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Related Experiment Video

Updated: May 12, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Superinsulator and quantum synchronization.

Valerii M Vinokur¹, Tatyana I Baturina, Mikhail V Fistul

¹Material Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA. vinokour@anl.gov

|April 4, 2008

Summary

This summary is machine-generated.

Disordered superconducting films transition into a Cooper-pair insulator. At finite temperatures, this state becomes a superinsulating state with infinite resistance, dual to the superconducting state.

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Area of Science:

Condensed Matter Physics
Quantum Phenomena
Materials Science

Background:

Synchronized oscillators are fundamental in nature and quantum mechanics.
Disorder in thin superconducting films creates superconducting islands within a normal matrix.
Tuning disorder drives transitions from superconducting to insulating states, forming a Cooper-pair insulator near the transition.

Purpose of the Study:

To investigate the transition from a Cooper-pair insulator to a superinsulating state.
To present experimental evidence of this transition in titanium nitride films.
To explore the duality between the superinsulating and superconducting states.

Main Methods:

Fabrication and characterization of titanium nitride thin films.
Measurement of electrical resistance and conductivity as a function of temperature, magnetic field, and voltage.
Analysis of the synchronization of the superconducting order parameter phase.

Main Results:

A Cooper-pair insulator transitions to a superinsulating state with infinite resistance at a specific finite temperature.
The superinsulating state is observed in titanium nitride films.
This superinsulating state exhibits properties dual to the superconducting state, being destroyed by critical magnetic fields and critical voltage.

Conclusions:

A novel superinsulating state with infinite resistance exists and is accessible from the Cooper-pair insulating state.
The superinsulating state's properties are analogous to the superconducting state, highlighting a fundamental duality.
This research offers new insights into the complex behavior of matter at the quantum level.