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  1. AU="Andrew N. Jordan"
  2. AU="Millemaggi, Alessia"
  3. AU=Paulsen Paige
  4. AU="Fan, Su-Su"
  5. AU="de Azeredo, Andressa Cardoso"
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  1. Article ; Online: Optimal adaptive control for quantum metrology with time-dependent Hamiltonians

    Shengshi Pang / Andrew N. Jordan

    Nature Communications, Vol 8, Iss 1, Pp 1-

    2017  Volume 9

    Abstract: Quantum metrology investigates the improvement given to precision measurements by exploiting quantum mechanics, but it has been mostly limited to systems with static Hamiltonians. Here the authors study it in the general case of time-varying Hamiltonians, ...

    Abstract Quantum metrology investigates the improvement given to precision measurements by exploiting quantum mechanics, but it has been mostly limited to systems with static Hamiltonians. Here the authors study it in the general case of time-varying Hamiltonians, showing that optimizing the quantum Fisher information via quantum control provides an advantage.
    Keywords Science ; Q
    Language English
    Publishing date 2017-03-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Quantum measurement arrow of time and fluctuation relations for measuring spin of ultracold atoms

    Maitreyi Jayaseelan / Sreenath K. Manikandan / Andrew N. Jordan / Nicholas P. Bigelow

    Nature Communications, Vol 12, Iss 1, Pp 1-

    2021  Volume 7

    Abstract: Irreversibility in quantum measurements shares conceptual links with statistical and thermodynamical irreversibility. Here, the authors are able to operationally associate an "arrow of time” to quantum weak measurements, testing it experimentally on a ... ...

    Abstract Irreversibility in quantum measurements shares conceptual links with statistical and thermodynamical irreversibility. Here, the authors are able to operationally associate an "arrow of time” to quantum weak measurements, testing it experimentally on a cloud of ultracold atoms.
    Keywords Science ; Q
    Language English
    Publishing date 2021-03-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  3. Article ; Online: Experimental demonstration of continuous quantum error correction

    William P. Livingston / Machiel S. Blok / Emmanuel Flurin / Justin Dressel / Andrew N. Jordan / Irfan Siddiqi

    Nature Communications, Vol 13, Iss 1, Pp 1-

    2022  Volume 7

    Abstract: Continuous quantum error correction requires less ancillary resources compared to standard QEC methods. Here, the authors demonstrate experimentally a continuous quantum error correction code in a planar superconducting architecture. ...

    Abstract Continuous quantum error correction requires less ancillary resources compared to standard QEC methods. Here, the authors demonstrate experimentally a continuous quantum error correction code in a planar superconducting architecture.
    Keywords Science ; Q
    Language English
    Publishing date 2022-04-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Inter-library loan at ZB MED

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  4. Article ; Online: Enhanced on-chip phase measurement by inverse weak value amplification

    Meiting Song / John Steinmetz / Yi Zhang / Juniyali Nauriyal / Kevin Lyons / Andrew N. Jordan / Jaime Cardenas

    Nature Communications, Vol 12, Iss 1, Pp 1-

    2021  Volume 7

    Abstract: Weak value amplification in a compact format can lead to improved measurement capabilities in practical applications. Here the authors demonstrate weak value amplification in an integrated photonic chip with a multimode interferometer. ...

    Abstract Weak value amplification in a compact format can lead to improved measurement capabilities in practical applications. Here the authors demonstrate weak value amplification in an integrated photonic chip with a multimode interferometer.
    Keywords Science ; Q
    Language English
    Publishing date 2021-10-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Inter-library loan at ZB MED

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  5. Article ; Online: Cross-cultural adaptation of the Spanish MINICHAL instrument into English for use in the United Kingdom

    Andrew N. Jordan / Christine Anning / Lindsay Wilkes / Claire Ball / Nicola Pamphilon / Christopher E. Clark / Nicholas G. Bellenger / Angela C. Shore / Andrew S. P. Sharp / Jose M. Valderas

    Health and Quality of Life Outcomes, Vol 20, Iss 1, Pp 1-

    2022  Volume 12

    Abstract: Abstract Background Hypertension is a highly prevalent condition, with optimal treatment to BP targets conferring significant gains in terms of cardiovascular outcomes. Understanding why some patients do not achieve BP targets would be enhanced through ... ...

    Abstract Abstract Background Hypertension is a highly prevalent condition, with optimal treatment to BP targets conferring significant gains in terms of cardiovascular outcomes. Understanding why some patients do not achieve BP targets would be enhanced through greater understanding of their health-related quality of life (HRQoL). However, the only English language disease-specific instruments for measurement of HRQoL in hypertension have not been validated in accordance with accepted standards. It is proposed that the Spanish MINICHAL instrument for the assessment of HRQoL in hypertension could be translated, adapted and validated for use in the United Kingdom. The aim of the study was therefore to complete this process. Methods The MINICHAL authors were contacted and the original instrument obtained. This was then translated into English by two independent English-speakers, with these versions then reconciled, before back-translation and subsequent production of a 2nd reconciled version. Thereafter, a final version was produced after cognitive debriefing, for administration and psychometric analysis in the target population of patients living in the Exeter area (Southwest UK) aged 18–80 years with treatment-naïve grade II-III hypertension, before, during and after 18 weeks’ intensive treatment. Results The English-language instrument was administered to 30 individuals (median age: 58.5 years, 53% male). Psychometric analysis demonstrated a floor effect, though no ceiling effect. Internal consistency for both state of mind (StM) and somatic manifestations (SM) dimensions of the instrument were acceptable (Cronbach’s alpha = 0.81 and 0.75), as was test–retest reliability (ICC = 0.717 and 0.961) and construct validity, which was measured through co-administration with the EQ-5D-5L and Bulpitt-Fletcher instruments. No significant associations were found between scores and patient characteristics known to affect HRQoL. The EQ-5D-5L instrument found an improvement in HRQoL following treatment, with the StM and SM dimensions of the English language MINICHAL trending to support this (d = 0.32 and 0.02 respectively). Conclusions The present study details the successful English translation and validation of the MINICHAL instrument for use in individuals with hypertension. The data reported also supports an improvement in HRQoL with rapid treatment of grade II-III hypertension, a strategy which has been recommended by contemporaneous European guidelines. Trial registration ISRCTN registry number: 57475376 (assigned 25/06/2015).
    Keywords Hypertension ; Adaptation ; Validation ; MINICHAL ; Computer applications to medicine. Medical informatics ; R858-859.7
    Subject code 420
    Language English
    Publishing date 2022-03-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Inter-library loan at ZB MED

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  6. Article ; Online: Conditional teleportation of quantum-dot spin states

    Haifeng Qiao / Yadav P. Kandel / Sreenath K. Manikandan / Andrew N. Jordan / Saeed Fallahi / Geoffrey C. Gardner / Michael J. Manfra / John M. Nichol

    Nature Communications, Vol 11, Iss 1, Pp 1-

    2020  Volume 9

    Abstract: Despite recent demonstrations of coherent spin-state transfer in arrays of spin qubits via exchange interaction, all-matter spin-state teleportation is still out of reach. Here the authors provide evidence for conditional teleportation of quantum-dot ... ...

    Abstract Despite recent demonstrations of coherent spin-state transfer in arrays of spin qubits via exchange interaction, all-matter spin-state teleportation is still out of reach. Here the authors provide evidence for conditional teleportation of quantum-dot spin states, entanglement swapping, and gate teleportation.
    Keywords Science ; Q
    Language English
    Publishing date 2020-06-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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