| Issue |
EPL
Volume 139, Number 4, August 2022
|
|
|---|---|---|
| Article Number | 42002 | |
| Number of page(s) | 5 | |
| Section | Mathematical and interdisciplinary physics | |
| DOI | https://doi.org/10.1209/0295-5075/ac6c08 | |
| Published online | 09 August 2022 | |
Ramsey scheme applied to string theoretical processes
1 Department of Physics and Engineering, Istanbul, Technical University - 34469, Istanbul, Turkey
2 Canadian Quantum Research Center 204-3002 - 32 Ave Vernon, BC V1T 2L7, Canada
3 Department of Physics, NIT Srinagar - Kashmir 190006, India
4 Department of Physics and Astronomy, University of Lethbridge - Lethbridge, AB T1K 3M4, Canada
(a) mir.faizal@uleth.ca (corresponding author)
Received: 13 January 2022
Accepted: 2 May 2022
In this paper, we analyze the evolution of physical quantities due to the interaction of strings with background fields. We will obtain the characteristic function for such a string theoretical process. This will be done by generalizing the Ramsey scheme to world-sheet, and using it to obtain the information about the evolution of quantity in a string theoretical process, without making two-point measurements. We will also use the characteristic function to obtain the average of the difference between the initial and final values of such a quantity. Finally, using the characteristic function, we calculate the Fisher information for the difference of such a quantity.
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