生锈 发表于 2025-3-26 22:41:15

Stability Under Space Translations. Positive EnergyIn this chapter we discuss the requirements III and IV stated in Chap. .. In the sequel we shall denote by . the Hilbert space sector (HSS) defined by a . satisfying (.), taking always for granted that ..

HAVOC 发表于 2025-3-27 01:51:53

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不来 发表于 2025-3-27 09:18:43

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anchor 发表于 2025-3-27 12:28:54

Quantum Mechanics. Algebraic Structure and StatesWe briefly review the basic structure of quantum mechanics (QM) with the aim of covering both the case of systems with a finite number of degrees of freedom (ordinary QM) as well as the case of systems with an infinite number of degrees of freedom (briefly .).

姑姑在炫耀 发表于 2025-3-27 14:13:00

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geometrician 发表于 2025-3-27 21:43:56

Non-Fock RepresentationsAs anticipated in the previous discussions, the Fock representation is very special to the finite-dimensional case and to free fields. Actually, as a consequence of Proposition ., non-Fock representations are required in order to describe many-particle systems with non-zero density in the thermodynamical limit.

GULF 发表于 2025-3-27 23:59:16

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Observe 发表于 2025-3-28 04:39:25

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frivolous 发表于 2025-3-28 09:48:54

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ROOF 发表于 2025-3-28 10:51:40

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