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Foreword | ||
Acknowledgements | ||
1 | Introduction | 1 |
1.1 | Laser cooling | 1 |
1.2 | Subrecoil laser cooling | 2 |
1.3 | Subrecoil cooling and Levy statistics | 3 |
1.4 | Content of the book | 5 |
2 | Subrecoil laser cooling and anomalous random walks | 7 |
2.1 | Standard laser cooling: friction and the recoil limit | 7 |
2.2 | Laser cooling based on inhomogeneous random walks in momentum space | 9 |
2.3 | Quantum description of subrecoil laser cooling | 12 |
2.4 | From quantum optics to classical random walks | 19 |
3 | Trapping and recycling. Statistical properties | 22 |
3.1 | Trapping and recycling regions | 22 |
3.2 | Models of inhomogeneous random walks | 25 |
3.3 | Probability distribution of the trapping times | 28 |
3.4 | Probability distribution of the recycling times | 34 |
4 | Broad distributions and Levy statistics: a brief overview | 42 |
4.1 | Power-law distributions. When do they occur? | 42 |
4.2 | Generalized Central Limit Theorem | 44 |
4.3 | Qualitative discussion of some properties of Levy sums | 49 |
4.4 | Sprinkling distribution | 55 |
5 | The proportion of atoms trapped in quasi-dark states | 60 |
5.1 | Ensemble averages versus time averages | 60 |
5.2 | Calculation of the proportion of trapped atoms | 62 |
5.3 | Discussion: non-ergodic behaviour of the trapped population | 67 |
6 | The momentum distribution | 69 |
6.1 | Brief survey of previous heuristic arguments | 69 |
6.2 | Expressions of the momentum distribution and of related quantities | 71 |
6.3 | Case of an infinite average trapping time and a finite average recycling time | 75 |
6.4 | Case of a finite average trapping time and a finite average recycling time | 79 |
6.5 | Cases with an infinite average recycling time | 83 |
6.6 | Overview of main results | 86 |
7 | Physical discussion | 88 |
7.1 | Equivalence with a rate equation description | 88 |
7.2 | Tails of the momentum distribution | 91 |
7.3 | Height of the peak of the momentum distribution | 92 |
7.4 | Effect of a non-vanishing jump rate at zero momentum | 93 |
7.5 | Non-stationarity and non-ergodicity | 96 |
8 | Tests of the statistical approach | 101 |
8.1 | Motivation | 101 |
8.2 | Overview of other approaches | 102 |
8.3 | Proportion of trapped atoms in one-dimensional [sigma][subscript +]/[sigma][subscript -] VSCPT | 105 |
8.4 | Width and shape of the peak of cooled atoms | 113 |
8.5 | Role of friction and of dimensionality | 120 |
8.6 | Conclusion | |
9 | Example of application: optimization of the peak of cooled atoms | 124 |
9.1 | Introduction | 124 |
9.2 | Parametrization | 126 |
9.3 | Why is there an optimum parameter? | 128 |
9.4 | Optimization using the expression of the height | 130 |
9.5 | Optimization using Levy sums | 131 |
9.6 | Features of the optimized cooling | 133 |
9.7 | Random walk interpretation of the optimized solution | 135 |
10 | Conclusion | 137 |
10.1 | What has been done in this book | 137 |
10.2 | Significance and importance of the results | 138 |
10.3 | Possible extensions | 140 |
App. A | Correspondence between parameters of the statistical models and atomic and laser parameters | 145 |
App. B | The Doppler case | 172 |
App. C | The special case [mu] = 1 | 177 |
References | 181 | |
Index of main notation | 189 | |
Index | 195 |
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Add Lévy Statistics and Laser Cooling : How Rare Events Bring Atoms to Rest, This is a book about laser cooling, a new research field with many potential applications. The authors present an original approach, using the tools and concepts of statistical physics. A new understanding of laser cooling, both intuitive and quantitative, Lévy Statistics and Laser Cooling : How Rare Events Bring Atoms to Rest to the inventory that you are selling on WonderClubX
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Add Lévy Statistics and Laser Cooling : How Rare Events Bring Atoms to Rest, This is a book about laser cooling, a new research field with many potential applications. The authors present an original approach, using the tools and concepts of statistical physics. A new understanding of laser cooling, both intuitive and quantitative, Lévy Statistics and Laser Cooling : How Rare Events Bring Atoms to Rest to your collection on WonderClub |