| タイトル | A Gaussian measure of quantum phase noise |
| 本文（外部サイト） | http://hdl.handle.net/2060/19920012835 |
| 著者（英） | Schleich, Wolfgang P.; Dowling, Jonathan P. |
| 著者所属（英） | Max-Planck-Inst. fuer Quantenoptik|Ulm Univ. |
| 発行日 | 1992-02-01 |
| 言語 | eng |
| 内容記述 | We study the width of the semiclassical phase distribution of a quantum state in its dependence on the average number of photons (m) in this state. As a measure of phase noise, we choose the width, delta phi, of the best Gaussian approximation to the dominant peak of this probability curve. For a coherent state, this width decreases with the square root of (m), whereas for a truncated phase state it decreases linearly with increasing (m). For an optimal phase state, delta phi decreases exponentially but so does the area caught underneath the peak: all the probability is stored in the broad wings of the distribution. |
| NASA分類 | THERMODYNAMICS AND STATISTICAL PHYSICS |
| レポートNO | 92N22078 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/127988 |
