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2009

Indirect Hamiltonian Identification through a small gateway

Burgarth, Daniel, Maruyama, Koji

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Identifying the nature of interactions in a quantum system is essential in understanding any physical phenomena.

Acquiring information on the Hamiltonian can be a tough challenge in many-body systems because it generally requires access to all parts of the system.
We show that if the coupling topology is known, the Hamiltonian identification is indeed possible indirectly even though only a small gateway to the system is used.
Surprisingly, even a degenerate Hamiltonian can be estimated by applying an extra field to the gateway.

Indirect Hamiltonian Identification through a small gateway · Around

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G. M. L. Gladwell, Inverse Problems in Vibration
2004
Earlier work this paper cites.
S. Ashhab, J. R. Johansson, and F. Nori, New. J. Phys. 8
2006
Earlier work this paper cites.
D. Burgarth and V. Giovannetti, Phys. Rev. Lett. 99
2007
Earlier work this paper cites.

Similar

S. Schirmer, D. Oi, and S. Devitt, Institute of Physics: Conferences Series 107
2008
Cited alongside, same era.
D. Burgarth and V. Giovannetti, (2007), proceedings, M. Ericsson and S. Montangero (eds.), Pisa, Edizioni della Normale 2008 (arXiv:0710.0302)
Original
2008
Cited alongside, same era.
S. Schirmer and D. Oi, arXiv:0902.3434
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K. C. Young, M. Sarovar, R. Kosut, and K. B. Whaley, arXiv:0812.4635
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C. D. Franco, M. Paternostro, and M. S. Kim, arXiv:0812.3510
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D. Burgarth, S. Bose, C. Bruder, and V. Giovannetti, arXiv:0805.3975
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N. Alon, preprint
Cited in the paper.

Then

S. Severini, J. Phys. A: Math. Gen. 41
2008
Later among the works it cites.
D. Burgarth, K. Maruyama, and F. Nori, Phys. Rev. A 79
2009
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