| Автор | Yi-Cheng Zhang |
| Дата выпуска | 1989-05-15 |
| dc.description | We study the generalized directed polymer model in which the amplitudes along a polymer assume random complex values. We introduce a replica trick which allows us to obtain fluctuations around mean values. It maps our model onto a system of n pairs of charged bosons. This system was first studied by Dyson, whose heuristic scaling theory provides prediction for the exponent of the transverse fluctuations of polymers with long-range correlated complex disorder. We show that complex disorder causes stronger transverse fluctuations than real positive disorder previously studied. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Directed Polymers with Complex Amplitudes |
| Тип | lett |
| DOI | 10.1209/0295-5075/9/2/004 |
| Electronic ISSN | 1286-4854 |
| Print ISSN | 0295-5075 |
| Журнал | EPL (Europhysics Letters) |
| Том | 9 |
| Первая страница | 113 |
| Последняя страница | 118 |
| Аффилиация | Yi-Cheng Zhang; INFN, Dipartimento di Fisica, Università di Roma - 00185 Roma, Italy |
| Выпуск | 2 |
