Quantum Sensing of Antiferromagnetic Magnon Two-Mode Squeezed Vacuum
arXiv:2402.13203 · doi:10.1103/PhysRevB.109.174410
Abstract
Néel ordered antiferromagnets exhibit two-mode squeezing such that their ground state is a nonclassical superposition of magnon Fock states. Here we theoretically demonstrate that antiferromagnets can couple to spin qubits via direct dispersive interaction stemming from, e.g., interfacial exchange. We demonstrate that this kind of coupling induces a magnon number dependent level splitting of the excited state resulting in multiple system excitation energies. This series of level splittings manifests itself as nontrivial excitation peaks in qubit spectroscopy thereby revealing the underlying nonclassical magnon composition of the antiferromagnetic quantum state. By appropriately choosing the drive or excitation energy, the magnonic state can be controlled via the qubit, suggesting that Fock states of magnon pairs can be generated deterministically. This enables achieving states useful for quantum computing and quantum information science protocols.
arXiv commentAccepted version, 13 pages, 3 figures
References in corpus (49)
- Layer-dependent Ferromagnetism in a van der Waals Crystal down to the Monolayer Limit
- Quantum Computing
- Antiferromagnetic spintronics
- Bell nonlocality
- Antiferromagnetic spintronics
- Advances in Quantum Teleportation
- Resolving photon number states in a superconducting circuit
- Probing condensed matter physics with magnetometry based on nitrogen-vacancy centres in diamond
- Quantum magnonics: when magnon spintronics meets quantum information science
- Squeezed Optomechanics with Phase-matched Amplification and Dissipation
- First Long-Term Application of Squeezed States of Light in a Gravitational-Wave Observatory
- Resolving magnon number states in quantum magnonics
- Semiconductor Qubits In Practice
- Experimental test of the spin mixing interface conductivity concept
- Dispersive regime of circuit QED: photon-dependent qubit dephasing and relaxation rates
- Exponentially-Enhanced Light-Matter Interaction, Cooperativities, and Steady-State Entanglement Using Parametric Amplification
- Scaling behavior of the spin pumping effect in ferromagnet/platinum bilayers
- Qubit-oscillator dynamics in the dispersive regime: analytical theory beyond rotating-wave approximation
- Spin convertance at magnetic interfaces
- Quantum magnonics: magnon meets superconducting qubit
- Dissipation-based Quantum Sensing of Magnons with a Superconducting Qubit
- Quantum control of a single magnon in a macroscopic spin system
- Electric-Field-Controlled Antiferromagnetic Spintronic Devices
- Enhancing cavity QED via anti-squeezing: synthetic ultra-strong coupling
- Enhancement of antiferromagnetic magnon-magnon entanglement by cavity cooling
- Super-Poissonian shot noise of squeezed-magnon mediated spin transport
- Magnon squeezing in an antiferromagnet: reducing the spin noise below the standard quantum limit
- Antiferromagnetic magnons as highly squeezed Fock states underlying quantum correlations
- Weak ferromagnetism in antiferromagnets: FeO and LaCuO
- Interfacial Spin and Heat Transfer between Metals and Magnetic Insulators
- Quantum sensing and imaging of spin-orbit-torque-driven spin dynamics in noncollinear antiferromagnet Mn3Sn
- Magnon-squeezing as a niche of quantum magnonics
- Noninteger-spin magnonic excitations in untextured magnets
- Spin pumping and shot noise in ferrimagnets: bridging ferro- and antiferromagnets
- Atomic-scale spin-polarization maps using functionalized superconducting probes
- Nonclassical photon number distribution in a superconducting cavity under a squeezed drive
- Laser-driven quantum magnonics and THz dynamics of the order parameter in antiferromagnets
- Magnon-magnon entanglement and its detection in a microwave cavity
- Magnon-mediated spin current noise in ferromagnetnon-magnetic conductor hybrids
- Spin splitting induced in a superconductor by an antiferromagnetic insulator
- Quantum behavior of a many photons cavity field revealed by quantum discord
- Magnetic properties of hematite revealed by an ab initio parameterized spin model
- Master equation approach to magnon relaxation and dephasing
- Resolving nonclassical magnon composition of a magnetic ground state via a qubit
- Cavity magnonics with easy-axis ferromagnet: Critically enhanced magnon squeezing and light-matter interaction
- Pure dephasing of magnonic quantum states
- Quantum Magnetism, Spin Waves, and Light
- Transmon probe for quantum characteristics of magnons in antiferromagnets
- Magnon Transport in the Presence of Antisymmetric Exchange in a Weak Antiferromagnet
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