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学者姓名：钟志荣
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Abstract ：
基于离子阱系统,提出一种模拟多声子量子Rabi模型(quantum Rabi model,QRM)的方案.在该方案中,离子同时受两束被调节到非共振j阶红蓝边带的激光驱动.在一定条件下,系统中驱动激光与离子之间的相互作用可用多声子共振QRM描述.研究发现,当模拟二能级系统的频率被调节为模拟玻色模频率的 3j倍时,系统通过反旋波近似项作用下的中间态表现出共振 3j声子耦合.作为典型示例,从理论上分析了三声子共振QRM,并利用这种QRM的绝热演化过程生成九声子态.
Keyword ：
多声子态 多声子态 强耦合 强耦合 离子阱系统 离子阱系统 边带效应 边带效应 量子Rabi模型 量子Rabi模型
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| GB/T 7714 | 杨哲祺 , 钟志荣 . 离子阱系统中多声子量子Rabi模型的模拟 [J]. | 福建师范大学学报（自然科学版） , 2025 , 41 (4) : 22-26,63 . |
| MLA | 杨哲祺 等. "离子阱系统中多声子量子Rabi模型的模拟" . | 福建师范大学学报（自然科学版） 41 . 4 (2025) : 22-26,63 . |
| APA | 杨哲祺 , 钟志荣 . 离子阱系统中多声子量子Rabi模型的模拟 . | 福建师范大学学报（自然科学版） , 2025 , 41 (4) , 22-26,63 . |
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Abstract ：
In this paper, we present a theoretical investigation of multiphoton processes between a single atom and a multimode optical or microwave field. At first, we examine two-photon excitation, which involves the simultaneous excitation of two photons in different cavity modes by a single atom. We demonstrate that when the transition frequency of an atom is equal to the sum of the frequencies of two cavity modes, there exists a resonant coupling between the atom and the two-mode cavity field, which leads to the simultaneous excitation of the two cavity photons with the atom initially in its excited state. Moreover, we found that this coupling is coherent and reversible, allowing the atom initially in the ground state to simultaneously absorb all the photons from the cavities and transit to its excited state. Finally, we also show that this coherent interaction, in principle, can be extended to describe multiphoton processes between a single atom and a multimode cavity field, such as a three-mode cavity. The parameters used in the numerical simulation are based on the experimentally demonstrated values in circuit quantum electrodynamics systems.
Keyword ：
multiphoton processes multiphoton processes quantum coherence quantum coherence quantum electrodynamics quantum electrodynamics
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| GB/T 7714 | Cheng, Lu-Yun , Lan, Zi-Liang , Ye, Sai-Yun et al. Multiphoton processes between one atom and a multimode field [J]. | LASER PHYSICS LETTERS , 2025 , 22 (6) . |
| MLA | Cheng, Lu-Yun et al. "Multiphoton processes between one atom and a multimode field" . | LASER PHYSICS LETTERS 22 . 6 (2025) . |
| APA | Cheng, Lu-Yun , Lan, Zi-Liang , Ye, Sai-Yun , Zhong, Zhi-Rong . Multiphoton processes between one atom and a multimode field . | LASER PHYSICS LETTERS , 2025 , 22 (6) . |
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Cooling the internal and external degrees of freedom (DOFs) of a massive mechanical system close to the quantum ground state is a prerequisite for the quantum manipulation of macroscopic mechanical devices. In this paper, we propose a approach to simultaneously cool both the internal and external DOFs (phonon and center-of-mass modes) of a levitated micromagnet within a cavity magnomechanical (CMM) system. By driving the cavity mode and magnon mode on their respective red sidebands with microwave fields, the proposed scheme effectively suppresses Stokes scattering and significantly enhances the net cooling rate. Moreover, differing from conventional CMM systems, our proposal can achieve simultaneous cooling of the internal and external DOFs even in the unresolved-sideband regime. Our numerical simulations demonstrate the robustness and effectiveness of the scheme by analyzing average occupancies of the internal and external DOFs, as well as identifying the optimal cooling conditions. The proposed scheme establishes a foundation for probing and manipulating the internal DOFs by controlling the external DOFs, which may open additional possibilities for studying nonequilibrium quantum mesoscopic physics.
