularly relevant to the analysis of the Raman spectrum and neutron scattering experimental data. Later studies also demonstrated the inadequacy of the Born Approximation as a result of the resonant structure, and hence extensive theoretical progress was achie作者: occult 時間: 2025-3-24 11:42
The Social Bases of Self-Respect,In the neutron experiments, however, this asymptotic branch by PITAEVSKII has not been observed up to the end point Q. The peak position is found to be at rather higher energy than twice the roton energy at large momentum transfer. This report shows that, at finite temperatures, due to the finite li作者: Juvenile 時間: 2025-3-24 16:51
https://doi.org/10.1057/97811373669242 Δ. for .; an energy region characteristic of two-quasiparticle excitations. Δ. and Δ. are, respectively, energies of roton and maxon. For ., as is well-known, it behaves like a free-particle excitation. On the other hand, the very broad upper branch has been looked upon as the contribution of mult作者: Essential 時間: 2025-3-24 20:35
Liberalism and the Limits of Powerby microscopic theories of the superfluid since Cowley and Woods /1/ reported in their neutron scattering intensities the observation of a broad distribution whose energy width and intensities are strong functions of the momentum transfer k. This peak was seen in addition to the rather sharp peak us作者: 殘酷的地方 時間: 2025-3-25 03:07 作者: fatty-acids 時間: 2025-3-25 03:19 作者: 下船 時間: 2025-3-25 10:16 作者: grenade 時間: 2025-3-25 13:20
Elementary Excitations in Quantum Fluids978-3-642-83428-8Series ISSN 0171-1873 Series E-ISSN 2197-4179 作者: Detonate 時間: 2025-3-25 19:04 作者: 管理員 時間: 2025-3-25 21:00 作者: GRIN 時間: 2025-3-26 02:49 作者: subacute 時間: 2025-3-26 07:43
Effect of the Three-Excitation States on the Raman Scattering from Superfluid 4HeSeveral years ago, OHBAYASHI and UDAGAWA [1] told us that they had seen in the Raman spectrum an abrupt change of the slope at the points a, b, c, d, e, and f as well as peaks at p. and p..作者: mucous-membrane 時間: 2025-3-26 11:00
Upscattering of Ultra-Cold Neutrons (UCN) by Excitations in Superfluid 4Heive potentials to a neutron. The UCN, with wavelengths ? interatomic spacing are affected by the space average of these potentials which is about 10. eV for many materials. On total reflection the UCN wavefunction penetrates into the reflecting surface and can be absorbed or upscattered by the thermally vibrating nucleii located there.作者: 細節(jié) 時間: 2025-3-26 15:38 作者: 晚間 時間: 2025-3-26 20:28
Foreign, Defence and Colonial Policy,w excited states (including multiple excitations) and of the dynamic structure factor . has been developed to the point of quantitative agreement with experiment, particularly for the boson fluids exemplified by liquid ... This situation is reviewed briefly in section 2.作者: Bravura 時間: 2025-3-26 21:19
Bioethik und die ?neue‘ Eugenikollowed, all stimulated by the suggestion of COHEN and FEYNMAN [7] that neutron scattering could be used to directly determine the helium dispersion relation, confirmed that the form proposed by Landau was indeed correct.作者: nautical 時間: 2025-3-27 03:10
The Social Bases of Self-Respect,newidth of rotons PITAEVSKII’s branch ceases to exist at a temperature dependent momentum Q.(T) which is smaller than PITAEVSKII’s Q. thereby explaining the above discrepancy. A brief report has been given by NAGAI [2]. ZAWADOWSKI et al.[3] have also shown numerically that the finite linewidth of rotons shifts PITAEVSKII’s branch to higher energy.作者: 案發(fā)地點 時間: 2025-3-27 06:02
Liberalism and the Limits of Powerually associated with one phonon scattering. The intensity of the broad maximum rises to about 25K and extends to relatively large(about 80K) energy transfers. Such a broad peak was not altogether an unexpected one. Phenomenological arguments of Miller, Pines and Nozieres /2/ indicate the existence of a broad background.作者: admission 時間: 2025-3-27 10:38
Microscopic Theory of Strongly Coupled Boson Quantum Fluidsw excited states (including multiple excitations) and of the dynamic structure factor . has been developed to the point of quantitative agreement with experiment, particularly for the boson fluids exemplified by liquid ... This situation is reviewed briefly in section 2.作者: Ganglion-Cyst 時間: 2025-3-27 17:29
Temperature Dependence of ,(,) for Liquid ,Heollowed, all stimulated by the suggestion of COHEN and FEYNMAN [7] that neutron scattering could be used to directly determine the helium dispersion relation, confirmed that the form proposed by Landau was indeed correct.作者: 因無茶而冷淡 時間: 2025-3-27 19:45 作者: 懲罰 時間: 2025-3-28 00:14
