Emergence of Gravitational Potential and Time Dilation from Non-interacting Systems Coupled to a Global Quantum Clock
- URL: http://arxiv.org/abs/2304.01263v2
- Date: Thu, 16 Oct 2025 20:34:28 GMT
- Title: Emergence of Gravitational Potential and Time Dilation from Non-interacting Systems Coupled to a Global Quantum Clock
- Authors: Ashmeet Singh, Oliver Friedrich,
- Abstract summary: We study gravitational back-reaction within the Page-Wootters formulation of quantum mechanics by treating time as a quantum degree of freedom.<n>Our approach also reveals renormalization features, potentially softening high-energy divergences and suggesting that particles in superposition might introduce quantum corrections to gravitational time dilation.
- Score: 0.02864713389096699
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: We study gravitational back-reaction within the Page-Wootters formulation of quantum mechanics by treating time as a quantum degree of freedom. Our model introduces a distinction between global coordinate time, represented as a relational quantum observable, and proper time, measured by internal quantum degrees of freedom of physical systems. By coupling mass-energy with coordinate time through a Wheeler-DeWitt-like constraint, we demonstrate the natural emergence of gravitational time dilation. In the presence of a massive object this agrees with time dilation in a Schwarzchild metric at leading order if the interaction strength is taken to be representative of the gravitational coupling $G$. Additionally, when two particles independently couple to the time coordinate, a Newtonian gravitational interaction arises in the low-energy limit, showing how gravitational potential can emerge from non-interacting quantum systems. Our approach also reveals renormalization features, potentially softening high-energy divergences and suggesting that particles in superposition might introduce quantum corrections to gravitational time dilation.
Related papers
- Gravitational redshift via quantized linear gravity [44.99833362998488]
We employ linearized quantum gravity to show that gravitational redshift occurs as a purely quantum process.<n>Redshift occurs as predicted by general relativity but arises in flat spacetime in the absence of curvature.<n>Results can help improve our understanding of the quantum nature of gravity in the low energy and low curvature regime.
arXiv Detail & Related papers (2025-04-04T21:44:34Z) - Table-top nanodiamond interferometer enabling quantum gravity tests [34.82692226532414]
We present a feasibility study for a table-top nanodiamond-based interferometer.
By relying on quantum superpositions of steady massive objects our interferometer may allow exploiting just small-range electromagnetic fields.
arXiv Detail & Related papers (2024-05-31T17:20:59Z) - Relativistic Dips in Entangling Power of Gravity [0.0]
We show that quantum correlations can remain strongly suppressed for certain choices of parameters.
We find a pronounced cancellation point far from the Planck scale, where the system tends towards classicalization.
arXiv Detail & Related papers (2024-05-07T20:44:30Z) - Looking for Carroll particles in two time spacetime [55.2480439325792]
Carroll particles with a non-vanishing value of energy are described in the framework of two time physics.
We construct the quantum theory of such a particle using an unexpected correspondence between our parametrization and that obtained by Bars for the hydrogen atom in 1999.
arXiv Detail & Related papers (2023-10-29T15:51:41Z) - Finite Pulse-Time Effects in Long-Baseline Quantum Clock Interferometry [45.73541813564926]
We study the interplay of the quantum center-of-mass $-$ that can become delocalized $-$ together with the internal clock transitions.
We show at the example of a Gaussian laser beam that the proposed quantum-clock interferometers are stable against perturbations from varying optical fields.
arXiv Detail & Related papers (2023-09-25T18:00:03Z) - Time dilation of quantum clocks in a relativistic gravitational potential [0.0]
We find a time dilation effect for the clocks in agreement with the gravitational time dilation as obtained from the Schwarzschild solution in General Relativity.
The gravitational redshift, as emerging from our framework, is also proposed and discussed.
arXiv Detail & Related papers (2023-04-09T17:02:51Z) - Quantum entanglement of masses with non-local gravitational interaction [0.0]
We consider an energy-momentum tensor describing two test particles of equal mass with each possessing some non-zero momentum.
We find that the change in the gravitational energy due to the self-interaction terms is finite.
We study the quantum gravity induced entanglement of masses for two different scenarios.
arXiv Detail & Related papers (2023-03-30T18:14:28Z) - Universality of quantum time dilation [0.0]
We show that kinematic quantum time dilation is universal for any clock mechanism, while gravitational quantum time dilation is not.
We also show that although both of these effects reduce to incoherent averaging of different classical time dilation contributions, there exists an additional quantum time dilation effect that has no classical analog and can be extracted from higher-order corrections to the system's Hamiltonian.
arXiv Detail & Related papers (2022-11-04T12:59:00Z) - Quantum dynamics corresponding to chaotic BKL scenario [62.997667081978825]
Quantization smears the gravitational singularity avoiding its localization in the configuration space.
