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1. |
Record Nr. |
UNINA9910634090603321 |
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Autore |
Martin Lucie |
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Titolo |
Premiers paysans des Alpes : Alimentation végétale et agriculture au Néolithique |
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Pubbl/distr/stampa |
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Tours, : Presses universitaires François-Rabelais, 2014 |
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ISBN |
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Descrizione fisica |
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1 online resource (226 p.) |
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Collana |
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Altri autori (Persone) |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Depuis une douzaine d'années, plusieurs fouilles archéologiques dans les Alpes françaises du Nord ont révélé la présence de macrorestes végétaux, dont de nombreuses graines carbonisées de plantes sauvages et cultivées. Cet ouvrage présente l'étude des vestiges botaniques (ou carpologie) de quatre sites alpins. Il s'agit en Isère, de l'abri-sous-roche de la Grande-Rivoire dans le Vercors et de l'abri-sous-bloc ALP 1 dans la Chartreuse ; en Savoie, du site de plein air du Chenet des Pierres en Tarentaise et de la grotte des Balmes en Haute-Maurienne. Ce livre a pour but de montrer comment les communautés humaines, il y a plus de 6 000 ans, tiraient profit de leurs ressources végétales, cultivées ou sauvages, pour subvenir à leurs besoins. Dans cette région aux biotopes variés et étagés, les céréales constituent la base de l'alimentation humaine, et sont probablement cultivées en altitude. La cueillette est pratiquée sur un large territoire, couvrant plusieurs étages de végétation. L'analyse carpologique de niveaux de bergerie nous permet de comprendre la façon dont les Hommes géraient les ressources végétales pour l'entretien du bétail. Plusieurs taxons, comme les céréales, le sapin, le gui et l'if sont reconnus pour leur usage vétérinaire et sanitaire. Enfin les données carpologiques contribuent à la compréhension de la fonction et de l'occupation des sites au sein du territoire alpin, ceci en fonction de la production et/ou de la consommation de plantes cultivées, d'un apport de la plaine ou encore de l'importance de la cueillette. |
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2. |
Record Nr. |
UNISA996641272803316 |
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Autore |
Onofrio Roberto |
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Titolo |
Physics and Technology of Ultracold Atomic Gases / / by Roberto Onofrio, Luca Salasnich |
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Pubbl/distr/stampa |
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Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2024 |
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ISBN |
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Edizione |
[1st ed. 2024.] |
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Descrizione fisica |
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1 online resource (300 pages) |
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Collana |
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Lecture Notes in Physics, , 1616-6361 ; ; 1034 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Quantum theory |
Quantum computing |
Atoms |
Quantum Physics |
Quantum Information |
Quantum Measurement and Metrology |
Ultracold Gases |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Chapter 1. Quantum Degenerate Gases.-Chapter 2. Trapping and Cooling of Atoms -- Chapter 3. Ultracold Atoms as Weakly-Correlated Systems -- Chapter 4. Ultracold Atoms as Strongly-Correlated Systems -- Chapter 5. Quantum Coherence with Ultracold Atoms. |
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Sommario/riassunto |
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This book is based on lecture notes originally developed for introductory graduate courses offered by the authors at Dartmouth College and the University of Padova. The first two chapters analyze quantum degenerate gases and various cooling and trapping techniques for atoms. The remaining three chapters discuss ultracold atoms as weakly interacting, strongly interacting, and non-interacting coherent systems. The third chapter presents multiple pieces of evidence for quantum degeneracy in Bose and Fermi gases, followed by peculiar features such as superfluidity and the formation of topological defects. The fourth chapter addresses strongly correlated systems, discussing the BCS-BEC crossover in fermionic gases and quantum phase transitions, including their dependence on effective |
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dimensionality. The fifth chapter offers a more specific discussion of quantum coherence in ultracold atoms and their potential as a platform for quantum metrology and quantum emulation. Four appendices provide more quantitative details of theoretical tools used in the last two chapters. Each chapter concludes with problems and a list of more specialized material. The main goal is to introduce interested students to ultracold atom physics research topics and expose scientists working in other areas of frontier physics to this novel and exciting research direction. This book is also intended to complement existing textbooks in standard courses on condensed matter physics, demonstrating how some general elements of the latter can be understood by continuously increasing the interactions between ultracold and quantum degenerate atoms under controlled external conditions. |
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