dorsal/arxiv
View SchemaQuantum Measurement of a Single Spin using Magnetic Resonance Force Microscopy
| Authors | G. P. Berman, F. Borgonovi, G. Chapline, S. A. Gurvitz, P. C. Hammel, D. V. Pelekhov, A. Suter, V. I. Tsifrinovich |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0108025 |
| URL | https://arxiv.org/abs/quant-ph/0108025 |
| DOI | 10.1088/0305-4470/36/15/314 |
| Journal | Journal of Physics A: Math. Gen. 36 (2003) 4417 |
Abstract
Single-spin detection is one of the important challenges facing the development of several new technologies, e.g. single-spin transistors and solid-state quantum computation. Magnetic resonance force microscopy with a cyclic adiabatic inversion, which utilizes a cantilever oscillations driven by a single spin, is a promising technique to solve this problem. We have studied the quantum dynamics of a single spin interacting with a quasiclassical cantilever. It was found that in a similar fashion to the Stern-Gerlach interferometer the quantum dynamics generates a quantum superposition of two quasiclassical trajectories of the cantilever which are related to the two spin projections on the direction of the effective magnetic field in the rotating reference frame. Our results show that quantum jumps will not prevent a single-spin measurement if the coupling between the cantilever vibrations and the spin is small in comparison with the amplitude of the radio-frequency external field.
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"abstract": "Single-spin detection is one of the important challenges facing the\ndevelopment of several new technologies, e.g. single-spin transistors and\nsolid-state quantum computation. Magnetic resonance force microscopy with a\ncyclic adiabatic inversion, which utilizes a cantilever oscillations driven by\na single spin, is a promising technique to solve this problem. We have studied\nthe quantum dynamics of a single spin interacting with a quasiclassical\ncantilever. It was found that in a similar fashion to the Stern-Gerlach\ninterferometer the quantum dynamics generates a quantum superposition of two\nquasiclassical trajectories of the cantilever which are related to the two spin\nprojections on the direction of the effective magnetic field in the rotating\nreference frame. Our results show that quantum jumps will not prevent a\nsingle-spin measurement if the coupling between the cantilever vibrations and\nthe spin is small in comparison with the amplitude of the radio-frequency\nexternal field.",
"arxiv_id": "quant-ph/0108025",
"authors": [
"G. P. Berman",
"F. Borgonovi",
"G. Chapline",
"S. A. Gurvitz",
"P. C. Hammel",
"D. V. Pelekhov",
"A. Suter",
"V. I. Tsifrinovich"
],
"categories": [
"quant-ph"
],
"doi": "10.1088/0305-4470/36/15/314",
"journal_ref": "Journal of Physics A: Math. Gen. 36 (2003) 4417",
"title": "Quantum Measurement of a Single Spin using Magnetic Resonance Force Microscopy",
"url": "https://arxiv.org/abs/quant-ph/0108025"
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