dorsal/arxiv
View SchemaSemiclassical spin damping: Superradiance revisited
| Authors | Petr A. Braun, Daniel Braun, Fritz Haake, Joachim Weber |
|---|---|
| Categories | |
| ArXiv ID | physics/9803041 |
| URL | https://arxiv.org/abs/physics/9803041 |
| DOI | 10.1007/s100530050126 |
Abstract
A well known description of superradiance from pointlike collections of many atoms involves the dissipative motion of a large spin. The pertinent ``superradiance master equation'' allows for a formally exact solution which we subject to a semiclassical evaluation. The clue is a saddle-point approximation for an inverse Laplace transform. All previous approximate treatments, disparate as they may appear, are encompassed in our systematic formulation. A byproduct is a hitherto unknown rigorous relation between coherences and probabilities. Our results allow for generalizations to spin dynamics with chaos in the classical limit.
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"abstract": "A well known description of superradiance from pointlike collections of many\natoms involves the dissipative motion of a large spin. The pertinent\n``superradiance master equation\u0027\u0027 allows for a formally exact solution which we\nsubject to a semiclassical evaluation. The clue is a saddle-point approximation\nfor an inverse Laplace transform. All previous approximate treatments,\ndisparate as they may appear, are encompassed in our systematic formulation. A\nbyproduct is a hitherto unknown rigorous relation between coherences and\nprobabilities. Our results allow for generalizations to spin dynamics with\nchaos in the classical limit.",
"arxiv_id": "physics/9803041",
"authors": [
"Petr A. Braun",
"Daniel Braun",
"Fritz Haake",
"Joachim Weber"
],
"categories": [
"physics.optics",
"quant-ph"
],
"doi": "10.1007/s100530050126",
"title": "Semiclassical spin damping: Superradiance revisited",
"url": "https://arxiv.org/abs/physics/9803041"
},
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