Quantum aspects of spacetime: A quantum optics view of acceleration radiation and black holes
arXiv:2508.17401 · doi:10.1080/14786435.2025.2605361
Abstract
For the centennial of quantum mechanics, we offer an overview of the central role played by quantum information and thermalization in problems involving fundamental properties of spacetime and gravitational physics. This is an open area of research still a century after the initial development of formal quantum mechanics, highlighting the effectiveness of quantum physics in the description of all natural phenomena. These remarkable connections can be highlighted with the tools of modern quantum optics, which effectively addresses the three-fold interplay of interacting atoms, fields, and spacetime backgrounds describing gravitational fields and noninertial systems. In this review article, we select aspects of these phenomena centered on quantum features of the acceleration radiation of particles in the presence of black holes. The ensuing horizon-brightened radiation (HBAR) provides a case study of the role played by quantum physics in nontrivial spacetime behavior, and also shows a fundamental correspondence with black hole thermodynamics.
arXiv comment93 pages, 11 figures. Revised version with: (i) typos corrected; (ii) 5 additional figures (Figs. 1, 3, 7, 9, and 10); (iii) subsubsections added in Secs. I, II, III, and IV; (iv) significant expansions of Secs. III and IV; (v) subsections added in Sec. VII
References in corpus (92)
- Holographic Derivation of Entanglement Entropy from AdS/CFT
- Circuit Quantum Electrodynamics: Coherent Coupling of a Single Photon to a Cooper Pair Box
- Microscopic Origin of the Bekenstein-Hawking Entropy
- Circuit Quantum Electrodynamics
- Quantum nature of a strongly-coupled single quantum dot-cavity system
- Black Hole Entropy from Near-Horizon Microstates
- The information paradox: A pedagogical introduction
- The Unruh effect and its applications
- Observation of the Dynamical Casimir Effect in a Superconducting Circuit
- Resolving photon number states in a superconducting circuit
- The Kerr/CFT Correspondence
- On the Integrability of the Rabi Model
- The Thermodynamics of Black Holes
- Coherent dynamics of a flux qubit coupled to a harmonic oscillator
- The entropy of Hawking radiation
- Quantum Information and Relativity Theory
- Black Hole Entropy from Conformal Field Theory in Any Dimension
- Dynamical Casimir effect in a Josephson metamaterial
- Generalized rotating-wave approximation for arbitrarily large coupling
- A Primer for Black Hole Quantum Physics
- Hidden Conformal Symmetry of the Kerr Black Hole
- Hybrid quantum devices and quantum engineering
- The dynamical Casimir effect in a superconducting coplanar waveguide
- Exact solvability of the quantum Rabi models within Bogoliubov operators
- Vacuum Rabi oscillations in a macroscopic superconducting qubit LC oscillator system
- Conformal description of horizon's states
- Black Holes and Calogero Models
- The quantum Rabi model: solution and dynamics
- Quantum Measurement of a Coupled Nanomechanical Resonator -- Cooper-Pair Box System
- The Kerr Metric
- Black Holes in Loop Quantum Gravity
- Generation of EPR-entangled radiation through an atomic reservoir
- Semi-classical and quantum Rabi models: in celebration of 80 years
- Renormalization of the Inverse Square Potential
- Near-Horizon Conformal Structure of Black Holes
- Enhancing Acceleration Radiation from Ground-State Atoms via Cavity Quantum Electrodynamics
- Detectors for probing relativistic quantum physics beyond perturbation theory
- Analytical eigenstates for the quantum Rabi model
- Quantum Anomaly in Molecular Physics
- Astrophysical Black Holes: A Compact Pedagogical Review
- Near Extremal Kerr Entropy from AdS_2 Quantum Gravity
- Dynamics of quantum information
- Anomaly in conformal quantum mechanics: From molecular physics to black holes
- Relativistic Quantum Information in Detectors-Field Interactions
- Further Evidence for the Conformal Structure of a Schwarzschild Black Hole in an Algebraic Approach
- Backreaction and Unruh effect: New insights from exact solutions of uniformly accelerated detectors
- Time evolution techniques for detectors in relativistic quantum information
- Radiation from Atoms Falling into a Black Hole
- Horizon States for AdS Black Holes
- Full spectrum of the Rabi model
- Engineering Atomic Quantum Reservoirs for Photons
- The Making of the Standard Model
- Scully-Lamb quantum laser model for parity-time-symmetric whispering-gallery microcavities: Gain saturation effects and non-reciprocity
- Analogue simulations of quantum gravity with fluids
- Dimensional Transmutation and Dimensional Regularization in Quantum Mechanics. I. General Theory
- Quantum electrodynamics of accelerated atoms in free space and in confined cavities
- Unruh-deWitt detectors in quantum superpositions of trajectories
- Black Hole Thermodynamics from Near-Horizon Conformal Quantum Mechanics
- Symmetries, Horizons, and Black Hole Entropy
- Dimensional Transmutation and Dimensional Regularization in Quantum Mechanics. II: Rotational Invariance
- Near-horizon aspects of acceleration radiation by free fall of an atom into a black hole
- Unruh Acceleration Radiation Revisited
- The Equivalence Principle at Work in Radiation from Unaccelerated Atoms and Mirrors
- Renormalization in conformal quantum mechanics
- Anomalous Commutator Algebra for Conformal Quantum Mechanics
- Acceleration radiation of an atom freely falling into a Kerr black hole and near-horizon conformal quantum mechanics
- Dispersion Interactions between Neutral Atoms and the Quantum Electrodynamical Vacuum
- Hawking radiation by Kerr black holes and conformal symmetry
- Liouvillian spectral collapse in the Scully-Lamb laser model
- Analogue gravity and the Hawking effect: historical perspective and literature review
- Semiclassical Methods in Curved Spacetime and Black Hole Thermodynamics
- SO(2,1) conformal anomaly: Beyond contact interactions
- Time evolution of the Rabi Hamiltonian from the unexcited vacuum
- Equivalence principle and HBAR entropy of an atom falling into a quantum corrected black hole
- Detector response along null geodesics in black hole spacetimes and in a Friedmann-Lemaitre-Robertson-Walker Universe
- Atom falling into a quantum corrected charged black hole and HBAR entropy
- Near horizon aspects (and beyond) of acceleration radiation of an atom falling into a large class of static spherically symmetric black hole geometries
- Dynamical Casimir effect in curved spacetime
- Regularized Green's Function for the Inverse Square Potential
- Conformal Tightness of Holographic Scaling in Black Hole Thermodynamics
- Horizon brightened accelerated radiation in the background of braneworld black holes
- Black Hole - Moving Mirror I: An Exact Correspondence
- Exactly solvable approximating models for Rabi Hamiltonian dynamics
- Practical Few-Atom Quantum Reservoir Computing
- Inverse logarithmic correction in the HBAR entropy of an atom falling into a renormalization group improved charged black hole
- Spectral Properties of the Symmetry Generators of Conformal Quantum Mechanics: A Path-Integral Approach
- Effective Field Theory Program for Conformal Quantum Anomalies
- Derivative coupling in horizon brightened acceleration radiation: a quantum optics approach
- Black Hole - Moving Mirror II: Particle Creation
- Path Integral Treatment of Singular Problems and Bound States: Quantum Mechanics
- Conformal Enhancement of Holographic Scaling in Black Hole Thermodynamics: A Near-Horizon Heat-Kernel Framework
- Atom-field dynamics in curved spacetime