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| GB/T 7714 | Chen, Lei , Liu, Yang , Bin, Liang et al. Simultaneous cooling of the internal and external degrees of freedom of a levitated micromagnet in a cavity magnomechanical system [J]. | PHYSICAL REVIEW RESEARCH , 2025 , 7 (3) . |
| MLA | Chen, Lei et al. "Simultaneous cooling of the internal and external degrees of freedom of a levitated micromagnet in a cavity magnomechanical system" . | PHYSICAL REVIEW RESEARCH 7 . 3 (2025) . |
| APA | Chen, Lei , Liu, Yang , Bin, Liang , Ye, Sai-Yun , Zhong, Zhi-Rong . Simultaneous cooling of the internal and external degrees of freedom of a levitated micromagnet in a cavity magnomechanical system . | PHYSICAL REVIEW RESEARCH , 2025 , 7 (3) . |
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This paper presents a theoretical analysis of remote information transmission based on a cavity-magnon quantum system. We first investigate the dynamics of a two-site coupled-cavity model, where each cavity contains a magnon. Under the condition of large hopping between two cavities or large detuning between the magnon and cavity modes, the state transfer between two distant magnons could be achieved without exciting the cavity field modes. Optimal coherent state transfer is also demonstrated by carefully adjusting parameters to suppress the cavity excitations. Our model could be utilized as the building block for quantum network by extending to one-dimensional coupled cavity chains.
Keyword ：
cavity-magnonics cavity-magnonics coherent state transfer coherent state transfer dynamics of a two-site coupled-cavity model dynamics of a two-site coupled-cavity model large hopping and large detuning large hopping and large detuning
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| GB/T 7714 | Chen, Ya-Wen , Cheng, Lu-Yun , Lin, Si-Qi et al. Remote information transfer between cavity-magnonics nodes [J]. | PHYSICA SCRIPTA , 2025 , 100 (1) . |
| MLA | Chen, Ya-Wen et al. "Remote information transfer between cavity-magnonics nodes" . | PHYSICA SCRIPTA 100 . 1 (2025) . |
| APA | Chen, Ya-Wen , Cheng, Lu-Yun , Lin, Si-Qi , Ye, Sai-Yun , Zhong, Zhi-Rong . Remote information transfer between cavity-magnonics nodes . | PHYSICA SCRIPTA , 2025 , 100 (1) . |
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Abstract ：
Cooling the motion of multiple isolated, levitated particles has the potential to explore the limits of quantum mechanics in a new mass regime. This technique not only serves as a foundation for examining macroscopic quantum states and building high-precision sensors, but also crucial for overcoming detrimental cross-coupling and decoherence effects in multimode systems. In this paper, we studied that the center-of-mass modes of multi-magnons can be simultaneously cooled to their quantum ground states. Our scheme is realized by adjusting the coupling position of the particle to compensate for the reduction in coupling strength due to magnonic excitations. Additionally, we find that the cooling rate of a magnon is influenced by its own coupling strength and the effective detuning. The numerical simulation results indicate that the lowest phonon occupancy can be cooled to less than 1 simultaneously.
