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Title: Josephson Thermal Memory

Journal Article · · Physical Review Applied
 [1];  [2];  [3];  [4];  [3]
  1. Scuola Normale Superiore (SNS), Pisa (Italy). Inst. Nanoscienze-CNR, NEST; Lobachevsky State Univ., Nizhni Novgorod (Russia)
  2. SPIN-CNR, Genova (Italy)
  3. Scuola Normale Superiore (SNS), Pisa (Italy). Inst. Nanoscienze-CNR, NEST
  4. Univ. of California San Diego, La Jolla, CA (United States)

In this work, we propose a superconducting thermal memory device that exploits the thermal hysteresis in a flux-controlled temperature-biased superconducting quantum-interference device (SQUID). This system reveals a flux-controllable temperature bistability, which can be used to define two well-distinguishable thermal logic states. We discuss a suitable writing-reading procedure for these memory states. The time of the memory writing operation is expected to be on the order of approximately 0.2 ns for a Nb-based SQUID in thermal contact with a phonon bath at 4.2 K. We suggest a noninvasive readout scheme for the memory states based on the measurement of the effective resonance frequency of a tank circuit inductively coupled to the SQUID. The proposed device paves the way for a practical implementation of thermal logic and computation. The advantage of this proposal is that it represents also an example of harvesting thermal energy in superconducting circuits.

Research Organization:
Univ. of California, San Diego, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); European Research Council (ERC); REA; MIUR
Grant/Contract Number:
FG02-05ER46204; FP7/2007-2013; 630925; RBFR1379UX; RBFR1236VV
OSTI ID:
1540699
Alternate ID(s):
OSTI ID: 1417427
Journal Information:
Physical Review Applied, Vol. 9, Issue 1; ISSN 2331-7019
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Overview of Josephson Technology Logic and Memory journal March 1980
An Electrically Tuned Solid-State Thermal Memory Based on Metal-Insulator Transition of Single-Crystalline VO2 Nanobeams journal March 2011
Spectral representation of the heat current in a driven Josephson junction journal April 2017
Manipulation and Generation of Supercurrent in Out-of-Equilibrium Josephson Tunnel Nanojunctions journal August 2008
Photonic heat conduction in Josephson-coupled Bardeen-Cooper-Schrieffer superconductors journal April 2016
Towards Boolean operations with thermal photons journal December 2016
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A Josephson radiation comb Generator text January 2015
Thermal Logic Gates: Computation with phonons text January 2007
Manipulation and Generation of Supercurrent in Out-of-Equilibrium Josephson Tunnel Nanojunctions text January 2008
Phase-Dependent Electronic Specific Heat in Mesoscopic Josephson Junctions text January 2008
Phase-controlled superconducting heat-flux quantum modulator text January 2012
Efficient phase-tunable Josephson thermal rectifier text January 2013
Superconducting Memristors text January 2013
Radiative bistability and thermal memory text January 2014
Fast electron thermometry towards ultra-sensitive calorimetric detection text January 2014
Contactless heat flux control with photonic devices text January 2015
Nano Superconducting Quantum Interference device: a powerful tool for nanoscale investigations text January 2015
Quantum Memristors with Superconducting Circuits text January 2016
Dispersive thermometry with a Josephson junction coupled to a resonator text January 2016
Towards boolean operations with thermal photons text January 2016
Solitonic Josephson-based meminductive systems text January 2016
Spectral representation of the heat current in a driven Josephson junction text January 2017
Josephson tunnel junction controlled by quasiparticle injection text January 2004
Thermal diode: Rectification of heat flux text January 2004

Cited By (14)

Towards phase-coherent caloritronics in superconducting circuits journal October 2017
Phase-coherent solitonic Josephson heat oscillator journal August 2018
Thermodynamic cycles in Josephson junctions journal March 2019
Nonlinear Critical-Current Thermal Response of an Asymmetric Josephson Tunnel Junction journal February 2019
Phase-Tunable Thermal Rectification in the Topological SQUIPT journal April 2019
Three-terminal normal-superconductor junction as thermal transistor journal February 2019
Solitonic Josephson thermal transport text January 2017
Solitonic thermal transport in a current biased long Josephson junction text January 2018
Phase-coherent heat circulator based on multi-terminal Josephson junctions text January 2018
Designing nonlinear thermal devices and metamaterials under the Fourier law: A route to nonlinear thermotics journal April 2021
Phase-coherent heat circulators with normal or superconducting contacts text January 2021
Coherent Josephson thermodynamic cycles text January 2018
Phase-tunable thermal rectification in the topological SQUIPT text January 2018
Thermodynamics in topological Josephson junctions text January 2021

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