Effective Action Approach to Quantum and Thermal Effects: From One Particle to Bose–Einstein Condensates
We present a detailed derivation of the quantum and quantum–thermal effective action for non-relativistic systems, starting from the single-particle case and extending to the Gross–Pitaevskii (GP) field theory for weakly interacting bosons. In the single-particle framework, we introduce the one-part...
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| Main Author: | |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
MDPI AG
2025-12-01
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| Series: | Atoms |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2218-2004/13/12/95 |
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