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Title: Josephson Thermal Memory

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
Univ. of California, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); European Research Council (ERC); REA; MIUR
OSTI Identifier:
1540699
Alternate Identifier(s):
OSTI ID: 1417427
Grant/Contract Number:  
FG02-05ER46204; FP7/2007-2013; 630925; RBFR1379UX; RBFR1236VV
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Applied
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2331-7019
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Josephson effect; memory; superconductivity; thermal properties; devices; SQUID; thermal techniques

Citation Formats

Guarcello, Claudio, Solinas, Paolo, Braggio, Alessandro, Di Ventra, Massimiliano, and Giazotto, Francesco. Josephson Thermal Memory. United States: N. p., 2018. Web. doi:10.1103/physrevapplied.9.014021.
Guarcello, Claudio, Solinas, Paolo, Braggio, Alessandro, Di Ventra, Massimiliano, & Giazotto, Francesco. Josephson Thermal Memory. United States. https://doi.org/10.1103/physrevapplied.9.014021
Guarcello, Claudio, Solinas, Paolo, Braggio, Alessandro, Di Ventra, Massimiliano, and Giazotto, Francesco. Thu . "Josephson Thermal Memory". United States. https://doi.org/10.1103/physrevapplied.9.014021. https://www.osti.gov/servlets/purl/1540699.
@article{osti_1540699,
title = {Josephson Thermal Memory},
author = {Guarcello, Claudio and Solinas, Paolo and Braggio, Alessandro and Di Ventra, Massimiliano and Giazotto, Francesco},
abstractNote = {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.},
doi = {10.1103/physrevapplied.9.014021},
journal = {Physical Review Applied},
number = 1,
volume = 9,
place = {United States},
year = {Thu Jan 18 00:00:00 EST 2018},
month = {Thu Jan 18 00:00:00 EST 2018}
}

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Cited by: 36 works
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text, January 2015


A Josephson radiation comb Generator
text, January 2015


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text, January 2007


Manipulation and Generation of Supercurrent in Out-of-Equilibrium Josephson Tunnel Nanojunctions
text, January 2008


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text, January 2008


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text, January 2012


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text, January 2013


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text, January 2013


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text, January 2014


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text, January 2014


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text, January 2015


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text, January 2016


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text, January 2016


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text, January 2016


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text, January 2017


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text, January 2004


Works referencing / citing this record:

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
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Three-terminal normal-superconductor junction as thermal transistor
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Solitonic Josephson thermal transport
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Solitonic thermal transport in a current biased long Josephson junction
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text, January 2018


Phase-coherent solitonic Josephson heat oscillator
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Thermodynamic cycles in Josephson junctions
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Phase-coherent heat circulators with normal or superconducting contacts
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Coherent Josephson thermodynamic cycles
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Phase-tunable thermal rectification in the topological SQUIPT
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Thermodynamics in topological Josephson junctions
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