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Title: Solitonic Josephson-based meminductive systems

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep46736· OSTI ID:1368379
 [1];  [2];  [3];  [4]
  1. Consiglio Nazionale delle Ricerche (CNR), Genova (Italy). L'Istituto Superconduttori, Materialiari innovativi e Dispositivi (SPIN); Consiglio Nazionale delle Ricerche (CNR), Pisa (Italy). Istituto Nanoscienze (CNR-NANO) and Scuola Normale Superiore (SNS), NEST Lab.; Lobachevsky State Univ., Nizhny Novgorod (Russia)
  2. Consiglio Nazionale delle Ricerche (CNR), Genova (Italy). L'Istituto Superconduttori, Materialiari innovativi e Dispositivi (SPIN)
  3. Univ. of California, San Diego, CA (United States). Dept. of Physics
  4. Consiglio Nazionale delle Ricerche (CNR), Pisa (Italy). Istituto Nanoscienze (CNR-NANO) and Scuola Normale Superiore (SNS), NEST Lab.

Memristors, memcapacitors, and meminductors represent an innovative generation of circuit elements whose properties depend on the state and history of the system. The hysteretic behavior of one of their constituent variables, is their distinctive fingerprint. This feature endows them with the ability to store and process information on the same physical location, a property that is expected to benefit many applications ranging from unconventional computing to adaptive electronics to robotics. Therefore, it is important to find appropriate memory elements that combine a wide range of memory states, long memory retention times, and protection against unavoidable noise. Although several physical systems belong to the general class of memelements, few of them combine these important physical features in a single component. Here in this paper, we demonstrate theoretically a superconducting memory based on solitonic long Josephson junctions. Moreover, since solitons are at the core of its operation, this system provides an intrinsic topological protection against external perturbations. We show that the Josephson critical current behaves hysteretically as an external magnetic field is properly swept. Accordingly, long Josephson junctions can be used as multi-state memories, with a controllable number of available states, and in other emerging areas such as memcomputing, i.e., computing directly in/by the memory.

Research Organization:
Univ. of California, San Diego, CA (United States)
Sponsoring Organization:
USDOE; European Union (EU)
Grant/Contract Number:
FG02-05ER46204; 630925; 615187; RBFR1379UX
OSTI ID:
1368379
Journal Information:
Scientific Reports, Vol. 7; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (11)

Nonvolatile Bio-Memristor Based on Silkworm Hemolymph Proteins journal December 2017
Phase-coherent solitonic Josephson heat oscillator journal August 2018
Measurement of the activation energies of oxygen ion diffusion in yttria stabilized zirconia by flicker noise spectroscopy journal June 2019
Thermometry and Memcapacitance with a Qubit-Resonator System journal July 2018
Nonlinear Critical-Current Thermal Response of an Asymmetric Josephson Tunnel Junction journal February 2019
Josephson Thermal Memory journal January 2018
Hysteresis from nonlinear dynamics of Majorana modes in topological Josephson junctions journal October 2018
Josephson thermal memory text January 2017
Solitonic Josephson thermal transport text January 2017
Solitonic thermal transport in a current biased long Josephson junction text January 2018
Thermometry and memcapacitance with qubit-resonator system text January 2018

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