| Issue |
EPL
Volume 151, Number 4, August 2025
|
|
|---|---|---|
| Article Number | 46001 | |
| Number of page(s) | 6 | |
| Section | Condensed matter and materials physics | |
| DOI | https://doi.org/10.1209/0295-5075/adeadb | |
| Published online | 26 August 2025 | |
Magnetic skyrmion as Schrödinger's cat
Physics Department, Herbert H. Lehman College and Graduate School, The City University of New York 250 Bedford Park Boulevard West, Bronx, New York 10468-1589, USA
Received: 15 May 2025
Accepted: 2 July 2025
Abstract
We argue that a nanometer-size magnetic skyrmion in a nanotrack, formed by many atomic spins, may exhibit quantum phenomena such as energy quantization and tunneling through a classically impenetrable energy barrier. The possibility of using small skyrmions as qubits for topologically protected quantum information processing is discussed.
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