dorsal/arxiv
View SchemaTradeoff between extractable mechanical work, accessible entanglement, and ability to act as a reference system, under arbitrary superselection rules
| Authors | J. A. Vaccaro, F. Anselmi, H. M. Wiseman, K. Jacobs |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0501121 |
| URL | https://arxiv.org/abs/quant-ph/0501121 |
| DOI | 10.1103/PhysRevA.77.032114 |
| Journal | Phys. Rev. A 77, 032114 (2008) |
Abstract
Superselection rules (SSRs) limit the mechanical and quantum processing resources represented by quantum states. However SSRs can be violated using reference systems to break the underlying symmetry. We show that there is a duality between the ability of a system to do mechanical work and to act as a reference system. Further, for a bipartite system in a globally symmetric pure state, we find a triality between the system's ability to do local mechanical work, its ability to do ``logical work'' due to its accessible entanglement, and its ability to act as a shared reference system.
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"abstract": "Superselection rules (SSRs) limit the mechanical and quantum processing\nresources represented by quantum states. However SSRs can be violated using\nreference systems to break the underlying symmetry. We show that there is a\nduality between the ability of a system to do mechanical work and to act as a\nreference system. Further, for a bipartite system in a globally symmetric pure\nstate, we find a triality between the system\u0027s ability to do local mechanical\nwork, its ability to do ``logical work\u0027\u0027 due to its accessible entanglement,\nand its ability to act as a shared reference system.",
"arxiv_id": "quant-ph/0501121",
"authors": [
"J. A. Vaccaro",
"F. Anselmi",
"H. M. Wiseman",
"K. Jacobs"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.77.032114",
"journal_ref": "Phys. Rev. A 77, 032114 (2008)",
"title": "Tradeoff between extractable mechanical work, accessible entanglement, and ability to act as a reference system, under arbitrary superselection rules",
"url": "https://arxiv.org/abs/quant-ph/0501121"
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