# Quantum coherence, radiance, and resistance of gravitational systems

@article{Oniga2017QuantumCR, title={Quantum coherence, radiance, and resistance of gravitational systems}, author={Teodora Oniga and Charles H.-T. Wang}, journal={Physical Review D}, year={2017}, volume={96}, pages={084014} }

This work was supported by the Carnegie Trust for the Universities of Scotland (T.O.) and by the EPSRC GG-Top Project and the Cruickshank Trust (C.W.).

## 10 Citations

### Noise and decoherence induced by gravitons

- Physics, Geology
- 2020

We study quantum noise and decoherence induced by gravitons. We derive a Langevin equation of geodesic deviation in the presence of gravitons. The amplitude of noise correlations tells us that large…

### Immirzi parameter without Immirzi ambiguity : Conformal loop quantization of scalar-tensor gravity

- Education
- 2017

C.W. wishes to thank G. Immirzi and C. Rovelli for early discussions and brief correspondence respectively, and appreciates the EPSRC GG-Top Project and the Cruickshank Trust for financial support.…

### Loss of coherence of matter-wave interferometer from fluctuating graviton bath

- Physics
- 2020

In this paper we consider non-relativistic matter-wave interferometer coupled with a quantum graviton bath $\mathord{-}$ and discuss the loss of coherence in the matter sector due to the…

### Bremsstrahlung of Light through Spontaneous Emission of Gravitational Waves

- PhysicsSymmetry
- 2021

It is suggested that this new effect may be important for a combined astronomical source of intense gravity and high-frequency radiation such as X-ray binaries and that the proposed LISA mission may be potentially sensitive to the resulting sub-Hz stochastic gravitational waves.

### Gravitational dephasing in spontaneous emission of atomic ensembles in timed Dicke states

- Physics
- 2020

Here we discuss an effect of gravitational decoherence due to time dilation on the collective radiation dynamics of atomic system in timed single-photon Dicke states. We show that a photon absorbed…

### Cosmic Quantum Optical Probing of Quantum Gravity Through a Gravitational Lens

- Physics
- 2017

We consider the nonunitary quantum dynamics of neutral massless scalar particles used to model photons around a massive gravitational lens. The gravitational interaction between the lensing mass and…

### Quantum principle of sensing gravitational waves: From the zero-point fluctuations to the cosmological stochastic background of spacetime

- Physics
- 2017

We carry out a theoretical investigation on the collective dynamics of an ensemble of correlated atoms, subject to both vacuum fluctuations of spacetime and stochastic gravitational waves. A general…

### Neutrino signals of lightcone fluctuations resulting from fluctuating spacetime

- PhysicsPhysical Review D
- 2021

One of the most common expectations of a quantum theory of gravity is that space-time is uncertain or fluctuating at microscopic scales, making it a stochastic medium for particle propagation.…

### Unitary Representations of the Translational Group Acting as Local Diffeomorphisms of Space-Time

- Mathematics
- 2017

We continue to develop further a new mathematical approach to the quantisation of general field theories such as general relativity and modified gravity. Treating quantum fields as fibre bundles, we…

### Closing the gaps in quantum space and time: Conformally augmented gauge structure of gravitation

- PhysicsPhysical Review D
- 2018

C. W. wishes to thank C. J. Isham and J. W. York for encouragement in pursuing the conformal properties of (loop) quantum gravity. The referee’s constructive criticism has been very helpful in…

## References

SHOWING 1-10 OF 63 REFERENCES

### Spacetime foam induced collective bundling of intense fields

- Business
- 2016

This research is supported by the Carnegie Trust for the Universities of Scotland (TO) and by the EPSRC GG-Top Project and the Cruickshank Trust (CW).

### Radiation Reaction and Radiative Frequency Shifts

- Physics
- 1973

We investigate the question of quantum-electrodynamic radiative corrections to atomic transition frequencies. It is shown that the Heisenberg equations of motion allow a novel and fruitful…

### Effective field theory approach to gravitationally induced decoherence.

- PhysicsPhysical review letters
- 2013

It is shown that gravity as an environment induces the rapid decoherence of stationary matter superposition states when the energy differences in the superposition exceed the Planck energy scale.

### Vacuum fluctuations and radiation reaction in radiative processes of entangled states

- Physics
- 2015

We investigate radiative processes of inertial two-level atoms in an entangled state interacting with a quantum electromagnetic field. Our intention is to clarify and to analyze the contributions of…

### Decoherence induced by long wavelength gravitons

- Physics
- 2015

We discuss how a background bath of gravitons can induce decoherence of quantum systems. The mechanism is dephasing, the loss of phase coherence due to quantum geometry fluctuations caused by the…

### Quantum Gravity in Everyday Life: General Relativity as an Effective Field Theory

- PhysicsLiving reviews in relativity
- 2004

This article is meant as a summary and introduction to the ideas of effective field theory as applied to gravitational systems, ideas which provide the theoretical foundations for the modern use of…

### A Planck-scale limit on spacetime fuzziness and stochastic Lorentz invariance violation

- Physics
- 2015

Gamma-ray bursts can be used to test for the presence of spacetime foam—postulated in theories of quantum gravity. Quantum fluctuations would cause the photon speeds to vary, leading to ‘fuzziness’…

### On the gravitational radiation formula

- Physics
- 1980

For electromagnetically as well as gravitationally bound quantum mechanical many-body systems the coefficients of absorption and induced emission of gravitational radiation are calculated in the…

### Observation of quantum motion of a nanomechanical resonator.

- PhysicsPhysical review letters
- 2012

Asymmetry in the sideband amplitudes provides a direct measure of the displacement noise power associated with quantum zero-point fluctuations of the nanomechanical resonator, and allows for an intrinsic calibration of the phonon occupation number.

### Quantum gravitational decoherence of light and matter

- Physics
- 2016

Real world quantum systems are open to perpetual influence from the wider environment. Quantum gravitational fluctuations provide a most fundamental source of the environmental influence through…