| Issue |
EPL
Volume 146, Number 1, April 2024
|
|
|---|---|---|
| Article Number | 18003 | |
| Number of page(s) | 7 | |
| Section | Quantum information | |
| DOI | https://doi.org/10.1209/0295-5075/ad3052 | |
| Published online | 12 April 2024 | |
Quantum walk of two non-interacting particles on a 2D lattice
College of Mathematics and Statistics, Northwest Normal University - Lanzhou 730070, China
Received: 25 January 2024
Accepted: 5 March 2024
In this paper, it is sufficient to simply tensor the single-particle unitary operator U1 for the evolution operator U2 of two particles that do not have interactions. Subsequently, the operator U1 is diagonalized and the relative distance between two non-interacting particles on the 2D lattice at the moment t is obtained using the distance evolution operator.
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