Two-Particle Excitations and Pair Correlations in He-IIually associated with one phonon scattering. The intensity of the broad maximum rises to about 25K and extends to relatively large(about 80K) energy transfers. Such a broad peak was not altogether an unexpected one. Phenomenological arguments of Miller, Pines and Nozieres /2/ indicate the existence of a broad background.作者: Institution 時間: 2025-3-28 05:41 作者: 想象 時間: 2025-3-28 08:49 作者: 小說 時間: 2025-3-28 11:11 作者: BLANC 時間: 2025-3-28 17:16
Introduction: Defining LiberalismWoods and Svensson. However the above treatment is restricted in temperatures lower than 1K and cannot be compared with the experimental results, because the contributions of phonons are taken into account as thermal excitations but those of rotons are not considered.作者: 其他 時間: 2025-3-28 21:59
Two-Component Character of ,(,) in Superfluid ,HeWoods and Svensson. However the above treatment is restricted in temperatures lower than 1K and cannot be compared with the experimental results, because the contributions of phonons are taken into account as thermal excitations but those of rotons are not considered.作者: foodstuff 時間: 2025-3-28 23:45 作者: HAIRY 時間: 2025-3-29 06:40
https://doi.org/10.1007/978-94-015-9440-0ive potentials to a neutron. The UCN, with wavelengths ? interatomic spacing are affected by the space average of these potentials which is about 10. eV for many materials. On total reflection the UCN wavefunction penetrates into the reflecting surface and can be absorbed or upscattered by the thermally vibrating nucleii located there.作者: archetype 時間: 2025-3-29 09:50 作者: 可耕種 時間: 2025-3-29 13:33 作者: PACT 時間: 2025-3-29 18:28 作者: TAIN 時間: 2025-3-29 21:52
Italy, Liberalism, and the Age of Empire,view [1] of certain aspects of resulting scenario at the Banff International Conference on Quantum Fluids and Solids. The present article may be viewed as part two of this account, with special emphasis on the nature of the elementary excitations in Bose fluids at finite temperatures, as well as the作者: Interregnum 時間: 2025-3-30 01:45
Markt, Marktversagen und Markteingriffe,zed component to the total intensity is even weaker than that of Ne. Existence of the polarized component suggests that the repulsive interaction is also important to investigate the Raman scattering process of simple liquids as well as conventional dipole-induced-dipole interaction. Relative contri作者: 全面 時間: 2025-3-30 06:51
Introduction: Suffering’s Dead? energies below the bulk roton value [4] are also visible in the neutron scattering of a thick film and even if the film is extended to bulk liquid [5]. Thus these excitations have to be localized near the solid liquid interface. These modes show only little or no dispersion, they exhibit localized 作者: 圣人 時間: 2025-3-30 10:20 作者: AMPLE 時間: 2025-3-30 13:47
Introductionof density fluctuations .(., .′, .). Properties of these correlation functions and their mutual relations were discussed both theoretically and experimentally. Ab initio calculations of .(.) were reviewed and a few models of temperature dependence of .(.) were proposed. The coupling of .(.) and .(.)作者: 羅盤 時間: 2025-3-30 17:04
Elementary Excitations in Bose-Condensed Liquids and Gases at Finite Temperaturesview [1] of certain aspects of resulting scenario at the Banff International Conference on Quantum Fluids and Solids. The present article may be viewed as part two of this account, with special emphasis on the nature of the elementary excitations in Bose fluids at finite temperatures, as well as the作者: 四溢 時間: 2025-3-30 22:24
Polarization Study of Raman Scattering from Quantum Fluidszed component to the total intensity is even weaker than that of Ne. Existence of the polarized component suggests that the repulsive interaction is also important to investigate the Raman scattering process of simple liquids as well as conventional dipole-induced-dipole interaction. Relative contri作者: Lamina 時間: 2025-3-31 04:56
Excitations in 4He Films energies below the bulk roton value [4] are also visible in the neutron scattering of a thick film and even if the film is extended to bulk liquid [5]. Thus these excitations have to be localized near the solid liquid interface. These modes show only little or no dispersion, they exhibit localized 作者: MANIA 時間: 2025-3-31 08:44 作者: 緊張過度 時間: 2025-3-31 10:28
