Articles with "persistent current" as a keyword



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Solvable Model of the Thermal Persistent Current at Low Temperatures of Two-Electron Parabolic GaAs Quantum Dot

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Published in 2020 at "Journal of Low Temperature Physics"

DOI: 10.1007/s10909-020-02477-4

Abstract: Abstract We have studied analytically the persistent current and the magnetization of two electrons trapped by a circular parabolic GaAs quantum dot using the canonical ensemble approach. We have investigated their behavior as a function… read more here.

Keywords: temperature; gaas quantum; low temperatures; parabolic gaas ... See more keywords
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Tantalum Passive Persistence Shunts for On-Chip Current Trapping in Metallic Magnetic Calorimetry

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Published in 2017 at "IEEE Transactions on Applied Superconductivity"

DOI: 10.1109/tasc.2016.2626918

Abstract: Ultrahigh resolution photon detectors based on metallic magnetic calorimeters (MMCs) employ a weakly magnetized paramagnetic sensor to measure the energy of the absorbed particles. MMCs can require large on-chip magnetizing currents of order ~100 mA… read more here.

Keywords: tantalum passive; temperature; metallic magnetic; persistent current ... See more keywords
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A REBCO Persistent-Current Switch (PCS): Test Results and Switch Heater Performance

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Published in 2017 at "IEEE Transactions on Applied Superconductivity"

DOI: 10.1109/tasc.2017.2652303

Abstract: In this paper, we report preliminary results of our on-going effort to develop a superconducting persistent-current switch (PCS) for REBCO pancake coils that will be operated in liquid helium. In the first part of this… read more here.

Keywords: rebco persistent; current switch; switch pcs; persistent current ... See more keywords
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Experiment and Numerical Analysis on Magnetic Field Stability of Persistent Current Mode Coil Made of HTS-Coated Conductors

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Published in 2017 at "IEEE Transactions on Applied Superconductivity"

DOI: 10.1109/tasc.2017.2652538

Abstract: High-temperature superconducting (HTS) coils made of coated conductors that can operate in persistent current mode (PCM) are regarded to be promising in MRI/nuclear magnetic resonance and Maglev system. The temporal stability of the magnetic field… read more here.

Keywords: field; coil; persistent current; magnetic field ... See more keywords
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An Overcurrent Controlled HTS Persistent Current Switch Without Any Additional Switching Triggers

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Published in 2019 at "IEEE Transactions on Applied Superconductivity"

DOI: 10.1109/tasc.2018.2850810

Abstract: A superconducting magnet, which operates in a persistent current mode (PCM), is able to reduce heat loss on current leads, therefore, gradually become promising and important in many industrial usages. To realize the PCM, a… read more here.

Keywords: persistent current; current switch; additional switching; switching triggers ... See more keywords
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A Concentrically Arranged Joint-Less HTS Coil System for Persistent Current Mode Operation

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Published in 2020 at "IEEE Transactions on Applied Superconductivity"

DOI: 10.1109/tasc.2020.2972224

Abstract: We have shown that a persistent current mode operation was possible in various types of HTS coils wound by the joint-less winding technique with 2G REBCO tape. However, in a previous test, a solenoid type… read more here.

Keywords: persistent current; hts coil; joint less; less hts ... See more keywords
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The Origins of Persistent Current Account Imbalances in the Post-Bretton Woods Era

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Published in 2019 at "Comparative Political Studies"

DOI: 10.1177/0010414019859031

Abstract: Why do some countries run persistent current account surpluses? Why do others run deficits, often over decades, leading to enduring global imbalances? Such persistent imbalances are the root cause of many financial crises and a… read more here.

Keywords: trade; wage bargaining; current account; persistent current ... See more keywords