Scientists / Open questions

基普·索恩

Kip S. Thorne

广义相对论、黑洞、引力波

2017 年诺贝尔物理学奖

28 个问题

  1. Feasibility of the Braginsky–Polnarev–Thorne South Pole Foucault-pendulum measurement of the Earth's gravitomagnetic precession

  2. Quantum-field-theoretic realizability and stability of traversable-wormhole time machines: the open questions of Morris, Thorne, and Yurtsever

  3. Completing the dynamical stability picture of Melvin's magnetic universe: unrestricted finite-amplitude and nonradial perturbations, the toroidal magnetic geon, and the flux-resistance principle

  4. Do vacuum fluctuations prevent the creation of closed timelike curves? (chronology protection for wormhole time machines)

  5. The physical status of Thorne's C-energy: the torus–Schwarzschild mass relation, comparison with other energy prescriptions, and generalization to non-asymptotically-flat spacetimes (the open questions of Thorne 1965)

  6. Robustness of the Thorne limit: the asymptotic spin and accretion efficiency of a black hole growing by disk accretion under realistic magnetic, radiative, and geometric conditions

  7. Does a mechanical oscillator's initial quantum state influence classical-force monitoring by a strongly nonlinear (null-detector) meter?

  8. Completing the Maxwell-like formulation of post-Newtonian gravity: the explicit 1PN energy-conservation law

  9. Experimental realization of quantum nondemolition (back-action-evading) measurement of a harmonic oscillator with sensitivity below the standard quantum limit for weak-force detection

  10. Finite curvature-coupling remainder of the renormalized stress-energy tensor near the horizon of a rotating black hole, and the regularity of the mirror-modified Hartle-Hawking state

  11. Observational detection of gravitational-wave memory: first definitive evidence for the permanent strain offset of a gravitational-wave burst with memory

  12. Realization of Pure Laboratory Tests of Relativistic Gravity with Controlled Laboratory Sources: Magnetic-Type Gravity, Stress-Produced Gravity, and Related Post-Newtonian Effects

  13. Self-force-consistent transition from inspiral to plunge for generic (inclined, eccentric) orbits around a Kerr black hole

  14. Environmental noise budget and practical feasibility of the Earth-orbiting 'skyhook' tether gravitational-wave detector (Braginsky–Thorne, 1985)

  15. Seismic gravity-gradient (Newtonian) noise at the LIGO sites: site-specific determination and quantitative feasibility of monitoring-and-correction and moat shielding

  16. Physical admissibility of spacetimes with closed timelike curves: self-consistency, benignness genericity, and chronology protection

  17. Quantum propagation through a wormhole time machine beyond the free nonrelativistic case: relativistic and interacting extensions, singularity excision, and the probability prescription when unitarity fails

  18. Schiff's conjecture: does the weak equivalence principle imply the Einstein equivalence principle for every complete, self-consistent theory of gravity?

  19. Physical feasibility of macroscopic traversable wormholes: quantum energy inequalities and higher-dimensional bulk support

  20. Does infinitesimal rotation prevent naked singularity formation in nonspherical relativistic collapse? The open reach of the Apostolatos–Thorne cylindrical bounce

  21. Multiplicity of self-consistent solutions for a billiard ball in a wormhole time-machine spacetime: existence and classification

  22. Testing black-hole MACHO (primordial black hole) binaries with gravitational waves: coalescence-rate prediction, primordial-spectrum consistency, and discrimination from neutron-star binaries

  23. Validation of the Brady-Creighton-Thorne co-rotating minimal-strain scheme for the Intermediate Binary Black Hole (IBBH) problem

  24. Explicit relations among the classical definitions of multipole moments for stationary isolated systems in general relativity (Thorne, 1980)

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