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Title: Scaling universality at the dynamic vortex Mott transition

Journal Article · · Physical Review B
 [1];  [2];  [1];  [3];  [4];  [1];  [1];  [1];  [5];  [6];  [7];  [8]
  1. Univ. of Twente, Enschede (Netherlands). MESA+ Inst. for Nanotechnology
  2. Harvard Univ., Cambridge, MA (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)
  4. Tata Inst. of Fundamental Research, Mumbai (India)
  5. Univ. of Twente, Enschede (Netherlands). MESA+ Inst. for Nanotechnology; Moscow Inst. of Physics and Technology (MIPT), Moscow (Russian Federation)
  6. Argonne National Lab. (ANL), Argonne, IL (United States); Tata Inst. of Fundamental Research, Mumbai (India)
  7. Argonne National Lab. (ANL), Argonne, IL (United States); Novosibirsk State Univ. (Russian Federation); Univ. Autonoma de Madrid (Spain); A. V. Rzhanov Inst. of Semiconductor Physics, Novosibirsk (Russian Federation)
  8. Argonne National Lab. (ANL), Argonne, IL (United States)
+ Show Author Affiliations

The cleanest way to observe a dynamic Mott insulator-to-metal transition (DMT) without the interference from disorder and other effects inherent to electronic and atomic systems, is to employ the vortex Mott states formed by superconducting vortices in a regular array of pinning sites. Here, we report the critical behavior of the vortex system as it crosses the DMT line, driven by either current or temperature. We find universal scaling with respect to both, expressed by the same scaling function and characterized by a single critical exponent coinciding with the exponent for the thermodynamic Mott transition. We develop a theory for the DMT based on the parity reflection-time reversal (PT) symmetry breaking formalism and find that the nonequilibrium-induced Mott transition has the same critical behavior as the thermal Mott transition. Our findings demonstrate the existence of physical systems in which the effect of a nonequilibrium drive is to generate an effective temperature and hence the transition belonging in the thermal universality class.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Russian Science Foundation; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1425288
Journal Information:
Physical Review B, Vol. 97, Issue 2; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

Critical exponents and fine-grid vortex model of the dynamic vortex Mott transition in superconducting arrays journal September 2019
Proximity coupling of superconducting nanograins with fractal distributions journal January 2020

Figures / Tables (4)

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Figure 4(p. 4)figure Figure 4

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