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Peer-Review Record

Magnetically Induced Two-Phonon Blockade in a Hybrid Spin–Mechanical System

Magnetochemistry 2024, 10(6), 41; https://doi.org/10.3390/magnetochemistry10060041
by Hong-Yue Liu, Tai-Shuang Yin * and Aixi Chen *
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Magnetochemistry 2024, 10(6), 41; https://doi.org/10.3390/magnetochemistry10060041
Submission received: 11 April 2024 / Revised: 28 May 2024 / Accepted: 30 May 2024 / Published: 31 May 2024

Round 1

Reviewer 1 Report

Comments and Suggestions for Authors

Phonon blockade phenomena is an analogue of well-known photon blockade. This specific quantum effect is based on a strong mechanical nonlinearity (anharmonicity) of some nanomechanical resonators with spin-phonon coupling.

The reviewed paper is written in good scientific language and has a clear problem statement. The article contains a detailed literature review of the research topic and is characterized by an exhaustive presentation of the material.

As a reviewer I would like to make the following suggestion to authors: in Figure 7 they should present the results using the dimensionless temperature kBT/Ñωm, on the x-axis, instead of nth.

In addition, I am somewhat discouraged by the purely numerical result of obtaining the two-phonon blockade effect in this paper. A natural question arises: is it possible to solve this problem analytically even to some extent. For example, to model relaxation coupling with thermal reservoir not by the conventional Lindblad superoperator, but by the usual Bloch equations (the approximation of relaxation times T1 and T2) ?

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

 

Reviewer 2 Report

Comments and Suggestions for Authors

The work entitled “Magnetically induced two-phonon blockade in a hybrid spin-mechanical system”, by H.-Y. Liu, T.-S. Yin and A. Chen seems technically clean. However, to me, it looks quite dry, since has no hint about real systems fulfilling the debated features and corresponding relevant instrumental measurements.
I will recommend minor revision, demanding to add, both in introduction and along the work, concrete examples where the combination of spin and phonon-based keywords and the outlined model is relevant.

 

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

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