## The Quantum Mechanics Solver: How to Apply Quantum Theory to Modern PhysicsQuantum mechanics is an endless source of new questions and fascinating observations. Examples can be found in fundamental physics and in applied physics, in mathematical questions as well as in the currently popular debates on the interpretation of quantum mechanics and its philosophical implica tions. Teaching quantum mechanics relies mostly on theoretical courses, which are illustrated by simple exercises often of a mathematical character. Reduc ing quantum physics to this type of problem is somewhat frustrating since very few, if any, experimental quantities are available to compare the results with. For a long time, however, from the 1950s to the 1970s, the only alterna tive to these basic exercises seemed to be restricted to questions originating from atomic and nuclear physics, which were transformed into exactly soluble problems and related to known higher transcendental functions. In the past ten or twenty years, things have changed radically. The devel opment of high technologies is a good example. The one-dimensional square well potential used to be a rather academic exercise for beginners. The emer gence of quantum dots and quantum wells in semiconductor technologies has changed things radically. Optronics and the associated developments in infra red semiconductor and laser technologies have considerably elevated the social rank of the square-well model. As a consequence, more and more emphasis is given to the physical aspects of the phenomena rather than to analytical or computational considerations. |

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### Contents

1 | |

Unstable Diatomic Molecule | 11 |

Colored Molecular Ions | 21 |

Direct Observation of Field Quantization | 39 |

Decay of a Tritium Atom | 53 |

Exact Results for the ThreeBody Problem | 61 |

References | 68 |

Measuring the Electron Magnetic Moment Anomaly 79 | 78 |

References | 91 |

Laser Cooling and Trapping | 217 |

Quantum Motion in a Periodic Potential | 227 |

239 | |

### Other editions - View all

The Quantum Mechanics Solver: How to Apply Quantum Theory to Modern Physics Jean-Louis Basdevant,J. Dalibard No preview available - 2000 |

### Common terms and phrases

absorption Alice and Bob approximation assume axis bound Calculate commute component Consider constant corresponding crystal decay defined degeneracy denote detector eigenbasis eigenstates eigenvalues eigenvectors electron spin energy levels evolution excited expectation value experiment experimental result Express F-center factor field Bo give ground state energy H atom Hamiltonian hidden variable theory hydrogen atom hyperfine initial integral interaction interference ions laser magnetic field matrix element measurement molecule momentum motion muon muonium neutrino neutron neutron beam neutron spin nuclei number of photons observed obtain operator parameter particle peak Pf(T photons Phys physical plane position positronium potential Pr(T probability amplitude probability of finding problem QC QC quantity quantum mechanics quantum superposition quasi-classical question relation resonance Schrödinger equation second cavity Show shown in Fig singlet Solutions Section space spectrum spontaneous emission statistical mixture Stern–Gerlach experiment three-body transition variation vector velocity wave function wavelength width Write zero