dorsal/arxiv
View SchemaSpin dependent observable effect for free particles using the arrival time distribution
| Authors | Md. Manirul Ali, A. S. Majumdar, D. Home, S. Sengupta |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0306106 |
| URL | https://arxiv.org/abs/quant-ph/0306106 |
| DOI | 10.1103/PhysRevA.68.042105 |
| Journal | Phys. Rev. A68, 042105 (2003) |
Abstract
The mean arrival time of free particles is computed using the quantum probability current. This is uniquely determined in the non-relativistic limit of Dirac equation, although the Schroedinger probability current has an inherent non-uniqueness. Since the Dirac probability current involves a spin-dependent term, an arrival time distribution based on the probability current shows an observable spin-dependent effect, even for free particles. This arises essentially from relativistic quantum dynamics, but persists even in the non-relativistic regime.
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"abstract": "The mean arrival time of free particles is computed using the quantum\nprobability current. This is uniquely determined in the non-relativistic limit\nof Dirac equation, although the Schroedinger probability current has an\ninherent non-uniqueness. Since the Dirac probability current involves a\nspin-dependent term, an arrival time distribution based on the probability\ncurrent shows an observable spin-dependent effect, even for free particles.\nThis arises essentially from relativistic quantum dynamics, but persists even\nin the non-relativistic regime.",
"arxiv_id": "quant-ph/0306106",
"authors": [
"Md. Manirul Ali",
"A. S. Majumdar",
"D. Home",
"S. Sengupta"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.68.042105",
"journal_ref": "Phys. Rev. A68, 042105 (2003)",
"title": "Spin dependent observable effect for free particles using the arrival time distribution",
"url": "https://arxiv.org/abs/quant-ph/0306106"
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