Entanglement of magnetically levitated massive Schrödinger cat states by induced dipole interaction

Marshman, Ryan J.; Bose, Sougato; Geraci, Andrew; Mazumdar, Anupam

doi:10.1103/physreva.109.l030401

Phys. Rev. A

2024

DOI: 10.1103/physreva.109.l030401

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Entanglement of magnetically levitated massive Schrödinger cat states by induced dipole interaction

Ryan J. Marshman,

Sougato Bose,

Andrew Geraci

et al.

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2024

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Cited by 4 publications

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Entanglement dynamics of two optical modes coupled through a dissipative movable mirror in an optomechanical system

Schnepper,

Cius,

Andrade

2024

J. Phys. A: Math. Theor.

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Nonclassical states are an important class of states in quantum mechanics, particularly for applications in quantum information theory. Optomechanical systems are invaluable platforms for exploring and harnessing these states. In this study, we focus on a mirror-in-the-middle optomechanical system. In the absence of losses, a separable state, composed of the product of coherent states, evolves into an entangled state. Furthermore, we demonstrate that generating a two-mode Schrödinger-cat state depends on the optomechanical coupling. Additionally, when the optical modes are uncoupled from the mechanical mode, we find no entanglement for certain nonzero optomechanical coupling intensities. We exactly solve the Gorini-Kossalokowinki-Sudarshan-Lindblad master equation, highlighting the direct influence of the reservoir on the dynamics when mechanical losses are considered. Then, we discuss vacuum one-photon superposition states to obtain exact entanglement dynamics using concurrence as a quantifier. Our results show that mechanical losses in the mirror attenuate the overall entanglement of the system.

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Entanglement dynamics of two optical modes coupled through a dissipative movable mirror in an optomechanical system

Schnepper,

Cius,

Andrade

2024

J. Phys. A: Math. Theor.

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show abstract

Dephasing due to electromagnetic interactions in spatial qubits

Schut,

Bosma,

et al. 2024

Phys. Rev. A

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Magnetically induced Schrödinger cat states: The shadow of a quantum space

Nandi,

Debnath,

Kala

et al. 2024

Phys. Rev. A

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Entanglement of magnetically levitated massive Schrödinger cat states by induced dipole interaction

Cited by 4 publications

References 47 publications

Entanglement dynamics of two optical modes coupled through a dissipative movable mirror in an optomechanical system

Entanglement dynamics of two optical modes coupled through a dissipative movable mirror in an optomechanical system

Dephasing due to electromagnetic interactions in spatial qubits

Magnetically induced Schrödinger cat states: The shadow of a quantum space

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