泰然自若
发表于 2025-3-25 05:56:26
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cushion
发表于 2025-3-25 07:53:12
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SMART
发表于 2025-3-25 15:41:11
Collective Effects in Quantum Statistics of Radiation and Matter
征服
发表于 2025-3-25 19:07:17
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Madrigal
发表于 2025-3-25 23:42:15
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PTCA635
发表于 2025-3-26 03:44:47
Interpretation of Experimental Observations,nd then with respect to the “slow” ones (§2). We develop procedures for deriving the effective (hydrodynamical) action functional. Corresponding to this is the hydrodynamical Hamiltonian which is fundamental and is usually postulated in Landau’s theory of superfluidity. Indeed, it was by this means
Medicare
发表于 2025-3-26 05:22:44
Interpretation of Experimental Observations,ttice, leading to a virtually unimpeded movement in the metal.. This effect can be regarded as a condensation of pairs, while the phenomenon of superconductivity can be regarded as a special kind of superfluidity in a Fermi gas. It turns out that fermions can also combine in pairs at a non-zero tota
返老还童
发表于 2025-3-26 08:52:58
Backup Policies for a Database System,ond question, namely, the behaviour of a two-level system in a given external field, has also been considered in the literature , . In §2 this question will be considered within the framework of the functional integration method.
藐视
发表于 2025-3-26 13:42:33
Functional integrals in quantum theory,ere introduced into quantum mechanics by R. Feynman and have been successfully applied in recent years . The advantage of the functional integral method is that it enables one to formulate the quasi-classical approximation in a natural way and therefore turns out to be ideally suited fo
inflame
发表于 2025-3-26 17:46:20
Superfluid Bose systems,nd then with respect to the “slow” ones (§2). We develop procedures for deriving the effective (hydrodynamical) action functional. Corresponding to this is the hydrodynamical Hamiltonian which is fundamental and is usually postulated in Landau’s theory of superfluidity. Indeed, it was by this means