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Quantum Coherence from Commensurate Driving with Laser Pulses and Decay

by Goetz S. Uhrig

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Submission summary

Authors (as registered SciPost users): Götz Uhrig
Submission information
Preprint Link:  (pdf)
Date accepted: 2020-02-19
Date submitted: 2020-02-07 01:00
Submitted by: Uhrig, Götz
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
  • Condensed Matter Physics - Theory
  • Quantum Physics
Approach: Theoretical


Non-equilibrium physics is a particularly fascinating field of current research. Generically, driven systems are gradually heated up so that quantum effects die out. In contrast, we show that a driven central spin model including controlled dissipation in a highly excited state allows us to distill quantum coherent states, indicated by a substantial reduction of entropy. The model is experimentally accessible in quantum dots or molecules with unpaired electrons. The potential of preparing and manipulating coherent states by designed driving potentials is pointed out.

Published as SciPost Phys. 8, 040 (2020)

Reports on this Submission

Anonymous Report 1 on 2020-2-15 (Invited Report)


The author addressed satisfactorily the requests. The paper is technical, but it is now more accessible to a non-specialized community.
I suggest to publish the paper in the new version.

  • validity: -
  • significance: -
  • originality: -
  • clarity: -
  • formatting: -
  • grammar: -

Anonymous Report 3 on 2020-2-14 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:1906.04283v2, delivered 2020-02-14, doi: 10.21468/SciPost.Report.1510


see my first report


The author has positively reacted to the referee observations. Various changes and new comments have been introduced which improve the readability of this manuscript. Some errors (which made the reading of this paper really hard) have been removed. The style of this paper, in my opinion, is still very technical in some points but, in general, the new version is more accessible to non expert readers. In view of this and of the nice results of this paper, I think that the emended version is suitable for publication on SciPost Physics.

Requested changes

No changes are requested

  • validity: high
  • significance: high
  • originality: high
  • clarity: good
  • formatting: excellent
  • grammar: excellent

Anonymous Report 2 on 2020-2-10 (Invited Report)


All my questions have been adequately addressed. The paper may be published as it is in its revised version.

  • validity: -
  • significance: -
  • originality: -
  • clarity: -
  • formatting: -
  • grammar: -

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