Keyword ：
Cavity magnomechanical system Cavity magnomechanical system Levitated macromagnets Levitated macromagnets Quantum ground-state cooling Quantum ground-state cooling
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| GB/T 7714 | Chen, Lei , Liu, Yang , Bin, Liang et al. Simultaneous cooling of two levitated macromagnets in cavity magnomechanical system [J]. | QUANTUM INFORMATION PROCESSING , 2025 , 24 (3) . |
| MLA | Chen, Lei et al. "Simultaneous cooling of two levitated macromagnets in cavity magnomechanical system" . | QUANTUM INFORMATION PROCESSING 24 . 3 (2025) . |
| APA | Chen, Lei , Liu, Yang , Bin, Liang , Ye, Sai-Yun , Luo, Rong-Xiang , Zhong, Zhi-Rong . Simultaneous cooling of two levitated macromagnets in cavity magnomechanical system . | QUANTUM INFORMATION PROCESSING , 2025 , 24 (3) . |
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Abstract ：
The transfer of quantum entangled states is of fundamental interest in quantum physics and plays an important role in quantum information processing, quantum communication, and quantum technology. Here, we propose a scheme to transfer quantum entangled states of two photonic qubits by utilizing four microwave cavities coupled to a superconducting qutrit (a three-level quantum system). The photonic qubits are encoded using two orthogonal eigenstates of the photon-number parity operator with eigenvalues +/- 1, which allows for various encodings for the photonic qubits. The employment of four cavities at distinct frequencies effectively reduces the inter-cavity crosstalk. The utilization of only a single superconducting qutrit as the coupler significantly reduces the circuit resources. The entanglement transfer can be completed in just one step, making this scheme remarkably efficient. During the state transfer process, the third energy level of the coupler qutrit remains unoccupied, and thus decoherence from this level is diminished. Our numerical simulations demonstrate that within current circuit quantum electrodynamics technology, one can achieve high-fidelity transfer of the entangled states of two photonic qubits encoded via squeezed vacuum states and cat states. Our scheme possesses generality and can be applied to accomplish the same task in a variety of physical systems.
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| GB/T 7714 | Bin, Liang , Zhang, Dong-Xuan , Chen, Lei et al. Transmission of photonic entangled states encoded via eigenstates of photon-number parity operator [J]. | APPLIED PHYSICS LETTERS , 2025 , 126 (4) . |
| MLA | Bin, Liang et al. "Transmission of photonic entangled states encoded via eigenstates of photon-number parity operator" . | APPLIED PHYSICS LETTERS 126 . 4 (2025) . |
| APA | Bin, Liang , Zhang, Dong-Xuan , Chen, Lei , Kang, Yi-Hao , Zhong, Zhi-Rong , Su, Qi-Ping et al. Transmission of photonic entangled states encoded via eigenstates of photon-number parity operator . | APPLIED PHYSICS LETTERS , 2025 , 126 (4) . |
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In this paper, we show that the dynamical Casimir effect can be observed in a hybrid cavity optomechanical system. By introducing a two-level atom into the cavity, the atomic transition from an excited state to the ground state can evoke a two-photon process. Our proposal does not require a driving field to induce the dynamical Casimir effect, which is very alternative to previous schemes. Furthermore, we show that when the atom is replaced by an identical atomic ensemble, the system not only can simulate the similar dynamic Casimir effect, but also exist more plentiful physical phenomena, i.e., higher-order resonance. Numerical simulation confirms the validity of our derivation.
Keyword ：
Cavity optomechanical system Cavity optomechanical system Dynamical Casimir effect Dynamical Casimir effect Two-photon JC model Two-photon JC model
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| GB/T 7714 | Lan, Zi-Liang , Chen, Ya-Wen , Cheng, Lu-Yun et al. Dynamical Casimir effect in a hybrid cavity optomechanical system [J]. | QUANTUM INFORMATION PROCESSING , 2024 , 23 (3) . |
| MLA | Lan, Zi-Liang et al. "Dynamical Casimir effect in a hybrid cavity optomechanical system" . | QUANTUM INFORMATION PROCESSING 23 . 3 (2024) . |
| APA | Lan, Zi-Liang , Chen, Ya-Wen , Cheng, Lu-Yun , Chen, Lei , Ye, Sai-Yun , Zhong, Zhi-Rong . Dynamical Casimir effect in a hybrid cavity optomechanical system . | QUANTUM INFORMATION PROCESSING , 2024 , 23 (3) . |
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Nonclassical effects in mesoscopic systems have attracted much attention recently. In this paper, it is shown that multiphonon bundle emission can be observed in a strong-coupling cavity optomechanical system. Theoretical analysis shows that when the driving field is adjusted to nth-order sideband excitation, the coupling between the cavity mode and the vibrational mode leads to super-Rabi oscillations, and finally results in an n-phonon bundles emission. Based on the current technology, this process can work in a wide range of parameters. Numerical simulation confirms the validity of the derivation. It is thought that this physical mechanism broadens the applications of cavity optomechanical system in realm of quantum phononics, such as in quantum metrology and phonon laser.
