Observation of negative-frequency waves in a water tank: A classical analogue to the Hawking effect?

Abstract

The conversion of positive-frequency waves into negative-frequency waves at the event horizon is the mechanism at the heart of the Hawking radiation of black holes. In black-hole analogues, horizons are formed for waves propagating in a medium against the current when and where the flow exceeds the wave velocity. We report on the first direct observation of negative-frequency waves converted from positive-frequency waves in a moving medium. The measured degree of mode conversion is significantly higher than expected from theory.

References in corpus (13)

• Acoustic black holes: horizons, ergospheres, and Hawking radiation
• Fiber-optical analogue of the event horizon
• Dumb Holes and the Effects of High Frequencies on Black Hole Evaporation
• Loop Quantum Gravity
• Sonic analog of gravitational black holes in Bose-Einstein condensates
• Hawking Spectrum and High Frequency Dispersion
• A Primer for Black Hole Quantum Physics
• Gravity wave analogs of black holes
• Hawking Radiation Without Transplanckian Frequencies
• Hawking radiation in sonic black holes
• Quantum Physics of Simple Optical Instruments
• Hawking-like radiation does not require a trapped region
• Fiber-optical analogue of the event horizon: Appendices

Cited by in corpus (160)

• Analogue Gravity
• Fiber-optical analogue of the event horizon
• Observation of quantum Hawking radiation and its entanglement in an analogue black hole
• Measurement of stimulated Hawking emission in an analogue system
• Observation of self-amplifying Hawking radiation in an analog black hole laser
• Observation of thermal Hawking radiation at the Hawking temperature in an analogue black hole
• Hawking radiation from ultrashort laser pulse filaments
• Realization of a sonic black hole analogue in a Bose-Einstein condensate
• Numerical observation of Hawking radiation from acoustic black holes in atomic Bose-Einstein condensates
• Observation of Stimulated Hawking Radiation in Optics
• Black-hole radiation in Bose-Einstein condensates
• Observation of noise correlated by the Hawking effect in a water tank
• Bogoliubov Theory of acoustic Hawking radiation in Bose-Einstein Condensates
• Observation of stationary spontaneous Hawking radiation and the time evolution of an analogue black hole
• Horizon effects with surface waves on moving water
• The theory of Hawking radiation in laboratory analogues
• Acoustic black holes in a two-dimensional "photon-fluid"
• Analogue simulations of quantum gravity with fluids
• Magnonic black holes
• Quantum entanglement in analogue Hawking radiation, when is the final state non-separable ?
• Departing from thermality of analogue Hawking radiation in a Bose-Einstein condensate
• The next generation of analogue gravity experiments
• Rotating black holes in a draining bathtub: superradiant scattering of gravity waves
• Acoustic Black Holes from Abelian Higgs Model with Lorentz Symmetry Breaking
• Experimental demonstration of the supersonic-subsonic bifurcation in the circular jump: A hydrodynamic white hole
• Acoustic white holes in flowing atomic Bose-Einstein condensates
• Backreaction in an analogue black hole experiment
• Scattering of co-current surface waves on an analogue black hole
• An all-optical event horizon in an optical analogue of a Laval nozzle
• Acoustic black holes for relativistic fluids
• Quantum vacuum radiation in optical glass
• Wave blocking and partial transmission in subcritical flows over an obstacle
• Dirac Equation in (1+1)-Dimensional Curved Spacetime and the Multiphoton Quantum Rabi Model
• Optical black hole lasers
• Polariton fluids for analogue gravity physics
• Probing the thermal character of analogue Hawking radiation for shallow water waves?
• Phonon spectrum and correlations in a transonic flow of an atomic Bose gas
• Undulations from amplified low frequency surface waves
• Analog Schwarzschild black holes of Bose-Einstein condensates in a cavity: Quasinormal modes and quasibound states
• Derivation of Hawking radiation in dispersive dielectric media
• Superresonance effect from a rotating acoustic black hole and Lorentz symmetry breaking
• Supersonic Velocities in Noncommutative Acoustic Black Holes
