dorsal/arxiv
View SchemaTopological phase for entangled two-qubit states
| Authors | P. Milman, R. Mosseri |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0302202 |
| URL | https://arxiv.org/abs/quant-ph/0302202 |
| DOI | 10.1103/PhysRevLett.90.230403 |
Abstract
We present an unambiguous characterization of the rotation group SO(3) biconnectedness topology using two-qubit maximally entangled states. We show how to generate cyclic evolutions of these states, which are in one-to-one correspondence to closed paths in SO(3). The difference between the well known two classes of such paths translates into the gain of a global phase of $\pi$ for one class and no phase change for the other. We propose a simple quantum optics interference experiment to demonstrate this topological phase shift.
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"abstract": "We present an unambiguous characterization of the rotation group SO(3)\nbiconnectedness topology using two-qubit maximally entangled states. We show\nhow to generate cyclic evolutions of these states, which are in one-to-one\ncorrespondence to closed paths in SO(3). The difference between the well known\ntwo classes of such paths translates into the gain of a global phase of $\\pi$\nfor one class and no phase change for the other. We propose a simple quantum\noptics interference experiment to demonstrate this topological phase shift.",
"arxiv_id": "quant-ph/0302202",
"authors": [
"P. Milman",
"R. Mosseri"
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"quant-ph"
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"doi": "10.1103/PhysRevLett.90.230403",
"title": "Topological phase for entangled two-qubit states",
"url": "https://arxiv.org/abs/quant-ph/0302202"
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