Force-Gradient Sensing and Entanglement via Feedback Cooling of Interacting Nanoparticles

Abstract

We show theoretically that feedback-cooling of two levitated, interacting nanoparticles enables differential sensing of forces and the observation of stationary entanglement. The feedback drives the two particles into a stationary, non-thermal state which is susceptible to inhomogeneous force fields and which exhibits entanglement for sufficiently strong inter-particle couplings. We predict that force-gradient sensing at the zepto-Newton per micron range is feasible and that entanglement due to the Coulomb interaction between charged particles can be realistically observed in state-of-the-art setups.

arXiv comment14 pages, 4 figures

References in corpus (53)

• A computable measure of entanglement
• A Spin Entanglement Witness for Quantum Gravity
• Gravitationally-induced entanglement between two massive particles is sufficient evidence of quantum effects in gravity
• Motional Quantum Ground State of a Levitated Nanoparticle from Room Temperature
• Remote quantum entanglement between two micromechanical oscillators
• Entangled massive mechanical oscillators
• Testing the limits of quantum mechanical superpositions
• Levitodynamics: Levitation and control of microscopic objects in vacuum
• Real-time optimal quantum control of mechanical motion at room temperature
• Zeptonewton force sensing with nanospheres in an optical lattice
• Quantum control of a nanoparticle optically levitated in cryogenic free space
• Measurement and control of a mechanical oscillator at its thermal decoherence rate
• A comparison of entanglement measures
• Optomechanics with Levitated Particles
• Ultrasensitive torque detection with an optically levitated nanorotor
• Observable quantum entanglement due to gravity
• An optomechanical Bell test
• Cold Damping of an Optically Levitated Nanoparticle to micro-Kelvin Temperatures
• Purity of Gaussian states: measurement schemes and time-evolution in noisy channels
• Cavity cooling of a levitated nanosphere by coherent scattering
• Motional Sideband Asymmetry of a Nanoparticle Optically Levitated in Free Space
• Observation of strong and tunable light-induced dipole-dipole interactions between optically levitated nanoparticles
• Searching for new physics using optically levitated sensors
• Cavity-Based 3D Cooling of a Levitated Nanoparticle via Coherent Scattering
• Force sensing with an optically levitated charged nanoparticle
• Optimal Feedback Cooling of a Charged Levitated Nanoparticle with Adaptive Control
• Parametric Feedback Cooling of Levitated Optomechanics in a Parabolic Mirror Trap
• Mechanical Quantum Sensing in the Search for Dark Matter
• Large Quantum Delocalization of a Levitated Nanoparticle using Optimal Control: Applications for Force Sensing and Entangling via Weak Forces
• Quantum rotations of nanoparticles
• Entanglement of mechanical oscillators coupled to a non-equilibrium environment
• Using an atom interferometer to infer gravitational entanglement generation
• Theory for Cavity Cooling of Levitated Nanoparticles via Coherent Scattering: Master Equation Approach
• Optical cold damping of neutral nanoparticles near the ground state in an optical lattice
• Two-dimensional quantum motion of a levitated nanosphere
• Witnessing the non-classical nature of gravity in the presence of unknown interactions
• Partial Optomechanical Refrigeration via Multimode Cold-Damping Feedback
• Enhancing Gravitational Interaction between Quantum Systems by a Massive Mediator
• Observation of radiation torque shot noise on an optically levitated nanodumbbell
• Cooling nanorotors by elliptic coherent scattering
• Resolved Sideband Cooling of a Levitated Nanoparticle in the Presence of Laser Phase Noise
• Coherent scattering of low mass dark matter from optically trapped sensors
• Real-Time Kalman Filter: Cooling of an Optically Levitated Nanoparticle
• Quantum experiments with microscale particles
• Gas-induced friction and diffusion of rigid rotors
• Enhanced force sensitivity and entanglement in periodically driven optomechanics
• Entangling levitated nanoparticles by coherent scattering
• On the Significance of Interferometric Revivals for the Fundamental Description of Gravity
• Distribution of laser shot noise energy delivered to a levitated nanoparticle
• Parametric Feedback Cooling of Rigid Body Nanodumbbells in Levitated Optomechanics
• Stationary Gaussian Entanglement between Levitated Nanoparticles
• Detecting nonclassical correlations in levitated cavity optomechanics
• Theory of nanoparticle cooling by elliptic coherent scattering

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• Entanglement-Enhanced Optomechanical Sensing
• Massive quantum systems as interfaces of quantum mechanics and gravity
• What gravity mediated entanglement can really tell us about quantum gravity
• Observations of a PT-like phase transition and limit cycle oscillations in non-reciprocally coupled optomechanical oscillators levitated in vacuum
• Generating quantum entanglement between macroscopic objects with continuous measurement and feedback control
• Continuity Equation for the Flow of Fisher Information in Wave Scattering
• Optimal Cooling of Multiple Levitated Particles through Far-Field Wavefront-Shaping
• Unique Steady-State Squeezing in a Driven Quantum Rabi Model
• Quantum Optical Binding of Nanoscale Particles
• Event-Based Imaging of Levitated Microparticles
• Optimal Cooling of Multiple Levitated Particles: Theory of Far-Field Wavefront-Shaping
• Quantum theory of non-Hermitian optical binding between nanoparticles
• Quantum signature of gravity in optomechanical systems with conditional measurement
• Radiation forces and torques in optics and acoustics
• Non-Hermitian physics of levitated nanoparticle array
• Decoherence of dielectric particles by thermal emission
• Motional entanglement of remote optically levitated nanoparticles
• Measurement-induced phase transition in free bosons
• Exponentially enhanced gravitationally induced entanglement between quantum systems with a two-phonon drive
• Semiclassical gravity beyond coherent states
• Coulomb coupling between two nanospheres trapped in a bichromatic optical tweezer
• Simultaneous ground-state cooling of two levitated nanoparticles by coherent scattering
• Collective-motion-enhanced acceleration sensing via an optically levitated microsphere array
• Neuromorphic detection and cooling of microparticles in arrays
• Apparent violations of the second law in the quantum-classical dynamics of interacting levitated nanoparticles
• Steady-state entanglement of interacting masses in free space through optimal feedback control
• Quantum-induced Stochastic Optomechanical Dynamics
• Sensing force gradients with cavity optomechanics while evading backaction
• Coherent control of levitated nanoparticles via dipole-dipole interaction
• Bayesian optimization of non-classical optomechanical correlations
• Talking with a ghost: semi-virtual coupled levitated oscillators
• Nonlinear stochastic and quantum motion from Coulomb forces