• On the Universality of Hawking Radiation
• Step-like discontinuities in Bose-Einstein condensates and Hawking radiation: dispersion effects
• Accurate Determination of Hubble Attenuation and Amplification in Expanding and Contracting Cold-Atom Universes
• Dynamics of fluctuations in an optical analog of the Laval nozzle
• Optical analogues of black-hole horizons
• Quantum vacuum excitation of a quasi-normal mode in an analog model of black hole spacetime
• Hawking radiation of massive modes and undulations
• Analogue Wormholes and Black Hole LASER Effect in Hydrodynamics
• Dissipative fields in de Sitter and black hole spacetimes: Quantum entanglement due to pair production and dissipation
• The entropy of the noncommutative acoustic black hole based on generalized uncertainty principle
• Quantum metric of non-Hermitian Su-Schrieffer-Heeger systems
• Analogue gravity and the Hawking effect: historical perspective and literature review
• Analogue Aharonov-Bohm effect in neo-Newtonian theory
• Classical aspects of Hawking radiation verified in analogue gravity experiment
• Superradiant scattering of dispersive fields
• Quantum vacuum emission from a refractive index front
• Hawking spectrum for a fiber-optical analog of the event horizon
• Cloaks, editors, and bubbles: applications of spacetime transformation theory
• Hawking radiation with dispersion: The broadened horizon paradigm
• Superradiance in dispersive black hole analogues
• The Cerenkov effect revisited: from swimming ducks to zero modes in gravitational analogs
• Massive phonons and gravitational dynamics in a photon-fluid model
• Simulation of the massless Dirac field in 1+1D curved spacetime
• Quantum-corrected rotating acoustic black holes in Lorentz-violating background
• On the Limits of Experimental Knowledge
• Survey of analogue spacetimes
• Scattering of gravity waves in subcritical flows over an obstacle
• AdS and dS black hole solutions in analogue gravity: The relativistic and non-relativistic cases
• The influence of spacetime curvature on quantum emission in optical analogues to gravity
• Proposal for an analog Schwarzschild black hole in condensates of light
• Hawking Radiation on an Ion Ring in the Quantum Regime
• Magnonic Analogue of Black/White Hole Horizon in Superfluid ${}^3$He-B
• Nonlocality and fluctuations near the optical analog of a sonic horizon
• Analytical description of quantum emission in optical analogues to gravity
• Impossibility of superluminal travel in Lorentz violating theories
• Resonant Hawking radiation as an instability
• Analogue gravity by an optical vortex. Resonance enhancement of Hawking radiation
• Negative frequencies in wave propagation: a microscopic model
• Analogue Quantum Simulation: A New Instrument for Scientific Understanding
• The Basics of Water Waves Theory for Analogue Gravity
• Theoretical study of stimulated and spontaneous Hawking effects from an acoustic black hole in a hydrodynamically flowing fluid of light
• Towards experimentally testing the paradox of black hole information loss
• Perturbing the vortex: quasinormal and quasibound spectra of rotating acoustic geometries
• On Spin Dependence of Relativistic Acoustic Geometry
• Classical Hydrodynamics for Analogue Spacetimes: Open Channel Flows and Thin Films
• Integral method for the calculation of Hawking radiation in dispersive media I. Symmetric asymptotics
• Elastic wavepackets crossing a space-time interface
• Slow Sound in a duct, effective transonic flows and analogue black holes
• Analogue model for anti-de Sitter as a description of point sources in fluids
• Thermodynamic optimization of a Penrose process: an engineers' approach to black hole thermodynamics
• Zel'dovich amplification in a superconducting circuit
• Hawking radiation in the presence of high-momentum dissipation
• No hair theorems for analogue black holes
• Scattering of surface shallow water waves on a draining bathtub vortex
• Huygens' envelope principle in Finsler spaces and analogue gravity
• Acoustic geometry obtained through the perturbation of the Bernoulli's constant
• Analogue Hawking Effect: BEC and Surface Waves
• Confirmation of stimulated Hawking radiation, but not of black hole lasing
• Optical analogue of the Schwarzschild-Planck metric