Keyword ：
cavity optomechanical systems cavity optomechanical systems multiphonon bundle emissions multiphonon bundle emissions super-Rabi oscillations super-Rabi oscillations
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| GB/T 7714 | Deng, Tong-Hui , An, Xing-Wei , Lan, Zi-Liang et al. Multiphonon Bundle Emission in a Strong-Coupling Cavity Optomechanical System [J]. | ANNALEN DER PHYSIK , 2023 , 535 (4) . |
| MLA | Deng, Tong-Hui et al. "Multiphonon Bundle Emission in a Strong-Coupling Cavity Optomechanical System" . | ANNALEN DER PHYSIK 535 . 4 (2023) . |
| APA | Deng, Tong-Hui , An, Xing-Wei , Lan, Zi-Liang , Chen, Lei , Ye, Sai-yun , Zhong, Zhi-Rong . Multiphonon Bundle Emission in a Strong-Coupling Cavity Optomechanical System . | ANNALEN DER PHYSIK , 2023 , 535 (4) . |
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In this paper, we propose an efficient method to achieve a multimode quantum Rabi model in a strong-coupling cavity optomechanical system. In the proposed proposal, we show that when the driving bichromatic laser is simultaneously adjusted to red- and blue-sideband excitations, the interaction between the cavity mode and the vibrational modes can be treated as a multimode quantum Rabi model under the single-photon strong-coupling regime. As a typical example, we theoretically analyze the two-mode quantum Rabi model and show that the entangled state of two vibrational modes can be achieved in the two-mode quantum Rabi model. Numerical simulations confirm the validity of the proposed scheme.
Keyword ：
Cavity optomechanical system Cavity optomechanical system Entanglement Entanglement Quantum Rabi model Quantum Rabi model
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| GB/T 7714 | Chen, Lei , An, Xing-Wei , Deng, Tong-Hui et al. Toward multimode quantum Rabi model in a strong-coupling cavity optomechanical system [J]. | QUANTUM INFORMATION PROCESSING , 2022 , 21 (7) . |
| MLA | Chen, Lei et al. "Toward multimode quantum Rabi model in a strong-coupling cavity optomechanical system" . | QUANTUM INFORMATION PROCESSING 21 . 7 (2022) . |
| APA | Chen, Lei , An, Xing-Wei , Deng, Tong-Hui , Zhong, Zhi-Rong . Toward multimode quantum Rabi model in a strong-coupling cavity optomechanical system . | QUANTUM INFORMATION PROCESSING , 2022 , 21 (7) . |
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We present an alternative scheme to achieve Schrodinger cat states in a strong coupling hybrid cavity optomechanical system. Under the single-photon strong-coupling regime, the interaction between the atom-cavity-oscillator system can induce the mesoscopic mechanical oscillator to Schrodinger cat states. Comparing to previous schemes, the proposed proposal consider the second order approximation on the Lamb-Dicke parameter, which is more universal in the experiment. Numerical simulations confirm the validity of our derivation.
Keyword ：
hybrid cavity optomechanical system hybrid cavity optomechanical system quantum network quantum network
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| GB/T 7714 | An, Xingwei , Deng, Tonghui , Chen, Lei et al. Generation of Schrodinger Cat States in a Hybrid Cavity Optomechanical System [J]. | ENTROPY , 2022 , 24 (11) . |
| MLA | An, Xingwei et al. "Generation of Schrodinger Cat States in a Hybrid Cavity Optomechanical System" . | ENTROPY 24 . 11 (2022) . |
| APA | An, Xingwei , Deng, Tonghui , Chen, Lei , Ye, Saiyun , Zhong, Zhirong . Generation of Schrodinger Cat States in a Hybrid Cavity Optomechanical System . | ENTROPY , 2022 , 24 (11) . |
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