Zobrazeno 1 - 10
of 1 703
pro vyhledávání: '"Norris, P. M."'
Publikováno v:
Phys. Rev. Applied 22, 024074, Published 29 August 2024
Characterizing temporally correlated (``non-Markovian'') noise is a key prerequisite for achieving noise-tailored error mitigation and optimal device performance. Quantum noise spectroscopy can afford quantitative estimation of the noise spectral fea
Externí odkaz:
http://arxiv.org/abs/2402.12361
Autor:
Norris, Charlotte M., Unruh, Yvonne C., Witzke, Veronika, Solanki, Sami K., Krivova, Natalie A., Shapiro, Alexander I., Cameron, Robert, Beeck, Benjamin
Magnetic features on the surface of stars, such as spots and faculae, cause stellar spectral variability on time-scales of days and longer. For stars other than the Sun, the spectral signatures of faculae are poorly understood, limiting our ability t
Externí odkaz:
http://arxiv.org/abs/2306.04669
Publikováno v:
Physical Review Physics Education Research, 18(1), 010117
This paper presents a new astronomy self efficacy instrument, composed of two factors, one relating to learning astronomy content, which we call astronomy personal self efficacy, and the other relating to the use of astronomical instrumentation, spec
Externí odkaz:
http://arxiv.org/abs/2204.13803
We extend quantum noise spectroscopy (QNS) of amplitude control noise to settings where dephasing noise or detuning errors make significant contributions to qubit dynamics. Previous approaches to characterize amplitude noise are limited by their vuln
Externí odkaz:
http://arxiv.org/abs/2204.10894
Publikováno v:
New Journal of Physics 24, 103011 (2022)
We study the estimation precision attainable by entanglement-enhanced Ramsey interferometry in the presence of spatiotemporally correlated non-classical noise. Our analysis relies on an exact expression of the reduced density matrix of the qubit prob
Externí odkaz:
http://arxiv.org/abs/2204.10798
Autor:
Norris, Jackson M., Muzahid, Sowgat, Charlton, Jane C., Kacprzak, Glenn G., Wakker, Bart P., Churchill, Christopher W.
We have obtained new observations of the absorption system at $z_\mathrm{abs}=0.48$ toward QSO Q0454-220, which we use to constrain its chemical and physical conditions. The system features metal-enriched gas and previously unknown low-metallicity ga
Externí odkaz:
http://arxiv.org/abs/2106.12927
Autor:
Sameer, Charlton, J. C., Norris, J. M., Gebhardt, M., Churchill, C. W., Kacprzak, G. G., Muzahid, S., Narayanan, Anand, Nielsen, N. M., Richter, Philipp, Wakker, Bart P.
We present a new method aimed at improving the efficiency of component by component ionization modeling of intervening quasar absorption line systems. We carry out cloud-by-cloud, multiphase modeling making use of CLOUDY and Bayesian methods to extra
Externí odkaz:
http://arxiv.org/abs/2012.00021
Autor:
Chalermpusitarak, Teerawat, Tonekaboni, Behnam, Wang, Yuanlong, Norris, Leigh M., Viola, Lorenza, Paz-Silva, Gerardo A.
Publikováno v:
PRX Quantum 2, 030315 (2021)
We introduce a theoretical framework for resource-efficient characterization and control of non-Markovian open quantum systems, which naturally allows for the integration of given, experimentally motivated, control capabilities and constraints. This
Externí odkaz:
http://arxiv.org/abs/2008.13216
Autor:
von Lüpke, Uwe, Beaudoin, Félix, Norris, Leigh M., Sung, Youngkyu, Winik, Roni, Qiu, Jack Y., Kjaergaard, Morten, Kim, David, Yoder, Jonilyn, Gustavsson, Simon, Viola, Lorenza, Oliver, William D.
Publikováno v:
PRX Quantum 1, 010305 (2020)
Noise that exhibits significant temporal and spatial correlations across multiple qubits can be especially harmful to both fault-tolerant quantum computation and quantum-enhanced metrology. However, a complete spectral characterization of the noise e
Externí odkaz:
http://arxiv.org/abs/1912.04982
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