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pro vyhledávání: '"Partner, Heather L."'
Autor:
Partner, Heather L., Nigmatullin, Ramil, Burgermeister, Tobias, Keller, Jonas, Pyka, Karsten, Plenio, Martin B., Retzker, Alex, Zurek, Wojciech H., del Campo, Adolfo, Mehlstäubler, Tanja E.
Publikováno v:
Physica B 460, 114 (2015)
We use laser-cooled ion Coulomb crystals in the well-controlled environment of a harmonic radiofrequency ion trap to investigate phase transitions and defect formation. Topological defects in ion Coulomb crystals (kinks) have been recently proposed f
Externí odkaz:
http://arxiv.org/abs/1411.5365
Autor:
Partner, Heather L., Nigmatullin, Ramil, Burgermeister, Tobias, Pyka, Karsten, Keller, Jonas, Retzker, Alex, Plenio, Martin B., Mehlstäubler, Tanja E.
Publikováno v:
New J. Phys. 15 103013, (2013)
We study experimentally and theoretically the properties of structural defects (kink solitons) in two-dimensional ion Coulomb crystals. We show how different types of kink solitons with different physical properties can be realized, and transformed f
Externí odkaz:
http://arxiv.org/abs/1305.6773
Autor:
Pyka, Karsten, Keller, Jonas, Partner, Heather L., Nigmatullin, Ramil, Burgermeister, Tobias, Meier, David-M., Kuhlmann, Kristijan, Retzker, Alex, Plenio, Martin B., Zurek, Wojciech H., del Campo, Adolfo, Mehlstäubler, Tanja E.
Publikováno v:
Nature Communications 4, 2291 (2013)
Symmetry breaking phase transitions play an important role in nature. When a system traverses such a transition at a finite rate, its causally disconnected regions choose the new broken symmetry state independently. Where such local choices are incom
Externí odkaz:
http://arxiv.org/abs/1211.7005
Autor:
Partner, Heather L.
This dissertation reports on the development of a low-power, high-stability miniature atomic frequency standard based on 171Yb+ ions. The ions are buffer-gas cooled and held in a linear quadrupole trap that is integrated into a sealed, getter-pumped
Externí odkaz:
http://arxiv.org/abs/1208.5622
Publikováno v:
Phys. Rev. A, 79, 062107 (2009)
We argue that it is possible in principle to reduce the uncertainty of an atomic magnetometer by double-passing a far-detuned laser field through the atomic sample as it undergoes Larmor precession. Numerical simulations of the quantum Fisher informa
Externí odkaz:
http://arxiv.org/abs/0903.2050
Autor:
Chase, Bradley A., Partner, Heather L., Black, Brigette D., Baragiola, Benjamin Q., Cook, Robert L., Geremia, JM
We provide evidence, based on direct simulation of the quantum Fisher information, that 1/N scaling of the sensitivity with the number of atoms N in an atomic magnetometer can be surpassed by double-passing a far-detuned laser through the atomic syst
Externí odkaz:
http://arxiv.org/abs/0708.2730
Autor:
Partner, Heather L., Nigmatullin, Ramil, Burgermeister, Tobias, Keller, Jonas, Pyka, Karsten, Plenio, Martin B., Retzker, Alex, Zurek, Wojciech H., del Campo, Adolfo, Mehlstäubler, Tanja E.
Publikováno v:
In Physica B: Physics of Condensed Matter 1 March 2015 460:114-118
Akademický článek
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Autor:
Schwindt, Peter D. D., Jau, Yuan-Yu, Partner, Heather L., Serkland, Darwin K., Ison, Aaron, McCants, Andrew, Winrow, Edward, Prestage, John, Kellogg, James, Yu, Nan, Boschen, C. Daniel, Kosvin, Igor, Mailloux, David, Scherer, David, Nelson, Craig, Hati, Archita, Howe, David A.
We describe the development and frequency instability measurements of a highly miniaturized, buffer gas cooled, trapped-ion atomic clock. The clock utilizes the 12.6 GHz hyperfine transition of the 171Yb+ ion. A custom-built 3 cm3 vacuum package cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::7df8bfcfddd64e556f5610bc413e5997
https://zenodo.org/record/1268171
https://zenodo.org/record/1268171