Results suggest that the generic singularity of general relativity can be avoided at quantum level.
arXiv Detail & Related papers (2022-04-24T13:32:45Z) - Quantum time dilation in a gravitational field [39.58317527488534]
We investigate how the superposition principle affects the gravitational time dilation observed by a simple clock.
We show that the emission rate of an atom prepared in a coherent superposition of separated wave packets in a gravitational field is different from the emission rate of an atom in a classical mixture of these packets.
arXiv Detail & Related papers (2022-04-22T10:02:21Z) - Bound on Quantum Fluctuations in Gravitational Waves from LIGO [0.0]
We derive some of the central equations governing quantum fluctuations in gravitational waves.
We make use of general relativity as a sensible effective quantum theory at large distances.
arXiv Detail & Related papers (2021-12-22T19:00:03Z) - Resolving the gravitational redshift within a millimeter atomic sample [94.94540201762686]
Einstein's theory of general relativity states that clocks at different gravitational potentials tick at different rates.
We measure a linear frequency gradient consistent with the gravitational redshift within a single millimeter scale sample of ultracold strontium.
arXiv Detail & Related papers (2021-09-24T23:58:35Z) - Spacetime effects on wavepackets of coherent light [24.587462517914865]
We introduce an operational way to distinguish between the overall shift in the pulse wavepacket and its genuine deformation after propagation.
We then apply our technique to quantum states of photons that are coherent in the frequency degree of freedom.
We find that the quantum coherence initially present can enhance the deformation induced by propagation in a curved background.
arXiv Detail & Related papers (2021-06-23T14:20:19Z) - Quantum interference in external gravitational fields beyond General
Relativity [0.0]
We study the phenomenon of quantum interference in the presence of external gravitational fields.
In the non-relativistic regime, it is possible to come across a gravitational counterpart of the Bohm-Aharonov effect.
On the other hand, beyond the Newtonian approximation, the relativistic nature of gravity plays a crucial role.
arXiv Detail & Related papers (2021-04-22T16:11:42Z) - On the Problem of Time(s) in Quantum Mechanics and Quantum Gravity:
recent integrating developments and outlook [0.0]
How to restore time is the Problem of Time(s)
It introduces an intrinsic time property tau associated with the mass of the system.
It invalidates Pauli's objection to the existence of a time operator.
arXiv Detail & Related papers (2021-04-20T17:51:05Z) - Unraveling the topology of dissipative quantum systems [58.720142291102135]
We discuss topology in dissipative quantum systems from the perspective of quantum trajectories.
We show for a broad family of translation-invariant collapse models that the set of dark state-inducing Hamiltonians imposes a nontrivial topological structure on the space of Hamiltonians.
arXiv Detail & Related papers (2020-07-12T11:26:02Z) - Zitterbewegung and Klein-tunneling phenomena for transient quantum waves [77.34726150561087]
We show that the Zitterbewegung effect manifests itself as a series of quantum beats of the particle density in the long-time limit.
We also find a time-domain where the particle density of the point source is governed by the propagation of a main wavefront.
The relative positions of these wavefronts are used to investigate the time-delay of quantum waves in the Klein-tunneling regime.
arXiv Detail & Related papers (2020-03-09T21:27:02Z) - Feynman Propagator for a System of Interacting Scalar Particles in the
Fokker Theory [62.997667081978825]
The functional integral on the generalized phase space is defined as the initial one in quantum theory.
The measure of integration in the generalized configuration space of world particle lines is determined.
A modification of the propagator is proposed, in which the role of independent time parameters is taken by the time coordinates of the particles in Minkowski space.
arXiv Detail & Related papers (2020-02-10T09:09:45Z) - Atom-interferometric test of the universality of gravitational redshift
and free fall [48.82541018696971]
Light-pulse atom interferometers constitute powerful quantum sensors for inertial forces.
We present a specific geometry which together with state transitions leads to a scheme that is sensitive to both violations of the universality of free fall and gravitational redshift.
arXiv Detail & Related papers (2020-01-27T13:35:30Z) - The Instability of a Quantum Superposition of Time Dilations [0.0]
We show that a superposition of gravitational potentials can lead to nonunitary time evolution.<n>A probe particle in a superposition of weak gravitational fields will, however, experience dephasing due to the different time dilations.<n>The corresponding instability timescale is accessible to experiments, and can be used as a degree of macroscopicity.
arXiv Detail & Related papers (2014-10-08T22:25:56Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.