Enhancement of magnon-photon-phonon entanglement in a cavity magnomechanics with coherent feedback loop

Berihu Teklu; Mohamed Amazioug; Muhammad Asjad

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Enhancement of magnon-photon-phonon entanglement in a cavity magnomechanics with coherent feedback loop

Mohamed Amazioug, Berihu Teklu, Muhammad Asjad

Quantum Physics · Submitted 30 Nov 2022

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We show that the entanglement can be significantly improved with coherent feedback using a suitable tuning of the reflective parameter of the beam splitter.

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arXiv ID2211.17052 (version 1)

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CitationBerihu Teklu, Mohamed Amazioug, Muhammad Asjad. "Enhancement of magnon-photon-phonon entanglement in a cavity magnomechanics with coherent feedback loop." arXiv:2211.17052 (2022). https://pith.science/paper/HAQMGYLZ

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.11 · human participants 0.01 · controlled comparison 0.17 · randomized assignment 0.01 · states quantitative result 0.15 · compares with prior results 0.15 · mentions code or data availability 0.02.

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We propose a scheme to improve magnon-photon-phonon entanglement in cavity magnomechanics using coherent feedback loop. In addition, we prove that the steady state and dynamical state of the system is a genuine tripartite entanglement state. We use the logarithmic negativity as the witness of quantum correlations to quantify the entanglement of all bipartite subsystem, and genuine tripartite entanglement via the nonzero minimum residual contangle, in steady and dynamical regime. We consider the feasible experiment parameters to realize the tripartite entanglement. We show that the entanglement can be significantly improved with coherent feedback using a suitable tuning of the reflective parameter of the beam splitter. The entanglement is robust against the thermal effects. Our proposal scheme to improve the entanglement can be of interest to applications in quantum information.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We propose a scheme to improve magnon-photon-phonon entanglement in cavity magnomechanics using coherent feedback loop.	contribution 1.00	0.69	0.28	asserted 0.42
s1	In addition, we prove that the steady state and dynamical state of the system is a genuine tripartite entanglement state.	result 0.96	0.94	0.30	asserted 1.00
s2	We use the logarithmic negativity as the witness of quantum correlations to quantify the entanglement of all bipartite subsystem, and genuine tripartite entanglement via the nonzero minimum residual contangle, in steady and dynamical regime.	method 0.99	0.92	0.12	asserted 0.97
s3	We consider the feasible experiment parameters to realize the tripartite entanglement.	method 0.53	0.83	0.04	asserted 0.70
s4	We show that the entanglement can be significantly improved with coherent feedback using a suitable tuning of the reflective parameter of the beam splitter.	result 0.99	0.93	0.59	asserted 1.00
s5	The entanglement is robust against the thermal effects.	result 0.99	0.87	0.09	asserted 1.00
s6	Our proposal scheme to improve the entanglement can be of interest to applications in quantum information.	interpretation 0.86	0.20	0.11	hedged possibility 0.97

What kind of paper the classifier reports this is: theoretical result 0.50 · evidence from proof or derivation 0.84.

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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

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Original abstract

We propose a scheme to improve magnon-photon-phonon entanglement in cavity magnomechanics using coherent feedback loop. In addition, we prove that the steady state and dynamical state of the system is a genuine tripartite entanglement state. We use the logarithmic negativity as the witness of quantum correlations to quantify the entanglement of all bipartite subsystem, and genuine tripartite entanglement via the nonzero minimum residual contangle, in steady and dynamical regime. We consider the feasible experiment parameters to realize the tripartite entanglement. We show that the entanglement can be significantly improved with coherent feedback using a suitable tuning of the reflective parameter of the beam splitter. The entanglement is robust against the thermal effects. Our proposal scheme to improve the entanglement can be of interest to applications in quantum information.

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2 arXiv papers cite this in 12 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 9 sentences without a confident label

Uses its data or values 1 paper

In this section, we show the results and discuss the evolution of quantum correlations of the system by considering experimentally accessible parameters reported in [ref] : $ω_a/2π= 10$ GHz, $ω_m/2π= 10$ MHz , $γ_m/2π= 100$ Hz, $γ_a/2π= γ_b/2π= 1$ MHz, $g_Ga/2π= G_Gb/2π=3.2$ MHz, and at low temperature $T = 10$ mK. $G_Gb = 2π×3.2$ MHz implies the drive magnetic field $B_0 ≈3.9×10^-5$ T for $g_Ga≈2π×0.2$ Hz, corresponding to the drive power $P =8.9$ mW.

Coherent feedback control of quantum correlations in cavity magnomechanical system with magnon squeezing · Results and Discusion · 1.00

Compares with it 1 paper

We observe, that the entanglement is very strong ($E_ab>1.3$, $E_bm>0.8$ and $E_am>1.3$) in comprising with the results in Ref. [ref] .

Coherent feedback control of quantum correlations in cavity magnomechanical system with magnon squeezing · Results and Discusion · 1.00

What it cites

Cites as background 3 papers

Magnon squeezing enhanced ground-state cooling in cavity magnomechanics [ref] .

Magnon squeezing enhanced ground-state cooling in cavity magnomechanics · Introduction · 0.89
Recently, cavity magnomechanics offers a robust platform where ferrimagnetic cristal (e.g., yttrium iron garnet (YIG) sphere) is coupled with a microwave cavity [ref] .

Quantum magnonics: when magnon spintronics meets quantum information science · Introduction · 0.91
Cooling the mechanical mode to their quantum ground states [ref] , photon blockade [ref] , generating mechanical quantum superposition states [ref] , enhancing precision measurements [ref] , gravitational-wave detectors [ref] and optomechanically induced transpency [ref] .

Strong photon antibunching effect in a double cavity optomechanical system with intracavity squeezed light · Introduction · 0.90

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