• Linear perturbations of low angular momentum accretion flow in the Kerr metric and the corresponding emergent gravity phenomena
• Analogue models for Schwarzschild and Reissner-Nordström spacetimes
• Aharonov-Bohm effect for a fermion field in a planar black hole "spacetime"
• Hawking radiation in a two-component Bose-Einstein condensate
• Maxwell's Fishpond
• Suppression of infrared instability in trans-sonic flows by condensation of zero-frequency short wave length phonons
• Viscous dissipation of surface waves and its relevance to analogue gravity experiments
• Integral method for the calculation of Hawking radiation in dispersive media II. Asymmetric asymptotics
• An exact solution for the Hawking effect in a dispersive fluid
• Does the spacelike character of the Minkowski four-momentum show up in analog gravity?
• Causality and Stability from Acoustic Geometry
• Some aspects of dispersive horizons: lessons from surface waves
• Acoustic analogue of Hawking radiation in quantized circular superflows of Bose-Einstein condensates
• Hawking temperature in dispersive media: Analytical and numerical study
• Classical and quantal aspects of Minkowski's four-momentum in analog gravity
• "Exotic" quantum effects in the laboratory?
• Superresonance Phenomenon from Acoustic Black Holes in Neo-Newtonian theory
• Logarithmic catastrophes and Stokes's phenomenon in waves at horizons
• Superradiant phononic emission from the analog spin ergoregion in a two-component Bose-Einstein condensate
• Hawking radiation from an analogue bouncing geometry
• Speed limit of quantum dynamics near the event horizon of black holes
• Analogue metric in a black bounce background
• Inverse problem of analog gravity systems II: Rotation and energy-dependent boundary conditions
• Negative frequencies in pulse propagation equations and the double analytic signal
• Robin boundary conditions in acoustic BTZ black holes
• Emergent physics on Mach's principle and the rotating vacuum
• Formation dynamics of black- and white-hole horizons in an analogue gravity model
• Analog model for the BTZ black hole
• The flexibility of optical metrics
• Non-linear effective field theory simulators in two-fluid interfaces
• Finite width of the sonic event horizon and grey body Hawking radiation
• Blue Holes and Froude Horizons: Circular Shallow Water Profiles for Astrophysical Analogs
• Quantum simulation of particle creation in curved space-time
• Classical description of quantum randomness using stochastic gauge systems
• Analogue gravitational lensing in optical Bose-Einstein condensates
• Optical Black-hole Analog Created by Topological Phase Transition with a Long-lived Horizon
• Towards experimentally studying some puzzles of Hawking radiation
• Perturbative Approach to Analog Hawking Radiation in dielectric media in subcritical regime
• How to create analogue black hole or white fountain horizons and LASER cavities in experimental free surface hydrodynamics?
• An escape of vector matter-wave soliton from a parabolic trap
• Horizon effects for surface waves in wave channels and circular jumps
• Pairs of surface wave packets with zero-sum energy in the Hawking radiation analog
• What we cannot learn from analogue experiments
• Stimulated Hawking effect and quasinormal mode resonance in a polariton simulator of field theory on curved spacetime
• Analogue Hawking temperature of a laser-driven plasma
• Black holes will break up solitons and white holes may destroy them
• Listening to Quantum Gravity?
• Soliton Diffusion as a Signature of Hawking Radiation in Bose-Einstein Condensates
• Acoustic Analogues of Extremal Rotating Black Holes in Exciton-Polariton Condensates
• The circular jump as a hydrodynamic white hole
• Bogoliubov mode dynamics and non-adiabatic transitions in time-varying condensed media
• Bayesian analysis of analog gravity systems with the Rezzolla-Zhidenko metric
• Acoustic black and white holes of potential flow in a tube
• Invisibility carpet in a channel with a structured fluid
• Studies on particle creation during the universe expansion with a laser system
• Analogue Black Holes in Reactive Molecules
• Recreating Fundamental Effects in the Laboratory?
• Probing Penrose-type singularities in sonic black holes
• Thin accretion disks around a Schwarzschild acoustic black hole